350 tbi fuel pump. Your TBI engine obviously cannot run without a computer.
350 tbi fuel pump Finally installing the vortec. Browse Categories Answer Questions Sounds like the fuel pump is going bad(or in this case,has gone bad). 3L Gen IV (0 350 tbi to 350 carb swap. 7L - 7. Normally, if the fuel pump starts it will continue to run. I have a pump, but it is very noisy and only gives me 11psi. How are you Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If it's an automatic, you'll need a tps for the 4L60e trans, and maybe a 350 5. '69 FJ40 with very few stock parts. -Truck ran great 3 days ago. 7L V6 4. Looking for a drop in performance fuel pump for a 93 GMC Sierra. For 5. Search Videos In-Tank Fuel Pump, GM. The casting is there for the mounting plate and has a block off plate, but the hole inside is not opened up to the diameter of the pushrod. X. 5l fuel system the main question is volume You will need a pump, a fuel pump pushrod, and a mounting plate, as well as gaskets and bolts. Moreover, the fuel pumps have a limited lifetime. Is there an inline fuel pump that will produce the correct fuel pressure for the injectors (9-15psi) that Currently putting a 1993 350 TBI into my 1980 CJ-7. ASE certified tech ADVANCED LEVEL SPECIALIST. 4L 454 engines. I said a 4. A 454 TBI injector also fits a 350TBI throttle body. I. Has anyone fitted a TBI side-frame tank to a square body? If so, how does it fit? I am going to change the fuel filter and plug the egr valve. . Also, if using the stock TBI, then you'll need both lines (steel braided) that attach to the rear, properly rated fuel pump, and a fuel filter rated for the TBI unit (micron size). DONE. I am replacing my 1994 reg cab shortbox stock 350 tbi fuel pump ,what brand is the most 3. Features: Includes harness leads, mounting hardware and new isolation grommets 4 to 7 psi low pressure fuel pump 72 GPH at 5. My question is on fuel tanks. Fuel fuse and relay good, fuel pump is running. Because of fuel issues that arose in Moab several years agoI removed the stock YJ fuel pump out of the tank and put an inline pump outside of the tank to supply my, now previous, carburetor. There are a couple of considerations, but consider "the plan" for now. TBI Injector Show more Show less 1 - 18 of 18 results for Buy Electric Fuel Pump, Replacement for Chevrolet Chevy GMC C/K 1500 2500 3500 1988 1989 1990 1991 1992 1993 1994 1995 V8 7. BTW the pump is most likely origional. 3L/5. I currently have found out that the injectors I have upgraded to in my 89 Camaro are not the correct flow rate that is recommended for the upgrade from Fuel pump rated for the TBI you have. So yes, I consider it an upgrade to go from Vortec to TBI. so i can check the Hey gang -- I put a SBC 350 into my 1993 YJ several years ago, and just recently swapped in a TBI system to replace the carb I had. 1987 454 TBI stalls Fuel pump working, check. I still have some things to check to make sure, but that is where the facts are pointing. You are invited to join our Just for reference my 350 came out of a '96 1-Ton van. At minimum I need to move it about 5 miles, but ideally about 75 miles. The fuel pumps that are in the full size pickups aren't really large enough to supply enough fuel to the 305/350 engines. Anthony. It's rated for something like 60-70 psi, and it works great. The L30/31 Vortec roller cam with fuel pump lobe is GM part number 14097395. (stock TBI pressure is 9 to 13 PSI TBI 350 needs prime to start 1 2 Floating Doc GRM+ Memberand SuperDork 11/29/19 10:03 p. AMEDEE. Go. For about $3, I buy brass adapter fittings (in bulk) to Who makes the best fuel pump for our fuel injected trucks? I'd like to get the best one possible so I never have to worry about it. -When I turn the key to run, the pump primes, and I get about 12 PSI of fuel pressure. and a mr gaskets AFR to drop the fuel presure down to 5 to stock GM rocker arms, Summit stage-1 intake + trans-dapt center mount TBI adapter UNPORTED stock 42mm 450cfm GM 5. GM Part number: 52365517. Fuel pump is less costly and lasts longer. 4L 5. 7 Indmar 350 TBI Fuel Pump I've I used a pump that I bought off ebay that is a replacement for Ford trucks. Inline pump? In-tank pump? Not sure which way to go. In 1996 production switched to the Mark VI, which does again have Ihave fuel to the tbi. Just get a return style regulator. 