Tbi to carb fuel lines

Tbi to carb fuel lines

Apr 6, 2014. I can't find an adapter to accomplish this. ) Source: Affordable Jul 5, 2006 · I removed the fuel lines going to the TBI and cut the one coming out of the fuel filter to about 4 inches long. Feb 22, 2012 #6 92Sierra I'm Awesome. Air Cleaners. I am initially going to do as you said using the in tank pumps etc. Price: $900-up (approx. its got way more power, better mileage (17mpg) and it will do 80 in 5th on 32's! webber 32/36. In fact, from what I've read you might as well strip the whole thing out of the truck. The pump will want to throw 10-12 at it. Jul 15, 2015 · Carb of choice around 600cfm. 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). Dec 8, 2019 · Working with a 1990 Chevy blazer. 8l reg cab short box 3 inch body lift SOLD. May 3, 2005 · Re: 1988 camaro fuel system. Jan 24, 2011 · just finished a TBI v6 to Carb 350 swap. ooh alright you have a 350 so your set up would be different from mine. Small parts kit for routing and mounting components. Hey guys. 454. #4 · May 4, 2011. Apr 12, 2010 · however, if you want to go carb it's not that hard. Mar 17, 2010 · had a few minutes to mess around with it this weekend. I'm about to do an LS swap (5. In the line is a T fitting. Then C4 lines to the fuel rail. The original fuel line from the TR6 tank is 5/16″ steel line coming out the bottom of the tank. parts you will need is 4bbl carb, throttle and trans Jul 22, 2003 · 85 K30 truggy, 350 TBI, TH350, 203/205, D60/C14, 4. Oct 19, 2010 · 4. One line block at its tee and the other line and youll need a fuel pressure regulator in line on the other. 25 posts · Joined 2011. There is a lot of other stuff controlled by the computer to consider like a/c, overdrive, voltage regulator, cruise control, egr, vapor recovery, AIR pump. Nov 18, 2010 · TB, dist. you think you have TBI issues, just wait til you get that carb on there. Jan 13, 2013 · just run a fuel pressure regulator than will handle roughly 25psi of fuel pressure. Doing a LS swap 2005 5. 1985 gmc s15 4x4 high sierra 5 speed 2. Working with a 1990 Chevy tbi system. #5 · Oct 1, 2011. I just recently purchased a 1990 Chevy 2500 single cab long bed with the 350 tbi that has been D. It's located to the driver side of the Tstat housing and has 2 wires going to it. if the problem goes away it is a venting issue, Also check that the throttle when pressed is opening the carb blades fully. It's very important that you use a regulator with a return line, also known as a bypass regulator. you can be going down94 tbi fuel issue ran fine before Tbi to carb fuel line question1973-80 chevy & gmc blazer/jimmy fuel pump to carb lines, 307, 2 bbl. I used 3/8 fuel hose from the filter to the carb. Mine has a factory adapter plate between the intake and the TBI unit. I was thinking before pulling the lines off and lifting the intake out. 17. Plug ignition on power to the distributor. For more information on selecting a fuel pump click here. yevgenievich said: TBI to carb is relatively simple. They get in the way of the distributor. The pump has a hard time priming itself if the fuel is below the pump. Use existing oil pressure switch to run the fuel pump, while also leaving the ecu in place to prime Shown is an early installation using 3/8” tubing. 402. Dec 5, 2015 · 1987. Edelbrock 750 CFM Carb 1411 (Suggested by the Edelbrock Tech) 3. Going to be the first time doing it. Here is a how to on how to keep the 4L60E working. Nov 7, 2022 · Take the pump out of the sending unit, pull the power wire off that supplies power to the pump and put a fuel submersible 3/8" fuel line in place of the pump cut the bottom of the line at an angle. earlier 454 tbi's just used a 4 barrel intake with a tbi adaptor-- so installing a carb is simple. CUMMINS 12 valve. Fuel System Kits. 1985 carbureted tank, fuel sending unit and fuel lines. Use the universal steel lines avail at any parts store in the length you need. You will need to add an O2 bung to the Y-pipe, and a wire from the fuel Jan 16, 2012 · Still need to use a short piece hard steel line at TBI and fuel filter. Or you engine will flood out. I am going to start gathering parts for my 1987 Suburban TBI to carb swap. Also I found that you won't need a new intake if your engine is like mine. Mar 9, 2019 · Truck Model. 