5 shorty headers, flowmaster collector, magnaflow 3″ hi flow cat, and flowmaster super44 muffler. Thats a fairly common problem on TBI engines. was dead and we did a port head repair for an intake valve that was warpedprobably from a previous overhead issue. When the ignition timing is off, the air-fuel mixture doesn’t burn optimally, leading to increased fuel consumption and lower miles per gallon. YJ on custom frame 350 sm465 twin stick Dana 300, 35 Spline 60's f/r, arbs f/r, hydro, on 42" IROKS Gottgofast is right, just about any fuel injection pump will work. Re: Indmar 350 Fuel Injection Problem trace the fuel system, find out why you dont have fuel. 3L/305/350/454 TBI (2) $119. Agreed as well. If you want I have a 92 C1500 350 TBI 5 speed, and the engine is getting a little tired. Jul 13, 2020 #15 J. In 1996 comes the Vortec engines with multipoint injection, however there was an industrial/marine engine that has a cam that supports a standard fuel pump and obviously does not use fuel injection. I see no advantage in the Vortec 350 over the TBI 350 other than higher horsepower numbers that's only usable way up in the rpm band. at idle before the repair. A Walbro inline pump is what I'm running currently but carry a pump from a Fox body mustang. 96. January 24, 2019 Engine Videos, Video. I can also install if you're looking to run throttle body injection with a mechanical fuel pump, i wouldn't bet on that working. Drove 60 miles. Deep Tank, Each TBI Series Fuel Pump Flow Chart Accessories Walbro 5CA-401 Fuel Pump Shown with 94-696 plug adaptor 122-332 Insulating Sleeve Only $79. the tbi setup is such a poorly designed efi system I wouldn't worry about fine tuning the thing. Any other ideas. Measured 6. As for the original 2. 0 Ford into an old pickup and had great luck in finding and adapting an in-line fuel pump that can handle Installing a larger fuel pump will not affect the fuel pressure of your current setup since the pressure is modulated by the fuel pressure regulator, not the pump. 1991 K3500 with a Tbi 350 and 4l80e Idles fine, will revs up no problem, in park when I take it out on the road, it won fuel pump, fuel filter, distributor (whole thing, so module, pickup, cap and rotor are new) also has new ignition coil, acdelco plugs, plug I just removed the cam from my '90 350 tbi engine and it does have the fuel pump drive lobe on it. But, he doesnt have a fuel tank to use. The YJ has an internal TBI fuel pump, works great. No fuel pump mount cast into the block. The tank, pump and sender in my '92 C1500 350 TBI Burb are all garbage and I need a temp solution to move the vehicle. R. 08 PSI. If this doesn't kick off your fuel pump then move on the replace the fuel pump ECM, This is the electronic control module or Fuel pump relay located on the left wall Ihave fuel to the tbi. Twin 350 Mercruiser TBI troubleshooting, new fuel pump fixed pressure but trash is suspected in injectors,, well get to that next. NOTE: THE OPS only allows for the starting of the fuel pump in the first 2 or 3 seconds of the ignition process. You may need to go to an AC Delco EP381 Vortec pump (~60PSI) - 155LPH, about twice as much as the OE EP386 (~15PSI) - 75LPH . If anyone has any other pumps or solid spec information post it up. After running around 50 miles or so around town one day (running Update! I found the fuel pump ground disconnected. Check Engine Light Normal TBI 350 (NOT T. MarineEngine. I took it out for a ride that night with no problems. The majority of them do not have a fuel pump push rod hole. replaced fuel pump, filter rebuilt. 3 throttle body. Before this I had a pump that was supposed to be for a TBI, and I had the same kind of fuel-starvation problems at WOT you mention. X xnoahx 1/2 ton status Joined Oct 12, 2000 Posts 817 Reaction score 0 Location The fuel pump is controlled by the oil pressure switch. Leaving tbi ecu and the fuel pump relay switched through the oil pressure switch, just add regulator. When the truck is running it sometimes dies, and if we jumper from the Find CHEVROLET 5. HeLP. 11 So you replaced the fuel pump? Did you measure the line pressure before hand? Also, the fuel filter was replaced less than 20k miles ago along with one of the fuel pumps and i don't buy the absolute cheapest crap I’m having fuel problems with my mom’s K5 Blazer with a 350 TBI and automatic trans. I've already chased all of the normal stuff (plugs, wires, cap/rotor, timing, TPS, fuel filter, etc. 7l efi gm 350 v-8 1999-2001 fuel pump and fuel cooler parts. joep123 Newbie. You won't be able to run the truck too hard for too long because you'll trash the transmission if the new engine is very stout in the power department. mbmoehl; Oct 30, 2024; Feedback, Help and Suggestions; 2 3. if your fuel injected, you Need some recommendations for a quiet and reliable frame-mounted electric fuel pump. Send Private Topic View Profile. 7L 350 and 7. Do I have to locate an electric fuel pump Get on the summit web site, look at external fuel pumps, I'm sure they likely have a walbro pump that works on a 5. I would not get caught up on all the first gen or 2nd generations references. Fuel pump will not operate on the 8V it’s seeing from the factory Their answer is bullshit. This is an 89 350 tbi. Replies 58 Views 6K. Thread starter joep123; I'm not sure you can get 18 PSi out of a TBI fuel pump. 5mm) Hose I have a 1987 with the TBI 350 in it and am having some idel fluctation, right after start up, and ramdom stalling after about 30 minutes of driving. Could I swap in a vortec pump or a walbro 255 and it run ok with the stock TBI Find Parts and Accessories tbi fuel pump KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Fuel Pumps, In-Tank, Retrofit Module, Electric, Return Style, Dual 450 lph, 60 psi, 12V, -8 AN Female, Both Ends, for 7-12 in. Your TBI engine obviously cannot run without a computer. Search Fixya. 99 Retail Price: $239. If the fuel I am in the early stages of upgrading my 87 from the stock TBI 350 to a EFI ZZ6 350. Re: In tank or in line fuel pump 350 tbi /CJ7 Lots of questions about pumps lately. They normally leave you stranded by dying at your There's lots of info on here scattered across dozens of threads about the External Fuel Pumps for '96-2002 TBI engines, I haven't pulled it, but it appears to look much like the one below, described as: GM 5. No issue. If the build is going to necessitate a vacuum adjustable fuel psi reg due to the injectors pulse width requirements I advocate a different efi system or convert to carb. I want to convert to an updated TBI tank with baffles and in tank pump. You can pull the cover of the 350 fuel pump provision and use something like a longer 1/4 ratchet extension to slide up the fuel pump rod hole. 3. You'll need an intake with the center bolt holes at the 87+ angle, or you'll have to elongate the holes. Powered by the PCM and ignition, it serves as the main energy source for a car’s fuel pump, sending battery voltage to and fro to I got a 350 out of a TBI, it has the hole for the fuel pump rod, my question is, does it have the lobe on the cam gear to move the fuel pump rod? Or do I need to pull the timing cover and put one on? It is sitting on the ground right now, so I haven't looked into the hole to see yet. 1,194 Satisfied Customers. He did NOT read your post. I suggest that you change the fuel pump and use a fuel cleaner in your gas tank Post: TBI 350 Hard to start when hot (Topic#341176) Shopdog Forum Newbie Posts: 5 Reg: 12-11-16. So far I've turned up Master E2182 and Master E8094. Number 3 cyn. Check the fuel pressure to I didn't say anything about a 7. I think youve figured out why it doesnt run right(low fuel pressure), now you need to figure out why pressure is so low. 4 TBI fuel pump was about 35 psi. 7L/350 Fuel Pumps and get Free Shipping on Orders Over $109 at Summit Racing! Shop the CLEARANCE SALE! Fuel Pumps, Electric, In-Tank, EFI, OEM-Style, 58 psi, 255 lph, Gasoline, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit. My fuel pressure Incorrect timing in a 350 TBI engine impacts fuel efficiency negatively. or port injected) should be around 13-16 psi (unregulated) Most TBI's won't start under 10 psi and you'll bypass more fuel than necessary if your pump runs over 16-18 psi. Either use the base 260 HP Goodwrench 350 The Customer: 1993 GMC C1500 2Wd 350 TBI has an intermittent fuel delivery problem. My block had the block off plate too. The fuel pump did end up helping alot. There is one thing left to check OEM electric fuel pump fits many Crusader carbureted & MPI marine engines. mobbed_obs91; Jun 14, 2024; LSX + Carb Swaps; Replies 2 Views 442. Pressure Rating (psi): 29 To 85 Get the Best Performance with JET Performance TBI Fuel Pressure Regulator Kit 1987-1995 C/K Truck/SUV 4. I plan down the road to do a 5. replaced fuel pump, filter rebuilt Anthony Expert 1,194 Satisfied Customers I have a 1990 350 tbi and it has fuel and spark but it just cranks and won’t start, I have replaced the ignition coil AMEDEE ASE certified tech ADVANCED LEVEL Solution: The Chevy 350 TBI doesn’t have a fuel pressure test port. Jim . he was wondering if it would be acceptable to run an inline fuel pump using 1994 Chevy p/u, 350cid, TBI I never really got this truck running quite as well as I suspect it should. 9 fuel filter hooked in at the fuel filter connection as that has a 5/16 hose barb on one side. Many of Hey fellas - Got a no start condition on my '94 TBI 350. Engine is a carbureted 350 with around 350 flywheel hp, so only 4-5 psi is needed. If it dies the oil sender or its wiring is bad or the engine lacks oil pressure. We've dropped the tank and replaced the fuel pump, fuel filter, fuel pump relay, and oil pressure sender. 0L/5. TBI Injector Show more Show less 1 - 24 of 4598 results for Fuel Precision Fuel Pumps Fuel Sending Unit/Assembly - A27040. When the fuel pressure drops below this range, replace the fuel pump or fuel filter to avoid engine damage. Adjustable Fuel Pressure Regulator 1987-95 GM Truck 4. 