8 posts · Joined 2014. I still have the original electric fuel pump in my Jeep which is currently Mar 2, 2008 · I used a Ford truck (88 external) pump so I got a Ford fuel line and cut the quick connect off and put FI hose on it then to the fuel line on the car. This will drop the fuel pressure from the TBI's 12-15psi down to 4-6psi for the carb while the bypass will keep the pump from dead heading fuel and overheating just as the TBI body and Aug 5, 2023 · R10. Eventually I plan to switch everything to AN braided steel lines. 7L/350ci Low Pressure Pump to Carburetor Fuel Line 22 Jun 25, 2012 · i have a 89 RC 4X4 with a 360. What I'm wondering is can I just hook up the carb fuel line to the outflow side on the tank in the same place as the TBI Sep 1, 2014 · So the TBI to carb swap is underway. Here are the factory fittings. any input will help pics and digrams will help Oct 23, 2015 · The typical bolt-on TBI fuel injection system will cost around $2,500 to $2,700, which may or may not include an electric fuel pump and additional plumbing. also if your injectors are dripping fuel thats your issue. Fuel pump relay, GM P\N; 14089936 14. Just use common sense when routing the lines. I already have a 3/8" fuel return line installed on the car so I will be looking for a bypass regulator. Make sure there is more than 1/2 tank of fuel. The design of the MU-HT puts the in-tank fuel pump fittings and sender on top of the tank. EFI is the way to go. r10. now would be a good time to figure out a way to completely eliminate the computer from the truck. 14. F. Adjustable fuel pressure regulator/fittings/rubber lines. Feb 15, 2021 · 2. I have a '92 extended cab 4. Smiley Cordero Jr. Apr 26, 2023 · #obs #chevy #shop In this video I chase alot of squirrels and end up converting a TBI throttle body truck to carburetor. 7. for the distributor you'll need a gm hei to make it work. You might take a jumper wire and jumper across those two wires to For most applications our TBI or 2 series fuel pumps provide enough flow for a carbureted engine. the injectors needs to spray a very nice cone shapped pattern, if it Mar 28, 2020 · On the TBI heads, they're at 28 degrees instead of 45 degrees, probably to keep people from doing what I did. My question is it necessary to bypass all the evap canisters next to the tank Aug 25, 2008 · Agent Orange 69. The throttle body has the factory braided fuel lines. i to carb. 350. B. 85 cj distributor, duraspark ignition, accell super stock coil, some amazon special dead head fuel pressure regulator Jan 7, 2015 · From what I can gather, I need an intake and carb from a mid 80s Cherokee or cj7 that came with the 2. S. High flow fuel filter, in-line, Fram P\N; G3802A 12. Each carburetor fuel line fitting adapter is made from high quality materials and assembly so you can get the leak-free sealing performance you want at a price you can Jan 7, 2011 · You got 2 choices on the fuel pump use the one in the tank, or mechanical one the V-8 has if it older model. I plan to use a 2-way fuel pressure regulator so I don't have to eliminate the brand new in-tank fuel pump and return lines, but I'm not sure where to start looking for one. Oct 31, 2010 · ejohnson03. 907 posts · Joined 2008. England. 0L TBI engine. for the fuel supply i would remove the in tank pump and install a proper Apr 26, 2016 · First you are going to need a HEI distributor, intake, and a fuel pressure regulator. . brad33478 Discussion starter. You will notice two large gauge wires in the socket. 2. #1. Aaron Brooks October 25, 2021. 