2 injectors instead of 8 6. The E2182's spec sheet in the catalog lists it as an in-tank I am looking for a quiet external pump that is reliable for my SBC 350 that I have converted to TBI. Check Engine Light What else? I am guessing speed sensor, but the original Speed Sensor in the NP208 has Find CHEVROLET 5. and the 96-up blocks all had roller cams and no mech fuel pump at all 87-95 (TBI or swirl The fuel pump is controlled by the oil pressure switch. So, you need to test it with fittings to tee in the pressure gauge. important_devices: Order online, get free downloads* important_devices: Order online, get free 88 up L98 trans ams and Z28s have a roller block 350, but no provision for the mechanical fuel pump pushrod. Tommy1234. I have a 1987 chevy R20 with the 350 TBI and dual tanks, the right tank fuel pump was bad, I ordered a new one and installed, drove the truck and during hard acceleration it seams as though it is not getting enough fuel, when I swap The pump relay is critical in transferring enough fuel to the combustion center. $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: 2025. Hooked up a fuel pressure gauge and was right around 10lbs but i So I just replaced my fuel pump on my 95 190 and it had the double inlet at the bottom, which the link you included seems to have, and I had to plug a hole when using a new Carter pump from Summit. The gauge hasn't worked properly The GM TBI fuel pump relay works by receiving a signal from the engine control module (ECM) or a fuel pump control module (FPCM) to activate the fuel pump. We already changed out the heads and intake, and put a 700r4 behind it, now he's fooling with the harness. 00 5CA-401 Description: Genuine Walbro TBI In-Tank Fuel Pumps - 109 Liters per Hour Hi gang, Been chasing down a crank-no-fire situation on my 1990 burb (350 stock TBI). F. Is AC Delco still good? I've tried to always go with ac delco in the past until someone told me that a few 350 TBI, TH400, NP208, Factory Locker 4. ALDL connections (original ALDL connector is still in place in the Blazer) Diag and serial wires (2 total) 5. HEI, carb, intake This is who I would be getting the Chip/Fuel Pump/Spring from althought I would change the spring out for an A. Hunter_Michael; May 6, 2024; TBI & EFI Conversions; 2 3 4. Information on pumps is from Delphi specifications AC/Delco EP386, 83 kpa = 12. 10-4 on the low end of PSI- have you seen better results with a new fuel pump or maybe an aftermartke fuel pressure regulator? 42 went away after new ACDELC ICM. Need suggestions on fuel pumps. Have been left with battery totally disconnected over night and hooked back up and still did not start. Olegmbuilder. It seems like a lot of people use the E-2000 or E2182 from auto zone, I was just wondering about the pressure, the e2000 has 70-95 the 2182 90-100, would this not be to high for the TBI setup, i am pretty sure that needs 15psi or so, or will the tbi's regulator take Fuel System. Just get a new lock ring and o-ring for a easy peasy swap. O. We start 4. The issue - it has a fuel delivery problem and the previous owner was fairly certain that it For those of you who may have installed a Chevy 350 ci TBI in their YJ, could you recommend a fuel pump. Tbi ecu will prime the pump, Word to the wise - do not use the 350/290 hp engine I’d your replace your TBI. O. I recommend upgrading to the 1996 Vortec 155lph fuel pump which can support up to 450hp Looking for an external fuel pump for a GM TBI system. There may not be a pump Whenever I install a fuel pump on a GM tbi vehicle I install an ep381 ‘vortec’ fuel pump. S. I converted a 88 camaro from TBI to carb and did this. extend a couple wires and get a ($50. 7 TBI Fuel Pressure Issues. The filter screens in the fuel tank can gradually get gummed up. xnoahx 1/2 ton status. Got the edlebrock 2116 intake for vortec heads finally installed. 00) 350 ECU. The first thing I did was check the spark and we had none 12-14-12 09:58 PM - Post# 2298103 I'm looking for a 350 for my Suburban. P. This is 30 bucks and takes like ten minutes to replace yourself. pressure, ?? Fuel getting to the injectors NOPE. Wisconsin certified emissions state inspector Upgraded Vortec cylinder heads, a more aggressive camshaft, and reprogramming TBI chip to make 300 horsepower or more with a GM Chevy 305, 350, and 454 engine with factory TBI injection. Fuel pump relay signal wire? Slade88; Nov 29, 2024; LSX + Carb Swaps; Replies 1 94' tbi 350 no spark/ no fuel. 87' R10 TBI 350 shuts off when driving. if the tbi is coming out and you have a 700r4 the swap is vary easy. I figured if it would feed a 460 at 40 plus PSI, it would keep my 350 pretty well fed at around 20 PSI. 4L GM 350 454 High Pressure Fuel Pump With Return 52365517; Manufacturer: Marine Power. 5/2. The issue - it has a fuel delivery problem and the previous owner was fairly certain that it needed a fuel pump and I wasnt surprised cuz ive had to do that with past 90s gm trucks. first, the stock mech pump only puts out about half the psi that the tbi Is there an inline fuel pump that will produce the correct fuel pressure for the injectors (9-15psi) that I can just rig directly to the battery? I can figure out switching, lines, The original pump from napa ect. Dat tru? If so, what kind (year Thread: 5. hook up a hot wire to the dizzy and the white to the tach. I read an article on Holley’s website about upgrading to EFI tanks, in this article it shows standard high pressure fuel lines, so I ran with what I saw MerCruiser 5. You can adjust the fuel pressure by changing the spring in the regulator. it ran great. pump only runs if I jump the grey wire from the battery but still doesnt shoot nothing out of the TBI (But did 2 days ago and plenty of gas was flowing when it ran with the jumped pump) before I could figure out what the original problem was --which is no power to the fuel pump relay ,,now I have that and no fuel out of the TBI even though 1995 gm tbi fuel pressure test with OTC's 4480 fuel pressure kit. Save Share My preference is low pressure TBI pumps (15 Fuel Pumps and Filters / 5. 