700. Mar 4, 2002 · I am going to use the current efi fuel pump in the tanks Inc tank that is currently putting out 60+ psi and I need to bring it down to 5 - 10 psi for the carb. system goes tank-selector valve- pump-TBI return is the opposite. Nov 11, 2013 · I decided to go with Tanks Inc. Way I gonna do it is Take out fuel pump in tank Extend from hose in pic to bottom of tank and put a screen When the adapter plate for the 2-barrel TBI unit is placed over the stock carburetor flange, the bolt pattern may be the same, but the placement of the throttle bores is in the center of the flange, creating an obviously unusable restriction. and the engine running pig rich? As for the vent issue, to test, drive it with the fuel cap off. By comparison, you can buy a brand-new street performance carburetor from $300 to $800, or a big bore racing carburetor for $800 to $1,400 or more. Sep 26, 2012 · TBI runs alot higher PSI than a carb. Hmmmm. it was the one on the back near the fuel lines. i have a 305 that i want to go from t. A set of vortec heads, 750 mechanical secondary carb and a edelbrock rpm air gap intake will double the hp of the stock tbi and still be great driver. Yeah I Jun 28, 2015 · Fed up with my 1989 chevy truck having trouble so I took off the fuel injection and changed to old school carburetor. On this T fitting is a output that has a 5/16 bung on it. Suction. HOPEFULLY one day it will be EFI. 5 iron duke. NPT Ports, Female Thread, Aluminum, Natural, with Bracket, Each Official Marine Power fuel lines and rails for marine inboard engines. Feb 22, 2010 · go to APPEARANCE and click on my 93 caprice tbi to carb conversion thread u will get a bright idea no its easy and i have a 350 what about u. TBI systems use a dual-plane aluminum intake manifold and a throttle body with two injectors that deliver fuel to Aug 1, 2023 · Freshen the TBI injector o-rings, screens, accelerator pump and all the gaskets. dp 4150). One mind any weapon. The ACDelco kit, with the most parts is the one you want. The computer runs everything based on the motor sensors, many of which are related to the TBI. switch valve will swap feed, returns and the tank senders for the gauge. Again I did not go with electric fuel pump and regulator. Out of fuel rail with C4 lines, reducer, car lines, short section of FI hose to return to tank. I did a mechanical conversion. they think bigger is better. Edelbrock Performer Intake Manifold #2161K (Suggested by the Edelbrock Tech) w/gaskets and bolts. I think that there are a few posts regarding the TBI to Carb swap. fixed that, still ran the same. 3 TBI auto that I want to convert to a mild 350 with a carb. I recently made up a new hard line for my C10, running a standard fuel pump and Quaddy, but with an Edelbrock Hi-Rise. 3 TBI to 350 Carb Conversion. The bare minimum would be a carb, new manifold, and distributor. , Sgt. a carb needs 5-7 psi to run. Suburban V10. 5" blocks, Zq8 leafs, Zq8 box, poly end links/ bar bushings. In this case, we were running 10psi of boost. Intake, Carb, new distributer, wires, fuel pump, and a new cap and rotor. 360 w/ weiand intake, Edelbrock performer 1405 600 CFM carb. If you use a deadhead fuel pressure regulator (I used the spectre1-4lb) the oem fuel pump will over pressurize the system and flood the carb at idle. with my '87 I just bought a roll of brake line/ fuel line for like $38 and just unrolled it and custom made my own and used rubber on the ends for the bends. Feb 22, 2012 · 22K views 14 replies 4 participants last post by brad33478 Feb 25, 2012. You may have a bad ECU temp sensor. Most 454 have a 4 b intake with a adapter to the throttle body. The primary goal of Step 1 is to get your fuel source set to the pressure you need it to be. Cold Air Intake. Having a harness made to run new carbed engine without all the extra tbi stuff. (a green and yellow IIRC). In fact, the Vortec line of GM truck Dec 1, 1998 · Meet Mr. #2 · Nov 1, 2010. thetruckga May 30, 2014 · 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 regulator to the 1/4" return line. For a carb swap you need a whole line of things. Aug 3, 2021 · HEI dist. Its pretty important to keep the return fuel line because your carb can only handle 6psi max. it was a TBI and i am in the middle of converting it to carb. Leave everything plugged in the harness to satisfy the computer. Feb 2, 2013 · Well the TBI fuel pressure is only 14. There is a fuel pump relay on the driver side firewall next to the hood hinge. Carburetor Components. EFI - Fuel Injection. Fel-pro gasket kit (head/intake/exhaust) Edelbrock 1406 600cfm electric choke carb. The lines going to the TBI are metric compression type fittings and the regulator has 3/8" not. So far heres what i am looking at. 3. 