4 throttle body. is cheap and easy to install. 75 Chevy K30 Crew Cab, 6",37's,8274,XRC8 02 Dodge 3500 Quad cab, Cummins, NV5600, D80 Save Share Better Fuel Efficiency: With the advanced technology of the Tuned Port Injection (TBI) system, the 350 TBI engine optimizes fuel delivery, leading to better fuel economy. i use a 30 or 50 psi pressure gauge a hose barb. 7l alpha efi (tbi) gm 350 v-8 1995 fuel pump and fuel filter parts. Shop for the best Fuel Pump for your 1993 Chevrolet C1500 Pickup RWD, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. I have adapted internal tank NAPA GM A non-hamber friend bought a 90something Chevy pickup so he can use the drivetrain in a project. Reattached to frame rail, and still nothing. Jun 18, 2024. 7lx efi (4 bbl. Buy a genuine Mercury Quicksilver or aftermarket part. Max pump pressure means very little, but the flow I just recently purchased a 1990 Chevy 2500 single cab long bed with the 350 tbi that has been D. injector spacer, salad bowl/hypercharger, wide open spacer, 350 injectors with the pressure increased, TBI chip and TPI fuel pump, Long tube headers, 2. If you click them and make a purchase, we may earn a small commission. TBI 350 Swap to ZZ4 350 help. My brother has been driving the Blazer and said it has been starting really rough. I believe all 88-94 350 TBI's require 9-13psi fuel pressure (someone please correct me if this is not the case) so be sure to check fuel pressure. Expert. Custom chip/fuel pump/spring kit from Brian @TBIchips. Also, I think i will leave the electronic fuel pump and just put in a pressure regulator (give that I have no idea if cam has love for mech fuel pump) The TBI fuel line is a 5/16" pressure line in and a 1/4" return line out, just use th pressure line to feed the regulator and run the return from the fuel pump (original 350 TBI fuel pump is still in the tank and is the same as the 454 TBI fuel pump according to part numbers) 4. Today(2 days later) I went to crank it and I could no hear the pump. 5" pipe with an x pipe high flow cats, and magnaflow mufflers, and a 3 The 638 TBI block does have the fuel pump provision. get rid of the in tank fuel pump, replace with draw straw and hook up mechanical fuel pump. I'm pretty sure, that in the past I've seen where some of the TBI motors are mechanical fuel pump compatable. Nov 15, 2024. ). Reliability: Crate engines are built with quality in mind, providing a reliable alternative to remanufactured engines that may come with an uncertain history. I did this swap in my 88 Stepside, and it's pretty straight forward. remember, the TBI should be running 12-18 psi with your stock program- just slightly higher than stock with vacuum applied to the regulator- with no vacuum applied, the pressure will be up to 50% higher under load increasing the fuel at the injestors I have a 350 in an '88 that I want to pull. I could be wrong but Hey all, Working on a 1989 TBI Suburban that the fuel pump is only getting 8V. 5mm) Hose; For use with gasoline and diesel fuel; Volts: 12; Brand: Crusader Marine: MerCruiser 5. Prevously the injectors were working, a nice cone of fuel. This weekend I replaced the fuel pump and the sending unit. 3 swap. Short of pulling the TBI off and rebuilding, what can I do to fix it? Rustic Green '70 FJ40 - SBC 350, TBI, 700R4, Stock TC, 8274, 4" Lift, 35" KM2's, Bilstein 5125s, I'm in the planning stages of a vortec 350 (L31-R) with tbi swap into my 5 and I am trying to get my parts list complete as I can. The fuel circulates from tank to TBI back to tank. just unhook all the sensor on the motor,iac,tps,injetors,map,dizzy,and put them all aside. Izmrpickel Registered Member. From 1990 to about 95-96, those are Mark V engines. I have a 1990 350 tbi and it has fuel and spark but it just cranks and won’t start, I have replaced the ignition coil. Joined Dec 11, 2016 Posts 11 Reaction score 1. 75 PSI ; Size: 1/4" NPSF for 3/8" (9. Roughly 500hp Asked by: PlayRich. The engine is fuel injected; therefore it has no mechanical fuel pump. I do believe my fuel in my 1991 has gone out. Here is my question. 7 Indmar 350 TBI Fuel Pump Thread Tools Show Printable Version 03-21-2017, 02:01 PM #1 Zkdk3000 View Profile View Forum Posts Private Message Member Join Date Mar 2017 Location Louisville, KY Posts 32 5. Swapped the tbi 350 for roller carb 350 moderate build 125 wet shot. Here is what fixed it. You can pull the cover of the 350 fuel pump provision and use something like a longer 1/4 ratchet extension to slide up the fuel pump rod I am switching my truck over to TBI (383 ci sb chevy) and was looking around to find what fuel pump to use. 4L 350 454 High Pressure Fuel Pump With Re: In tank or in line fuel pump 350 tbi /CJ7 Lots of questions about pumps lately. 7 TBI engine will use a pump rated for a certain pressure For trucks the last cams with a fuel pump lobe was 1986, 87 started TBI and swirl port heads. User Info. Fuel System; TRE 300 & 340 LPH Fuel Pumps; TRE 265 LPH Compact Fuel Pumps; TRE 255 LPH Fuel Pumps; TRE Short/Pico Fuel Injectors; TRE Bosch Thin Body Style Fuel Injectors; TRE Bosch Wide Body Style Injectors; TRE Denso / Honda Style Fuel Injectors; TRE OEM Replacement Fuel Pumps; A&A Corvette Fuel System Components; Accufab Fuel I have a 78 K15 with a 350 that my son and I are in the process of converting to TBI. Replies 27 Views 1K. Long crank before firing is usually a weak or failing fuel pump. Find CHEVROLET 5. If the fuel pump is not running check the wire and connections to the pump. 4L 61510 parts at JEGS. Any thoughts would be The 350 TBI fuel system is composed of several vital parts that ensure the engine runs smoothly. 7 TBI. Some engines were headed for industrial and marine these used the basic short block but different heads and a cam that supports a conventional fuel pump. fuel pump (original 350 TBI fuel pump is still in the tank and is the same as the 454 TBI fuel pump according to part numbers) 4. Joined I have used I have had 3 fuel pumps go bad. It I have never seen a stock TBI cam without a fuel pump eccentric, but I have heard of people finding some without them. Sometimes he has to crank it over 8-10 times before it will start. Mar 7, 2024 #4 G. 0 Ford into an old pickup and had great luck in finding and adapting an in-line fuel pump that can handle the high psi demands of the I have a 1987 Chevy Pickup, 350 TBI. It has the same fuel pressure and flow capacity as the E2000, but with a 5/16" barb fitting on the outlet and a 1/2" barb fitting on the inlet, and costs $5 less. The fuel pump , located inside the fuel tank, pushes gas through the fuel lines to the fuel injectors . check for 12v at the fuel pump relay on the passenger side firewall (orange wire) with key on. 7 throttle body. The OP’s procedures and explanations are suitable for most Mechanics with even a basic set of repair skills and that require no exotic tools to accomplish: TBI - Flow rate for TBI injectors - I couldn't find a thread directly addressing flow rate and what issues it can cause if you have the incorrect flow rate injectors. I updated with a post in the Fuel Pump 101 thread on TT. Since TBI's are a pain to check fuel pressure without some kind of special tool. I have a sheet going that has my options in my sig line. Part Number: SNE-12 I'm working with a chip burner on my son's pickup, and his first suggestion was to replace the stock TBI pump with one for a vortec 350 powered later model. If that is faulty the pump won't run but it should prime for a few seconds when the key is first turned on. It goes through its rich lean cycles now according to the scan tool though I do still have Timing is good, everything else seems ok. It had TBI with '193 heads and a flat tappet cam. Go (800) 209-9624 M-F 9-5 ET (800) 209-9624 M-F 9-5 ET important_devices Order online, get free downloads* Menu Re: Only 7psi fuel pressure; 89 350 TBI, pump? 08-13-05 08:21 AM - Post# 759286 In response to Thanks for the response. I see lots of em that are TBI motors. Replaced the hose, problem solved. Limited Lifetime Warranty. I am hoping that this motor has roller lifters & a one piece rear main seal. SAVE up to 70% off on parts for your Indmar 350 84-21 with HFP-706 350 TBI to Carb Swap -- Help Needed. T inspected until 2018 in MN. A new set of gas tank straps and hardware would prolly Chevy TBI's work fine with high pressure pumps, and will return un-used fuel to the tank, but you do have to set the pressure. Designed to supply adequate pressure and volume of fuel for TBI systems up to 350 BHP. After warms up it either dies or will not restart after shut down. How-to Diagnose KTM, HQV Fuel Pump. TBI Chevy 350's have more low rpm torque for better pulling. 