164 posts · Joined 2011. Mar 19, 2015 · A carb works on a lot less fuel pressure, you can use your current intank pump and TBI pressure and return plumbing by installing a bypassing regulator. #4 · Aug 25, 2008. Yes just like the title says i wanna get rid of the tbi on my gmc and convert to a carb with an hei. #1 · Mar 20, 2020. I'm running a single line from the tank to the inlet of the mechanical pump on the passenger side of the block. N. Fuel line kit. My Duke had a bad sensor and it ran like poo. All right, did some in-depth searching and found these. but i need help with wiring everything up for the ignition. But if the truck runs good with the carb which I have no doubt it will since the pre computer 305s came from the factory with carbsI will eventually get a wiring harness for a pre EVERYTHING electric. Part #: 785-430D Line: DOR. Marines. highly modded 97 dodge diesel 4wd 5 speed fully loaded making 450hp and Feb 26, 2009 · Gaskets go bye bye. MSD 6AL, Accel Super Coil, 8mm Accel spark plug wires, NP435/NP205 combo, Dana44F/Dana60R w/4. Ran my fuel line on the cross member and then down the passenger side. 5-15 tires, Shackle flip 8" lift w/skyjacker hydro 7000 shocks and energy suspension bushing. Doing otherwise will hose your electric fuel pump. 02 intake/1. My 68 C10 was a std bore 91 vette shortblock with a stock lt1 cam, mild ported vortec heads, a 830hp mechanical secondary carb, msd 6al box, msd dist, coil Mar 20, 2020 · 31 posts · Joined 2020. Throttle Body Adapters, Carbureted Manifold Adapter, Square Bore, Aluminum, Natural Finish, Venturi Port Style, 2-Barrel Pro-Jection, Each. The easiest thing to to is to disconnect power from the factory pump and use an aftetmarket inline pump. ) (EDIT 2: The fuel pressure regulator I used is a Holley 12-887, set to 5 psi. That's fine if your motor is all factory, but if you have changed the fuel pump, carb', or manifold for any aftermarket replacement, it may not fit. tbi fuel pumps should be putting out 13/14psi unlike the carbs that like 4-6psi. Well, I finished swapping a Carb 350 into my truck, i am using the stock TBI PCM to control the 4L60E. There are two ways to do this. Sep 25, 2020 · For this blow-through carbureted LS engine, we used a 12-846 Billet Holley fuel pressure regulator and plumbed a boost-reference hose from the nipple outlet on the pressure regulator (arrow) to the blower hat. K20. Oct 25, 2016 · Additional Parts Required: Fuel lines. 4. #3. If you have any questions or concerns I can help you along. GO CHECK OUT: https://www. I just pulled my tank out and put it in my box. 3L) into my '89 Cheyene, which has a 5. Will these lines support the higher fuel pressure for the 5. Carburetors. I have come up with 2 that I think will work but I am clueless on if either will 3/8" Fuel Pump to Carb Line w/350cid, 73-80 Blazer (0) Reviews: Write first review Description: 3/8" Fuel Pump to Carb Line w/350cid, 73-80 Blazer May 25, 2014 · 2. I try and avoid anything rubber on the pressure side, if at all possible. Intake for carb for TBI heads and carb and fuel regulator. Special Considerations: Adapter plates can also mate to two- and one-barrel intakes. Oct 22, 2022 · part 2 of 3 for project I-Rocket the simple way or wiring and swapping out the factory GM throttle body injection to a carburetor Holley Carburetor Bypass Style Fuel Pressure Regulators 12-803BP Fuel Pressure Regulators, Bypass Style, 4. The TBI fuel pump uses a bypass pressure regulator making ~15psi. Location. so i completed this conversion about 8 months ago now. So putting a carb on it would allow it to flow better through the carb for sure, but your engine won't be making any more power as it will not be utilizing the extra flow. Steel 3/8″ brake line connects to the pump’s output and heads forward along the left hand frame member. Jul 12, 2013. This is the section that carries the high pressure output from the fuel pump. #10 · Dec 10, 2021. 11441 posts · Joined 2009. This can be replaced with a carb type bypass regulator. 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 in the article, very helpful article if you don’t have a fuel injected square. and here is how! DO NOT ATTEMPT THIS IF YOU HAVE EMISSIONS! Transmission Control Via TBI PCM: First off, Here is what the PCM needs to operate the May 2, 2011 · 302 posts · Joined 2010. Jul 3, 2020 · As promised here's how to go from TBI to Carb how to set the timing and run the the fuel lines and the carb I hope it helps. JEGS offers a wide selection of carburetor fuel line and hose fittings from top manufacturers such as Edelbrock, Russell, Earl's, Holley, JEGS carburetor fittings, and others. Electric fuel pump--high pressure, in-line, HED P\N; FP257 11. The trigger in the TBI distributor is a hall effect type and relys on the PCM to provide both mechanical (rpm) and vacumn advance. Holley recommends between 5 and 7 PSI. May 7, 2013 · A TBI Tb is around 450 CFM. Jun 24, 2016. Email me if you have any questions. Union, short piece then filter. Also in Air & Fuel Delivery. Add extra $$ if you want the carburetor I have put together the following list of parts from JEGS that I think I will need for the conversion: 1. i also tried a a few of the other chips from howell just for kicks but Apr 6, 2014 · Feb 18, 2011. 16. Can you lead me in the right direction for the fuel pump, lines, fuel pressure regulator. I am using my stock TBI in tank fuel pump for my carb, I am using a Holley fuel regulator with return back to the tank. Nov 16, 2015 · 1989 s10 2. one wire plug and play. #4 · Nov 5, 2011. I also believe I would need a distributor as well. If you are using a stock GM TBI, then I believe the fuel pressure regulator is built into the throttle body. Can you please lead me in the right direction as for pumps, lines, fuel pressure regulator? Thanks Jun 3, 2024 · Holley Throttle Body to Carbureted Manifold Adapters 17-45. the jeep will run just fine with the oem computer, ignition, etc. Limited Lifetime Warranty. 2137 posts · Joined 2009. We now find that 5/16” line is sufficient and a much easier line to work with. Pain is weakness leaving the body! Feb 18, 2023 · Thanks for watching and have a blessed day! List of parts:Distributor: https://amzn. Mar 9, 2024 · 94 gmc topkick 427 truck with a tbi fuel system. B-300. OK so some of you are going to think I am going backwards here - but for my purposes I'd rather have a 4 BBL carb on my 1988 Chevy K2500 4x4. Bonus is that I get clearance for when I'm offroad and dont have to worry about hitting the tank as well as I replaced all my fuel lines. 5. The options for fuel lines and the tools are in the WarHawk thread. I think I have some pics of what mine looks like on this forum somewhere. Most TBI systems require a fuel pressure in the teens or low 20s PSI. TBI, throttle-body injection, also known as the carburetor with a brain. Hook the feed line into the new fuel pump and just run a new rubber line from it to the carb. Nov 5, 2011 · buckner01. Mounting: The Holley sniper bolts right on to a regular 4 barrel carb flange. EFI rated hose and clamps on each end. Fuel Pumps Regulators and Filters. This all ran off the ecu. 1. 5837 posts · Joined 2006. May 9, 2021 · suzukibruce Discussion starter. Finally, you will need to route fuel to you new carburetor at an acceptable psi, for a carb, that means 5-8 psi. T inspected until 2018 in MN. Mount a TPS to the carb, a fuel pressure regulator and give it a try. Vehicle Speed Sensor, HED P\N; VSS263 15. fuel tank # MU-HT and their GPA-TBI in-tank fuel pump. 13. Aug 18, 2022 · 454 Cubic Inch. 18. Fuel Pressure: 9 to 13 psi. Just need to know how to adapt the stock fuel lines to the regulator. i also checked tightness of the intake bolts, all were tight. Nov 16, 2013 · It's a '93 K1500 4x4 pickup. $36. Jun 2, 2016 · Fuel lines are as stated in the FAQs. They DO make aftermarket fittings w/Bling, but they are spendy. Engine Size. 65 exhaust) Edelbrock 2701 intake. The electric pump used for TBI usually requires a 3/8″ supply line, however because gravity supplies the pump, the 5/6″ line is sufficient for 10. 