25 Hey guys, my dad is in the process of swapping his 86 from carb to tbi. I know it doesn’t sound like a lot, but most people There is a good chance that your Chevy 350 TBI is bogging due to a lack of fuel. With that being said. What is involved in modifying my current after market (22 gal) tank to accept the in-tank I just recently purchased a 1990 Chevy 2500 single cab long bed with the 350 tbi that has been D. gmbellew Chevy 350 TBI out of a 92 Chevy 1500 pickup (was a crate motor) Driving last week, and it stalled and can't get it started noticed coil wire disconnected from distributor, plugged back in, truck turns over, just won't start First checked to see if I was getting fuel, pump kicks on and fills the bowl Just bought a 1996 Mastercraft with a Indmar GM 350 EFI motor. Erik the Awful. Do you still use a stock fuel pump? Its recommended to upgrade to a vortec pump when you replace a TBI engine you can use your intake pump with a regualtor if you want. My 88 Silverado 350 with about 400k miles wouldn't start without priming the throttle body. I can also install a pressure regulator if the pump puts out too much pressure. all three would idle fine but when you touched the When you replaced the fuel pump, fuel pump fuse, checked the wiring. Summit 1. pre. Some of them have a partial hole and I can drill and ream them to size just fine. I checked MerCruiser 350 mag efi ski (tbi) gm 350 v-8 1994-1996 fuel pump and fuel filter parts. He states that the stock TBI pump will only reliably support about 180 hp before it starts losing pressure, and that the stock vortec pump will support 340-375hp at 18 psi. We found a 1991 Chevy donor truck and have begun stripping everything we need. Edelbrock 15782 - E-Force Supercharger Supplemental Fuel Pump Kit 2007-2009 GM 1500 Trucks 4. These injectors then spray the fuel into the intake manifold MerCruiser 5. It seems like a lot of people use the E-2000 or E2182 from auto zone, I was just wondering about the pressure, the e2000 has 70-95 the 2182 90-100, would this not be to high for the TBI setup, i am pretty sure that needs 15psi or so, or will the tbi's regulator take Regarding the oil pressure switch, you can simply bypass (jumper wire) the one pressure switch that controls the fuel pump, and so determine if it's part of the problem or not. A 5. Save Share Reply Quote Like. They run two pumps, one in the tank, one outside. Related Weight 2 Hello. 0L 5. Jun 15, 2024. $191. Yea its been years. In about 10 minutes we diagnosed a faulty pump without guesswork. Specs for GM TBI is 11 PSI. I am going to change the fuel filter and plug the egr valve. Part #: A27040 Line: PFP. Now, if the fuel pressure specification is in the range of 9 to 13 PSI, both your fuel pump and regulator are working fine. Link to actual testerhttp I have a 1987 with the TBI 350 in it and am having some idel fluctation, right after start up, and ramdom stalling after about 30 minutes of driving. Should be plenty. all you need to get is a throttle linkage/tv bracket to hookup your tv cable and throttle linkage . Features: Includes harness leads, mounting hardware and new isolation grommets; 4 to 7 psi low pressure fuel pump; 72 GPH at 5. When the relay receives this signal, it closes an internal switch that allows power to flow from the battery to the fuel pump, causing it to activate and deliver fuel. I also have a '97 L30 Use the electric pump if you already have it. BUT why dont you just keep your 350 TBI, its not hard to do. 99. You'll know visually by how far it goes in if it's drilled all the way. Old XJ Discussion starter 1197 posts · Joined 2007 FREE 2-DAY SHIPPING, EASY INSTALL from the AUTHORITY on OEM replacement Fuel Pumps. 7L/350 Fuel Pump Pushrods and get Free Shipping on Orders Over $109 at Summit Racing! FINAL DAY! $20 Off $250 $40 Off $500 / $80 Off $1,000 - Use Promo Code: GETREADY Vehicle/Engine Search Vehicle/Engine Search Make/Model Search I'm running a NAPA universal-inline TPI-style pump on my TBI 4. Always check Chevy 350 TBI fuel pressure Electric, in-line fuel pump for TBI applications. Yes, this pump will work for your application, it is rated at 45 psi Temp inline fuel pump for 350 tbi. I have changed the MAP sensor, Ignition module after it threw a code 32 and 42. The motor is TPI with an electric fuel pump in the tank, so I am wondering how do I get the gas to the carb. Applicable for installation in vehicles without existing in-tank fuel pumps. I'm mulling over ideas for a replacement. I am switching from a TPI 350 to a TBI 350 and need to know if I need to get a different fuel pump or will the fuel pump that is already in there for the TPI will work for the new TBI system. The Sign. Negative Ground: No. You'll have to That fuel pump has a very high pressure for a TBI system- The factory 94-95 7. Initially, I thought it was out of gas. 7L/7. I'd like to do it right the first time. If you are using a stock GM TBI, then I believe the fuel pressure regulator is built into the throttle body. Fuel gettng to the TBI, check. Module has 0 effect of the fuel pump. history of the injectors I would verify they are at least for the stock TBI 350 and not from a 305. I've also take a look into a member of a few forums who has a Van with a TBI 350 who has since changed to TPI but had impressive #'s from All the fuel pumps in the world wont fix a broken fuel pressure regulator spring. I have a 1990 350 tbi that runs great cold. You are invited to join our The recommended fuel pressure for the Chevy 350 TBI is 9 to 13 psi. m. After the install the truck ran great. realiability and have upgraded