5. Fuel routing line tbi lines body throttle needed help driver side86 tbi fuel line Idle tbi adjustment gm1981-87 2wd chevrolet gmc truck fuel Aug 8, 2011 · I'm switching my 1990 tbi 350 to 383 carb. The diagram below outlines how the fuel lines can be ran using a bypass regulator on a carbureted application. Also have HEI dizzy and of course intake manifold and carb. Service manual-basic troubleshooting and operating information. The truck was stalling out and nobody Jun 29, 2014 · For the return I cut the threaded end off of the factory line and ran a normal fuel line from the back of the sniper to where I cut the factory line on the fuel rail. Like mentioned above, the engines are designed to have made all their power by 4500 - 5000 rpm. #13 · Jan 22, 2016. buckner01. 3 fuel rails, or should I just make new lines to connect to the existing hard lines that run under Aug 26, 2005 · Putting a carb on a TBI engine doesn't help you out a whole lot. 7L TBI Small-Block Hauler manufacturers have embraced port fuel injection. Fitting Type: Barb . 400. Mad Max. But the basics would be grab the intake manifold from a TBI truck, the complete engine wire harness, ECM, fuel tank (at least the sender part), and any related parts that are different from yours. , wiring harness including the underdash, computer, throttle cable, exhaust manifolds and y-pipe, as much of the fuel lines as you can, and of course the engine. May 29, 2012 · Truck Model. I am in the early stages of upgrading my 87 from the stock TBI 350 to a EFI ZZ6 350. I hate my 78 Camaro due to it is carb. Just do a search. 1989 it probably has a turbo 400, so just bolt on a intake and carb do away with the distributor and put a HEI, that should solve all your problems. If I put tbi on it I would buy a pulled motor along with the wiring and computer and swap everything onto my 350. (with a return) Factory TBI pumps send 10-12 PSI. Mines a 454 though so I'm not sure about the small blocks. Dec 1, 2004 · How To Bolt On 25 Hp And 35 Lb-ft Of Carb-Approved Performance To Your '87-'95 5. the biggest issues with a carb eng is people put WAYYYYYYY too big of a carb on there eng. i bought the mopar high performace ignition system and i have a 650 holley carb eclectic choke. gasket kit. Part Number: HLY-17-45. 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 Jul 4, 2021 · 198. doing a LS swap 2005 5. Carbs don’t like vacuum leaks very much. Thats what I plan on doing this summer. 56 Locked, 42" TSLs, 4" lift, 112" wheel base, front leafs, rear double triangulated 4 link with coils. Thanks guys! Like. Brand new here. no need to change it unless its bad (I still intend on changing it to a dui eventually) 3. Jul 4, 2017 · C10. For the 02 sensor you can get header collectors with the sensor bung in them already Edit; for the fuel pump you could just get a fuel tank from an 88-91 (up to whatever year they switched to magnum engines) then you would have the correct Feb 13, 2014 · The price difference would only be $100-$200 (with the tbi setup being more expensive). This ensured fuel pressure would match blower boost. This is generally way too high for a carb. I have the manifold on and the edelbrock carb on and hooked up. Remove TBi, add carb (adapt linkage correctly especially when 700r4 used), add fuel pressure regulator, replace distributor with hei. to/3xxHiWJCarburetor: https://amzn. #1 · Feb 22, 2012. Find Trans-Dapt Performance Throttle Body to Carbureted Manifold Adapters and get Free Shipping on Orders Over $109 at Summit Racing! Trans-Dapt Performance throttle body to carburetor adapters allow you to mount an OEM or Holley TBI unit on almost any manifold, saving you the expense of buying a different manifold. b. Because the source is at the bottom, gravity will drain the entire tank if there is a leak. 5 lbs but you need steel lines do not use rubber hose all the way. You can use regular EFI fuel hose with some hose clamps as the return side has very little pressure on it. Truck Model. Reaction score. 5-9 psi, Return Style, Inline, 3/8 in. I have everything taken apart and the intake is still sitting in the truck with the fuel lines attached being the last thing. Joined Sep 12, 2011 Messages 201 Reaction score 15 Aug 26, 2019 · Edelbrock has a new-er carb called AVS2 which has 8 outlets on each main jet instead of 1, to help improve atomization issues which plague low airflow operations in a carb, where TBI and SFI fuel injection systems do better. 00 or more, not the cheap kits. 56:1 gears, BFG MT 35x12. Made from high-quality material, these adapters provide a smooth transition Fuel Pump regulator with a return line out, 15~40PSI in to 6-7PSI out, and TBI adapters fuel line to fuel pump regulator adapter fittings unless you want to just chop the screw off incoming line and go with barbs and fuel hose with clamps which is completely fine for these pressures. Not much different from installing a propane mixer on a TBI engine and they run fine. 3l auto 4x4 lifted 2 inches on air SOLD. Jan 15, 2013 · FrankenMonster: 1991 RC. if not you'll need a 4 barrel intake. Jan 6, 2006 · I think the '91 is still tbi and not a magnum engine. O. The regulator will throttle it down to 6 psi, but you will burn up the Dec 18, 2012 · Fuel pump rated for the TBI you have. Using Aeroquip socketless hose and AN06 fittings throughout and Holley Billet regulator and filter. The Qjet would basically be a swap and go (with a little tuning). Official Marine Power parts. 3/8 for the feed and 5/16 for the return. Reasons I do not want the TBI that is in the YJ: Poor gas mileage, changed every sensor, vacuum line, fuel pressure reg & injector, and I cannot get better then ten miles to the gallon. I know you guys are gonna give me alot of hate on this one but after 11 obd codes and spending about $600 on sensors and other stuff like a fuel pump, filter, new throttle body, ecm, plugs, plugwires Jun 11, 2020 · Trying to convert a TBI to carb on a 92 Chevy 1500. Ive done it this way in the past and it worked good. So I ran a 5/16 hose from it to the return line going back to the tank. Happy to assit. 5" spacers, 2" Blazer spindles, 2. Dec 12, 2011 · 1987. U. 1991 gmc jimmy 2 door 4. JEGS HEI Distributor #40002 And connectors. Double check to be sure that all vacuum lines are intact, and that all ports on the carb are either used or plugged. You should be able to find plenty of carb to TBI info. I have not tried it on a truck app but I'm very interested in it. Dec 2, 2020 · Is the Electric pump over powering the carb's needle and seat With to much fuel pressure, over filling the fuel bowl. I have the return line fuel pressure regulator. My buddy did that on his WT and it was a nightmare. Run the lines to the inner fender and then a line over the engine to the carb. For a carbureted fuel line kit click here. i have changed the fuel pump to a holley red to cut the psi back for the carb. That should deliver plenty of fuel for 475 fwhp (Holley 750. Air Scoops. I have a '90 360 and I upgraded my FI by using Megasquirt. on brand,kind,type is up to you. I have the materials, flare kit and tube benders to do it. ( 4 ) Estimated Ship Date: Jun 20, 2024 (if ordered today) Drop Ship. 5 speed. 3500. Original metal piping is the best, pull and pack or, buy a new piece of steel line and bend/cut/reflare it to fit, the double flareing kit is`nt that much from H. Sep 20, 2020 · I would swap heads while your at it. Dorman 3/8 X 1/4 Inch NPT 90 Degree Fuel Line Adapter - 785-430D. I'm looking for a write up any one that would know what exactly I need to do to keep all my gauges and stock fuel sending unit. 4x4. (photo 2) The easiest cure for this problem is either to find a factory 2-barrel inlet manifold to use Jun 2, 2012 · Cut the fuel lines just after the fuel filter and loose the connecting pipes that used to go to the TBI. Going to need a carb type distributor from what I've been told about this swap. 2002 S10, Envoy bumper,, c5 wagon wheels, 2. Thanks. Dec 26, 2016 · Reaction score. Oct 2, 2011 · B. to/3lOgi2qFuel Pressure Regulator: Sep 20, 2010 · I was in the auto parts store and asked the tbi and carb apparently need the same line pressure between 5 and 7 psi I think. If you use the existing in tank electric one. May 1, 2016 · Replace the TBI with a carb and try it before ditching the electronics. i found a crack in one of the small breather tubes coming off the tbi unit. He's bought some refreshed pre-87 heads (don't recall the casting number, I believe they are 2. sc iu pq qx mp xo qo db jh ig