to in my 89 Camaro are not the correct flow rate that is recommended for the upgrade from 305 tbi to 350 tbi. 7L with TBI having a “Cranks-→ But No Start” situation that focuses on diagnosing electrical problems covering the failure of the Fuel Pump Relay. First I start with a new Fuel pump, STOCK 75lph TBI fuel pump will only support about 230hp before the fuel pressure drops like a rock. All had high mileage(one of our trucks has over 400k on factory motor!). if you dont have 12v at the relay, 1987 TBI fuel pump issue Jiblackledge Sep 6, 2024 TBI & EFI Conversions Replies 14 Views 1K Sep 22, 2024 Jiblackledge J JT58 350 TBI fuel issue I,ve had to replace TB base gasket on those trucks, idle was erratic also 327/350hp As far as fuel pump goes, at first I thought it was too but even if it was slowly dying the motor should still be able to idle, which it's not. Engine was running fine, a little shake from the dead cyn. In 1996 87 tbi 350 transplant, no spark, no voltage to fuel pump « on: September 27, 2016, 09:10:04 PM » My 76 k20 has been on the road for a couple weeks getting a shakedown following being the recipient of an 87 tbi 350 and wiring harness, conversion from I do a lot of TBI and Vortec small block chevys so I can offer my customers a low budget roller camshaft engine. The return style fuel system these trucks have almost never has an issue with vapor lock. 92 chevy tbi 350 surge problem tried all sensors,fuel regulator,distributer,computer, scan tool-no codes,any ideas? - GMC 1998 Sierra question. A friend of mine has a Carter which has always been noisy and starting to get noisier, which is a little scary. Post: Mechanical fuel pump on tbi 350? (Topic#329781) fly201 Forum Newbie Posts: 5 Loc: Wisconsin Reg: 10-23-15 User Info Send Private Topic View Profile 10-23-15 09:48 AM - Post# 2584298 I have a 1988 350 this engine that I have changed to a My I am looking for a quiet external pump that is reliable for my SBC 350 that I have converted to TBI. No issues with overheating either. Examine the fuel system, including the fuel filter, fuel pump, and injectors, for any issues. Okay, today I replaced the fuel pump relay and pressure regulator since they were easy to get to and relatively cheap. It's a 2 bolt main '880 block fully machined for a roller cam and mechanical fuel pump and it had the windage tray and oil cooler package. 8L 5. pulled the sending unit and found the hose that connects the fuel pump to the feed going to the TBI had a split in the hose. -After it's done priming it drops to about 8 psi, then 02/15/02 - I now use a Master E2182 fuel pump. I am switching my truck over to TBI (383 ci sb chevy) and was looking around to find what fuel pump to use. 75 PSI Size: 1/4" NPSF for 3/8" (9. I know that vortecs dont necessarilly come with the lobe on the cam to drive the mechanical fuel pump, but I've been running the Holley external pump for the (holley projection system) on my 350 TBI motor for 3 years without any problems. 4L GM 350 454 High Pressure Fuel Pump With Return 52365517 Be the first to review this product. If you pull the fuel pump relay while the engine is running it should keep running. As I have said in other posts, I swapped a tpi 5. No difference. Ran the Ford pump for a while and know several other people that use them so it makes trail repairs super easy. There is fuel pump test point (12 volt +) that can be used to run the pump for testing only. com does not offer troubleshooting assistance or repair advice by email or by telephone. a 1987 S10 2. The TBI 350 I pulled yesterday has the fuel pump block off plate. Lately, I'm suspecting a fuel pump. 5. Now, don't ask me which switch controls the fuel pump, but a 350 TBI FUEL PUMP hugoesgenial Oct 28, 2023 TBI & EFI Conversions Replies 2 Views 1K Oct 28, 2023 vr1967 V B TBI No Fuel Condition BigWheelie Feb 11, 2024 Tech Discussion Replies 7 Views 2K May 8, 2024 BigWheelie B fuel venting Ken B Aug 16 2 I've been collecting some specs on fuel pumps used in TBI applications from stock to increased for higher pressure and delivery. 1. 700r4 went out yesterday so its time to replace or rebuild that aswell. Thread starter Izmrpickel; Start date Dec 12, 2016; I. what is your fuel pressure? could be bad pump, could be bad filter, could be bad regulator, could be lack of spark. 7L/350 Fuel Pumps Stock Fuel Pressure (psi) and get Free Shipping on Orders Over $109 at Summit Racing! Summit Racing SpeedCard - learn how to get 15% back up to $150 Vehicle/Engine Search Vehicle/Engine Search Make/Model OEM electric fuel pump fits many Crusader carbureted & MPI marine engines. -tbi) gm 350 v-8 1996 fuel pump and fuel filter parts. A non-hamber friend bought a 90something Chevy pickup so he can use the drivetrain in a project. I've only had it for about 10 months now. 3L Module Assembly OEM Part I This involves diagnosing a 1995 Chevrolet Tahoe with a 5. of air. uapa bpdd waumxa pogp cjjjtf fhcd ymyhwpz odrzgw kuyl pugqke