Gen V lt1 fuel line setup
Thread Starter
Pro
Joined: Dec 2015
Posts: 578
Likes: 107
From: colo
Gen V lt1 fuel line setup
I have a 1978 that I am installing a LT1 engine into. I plan on using steel braided fuel line from the tank ( with in tank pump ) to the engine bay. I plan on running down the drivers side since that is where the fuel line to the engine pump comes up.
The engine requires 70psi to the engine pump . I plan on buying a in tank pump that will push up to 100 psi from ebay. I need a regulator to bring it down to 70psi. The problem is I can't find one that has a return on it.
Would it hurt to just have the fuel line to the regulator with no return ?
I also remember that the LS engines had a regulator that has a return, but it reduces pressure to 58psi.
Any help would be appreciated.
Ed
The engine requires 70psi to the engine pump . I plan on buying a in tank pump that will push up to 100 psi from ebay. I need a regulator to bring it down to 70psi. The problem is I can't find one that has a return on it.
Would it hurt to just have the fuel line to the regulator with no return ?
I also remember that the LS engines had a regulator that has a return, but it reduces pressure to 58psi.
Any help would be appreciated.
Ed
Tech Contributor
Joined: Aug 1999
Posts: 14,380
Likes: 6,391
From: At my Bar drinking and wrenching in Lafayette Colorado
Regulators designed for the type of system you are building are return-style regulators. Many companies make them - they are common EFI regulators. Look at the Aeromotive 13134 as an example of common high performance high pressure regulators with pressure adjustable from 30-120 psi. All these regulators are return-style.
Thread Starter
Pro
Joined: Dec 2015
Posts: 578
Likes: 107
From: colo
I just went back on Ebay and I think I found one with a return coming out of the bottom. couldn't find any yesterday when I was looking. I am glad I am not dead-heading.
It has been a challenge getting this engine ready to install .
Thanks Lars.
Ed
It has been a challenge getting this engine ready to install .
Thanks Lars.
Ed
Tech Contributor
Joined: Aug 1999
Posts: 14,380
Likes: 6,391
From: At my Bar drinking and wrenching in Lafayette Colorado
Aeromotive makes about 12 different return-style regulators for EFI applications, all capable of adjustment up to, and over, 70 psi.
Magnafuel makes them.
Holley makes them.
Tanks Inc. makes them.
Fuelab makes them.
Redhorse makes them.
Weldon makes them.
AEM makes them.
...just to mention a few. There is no problem or issue finding a regulator. This is not difficult - Just whip out your credit card and buy one. All the major US parts suppliers (Summit, Jegs, etc.) ship internationally. You can order and buy any regulator you need and want.
Magnafuel makes them.
Holley makes them.
Tanks Inc. makes them.
Fuelab makes them.
Redhorse makes them.
Weldon makes them.
AEM makes them.
...just to mention a few. There is no problem or issue finding a regulator. This is not difficult - Just whip out your credit card and buy one. All the major US parts suppliers (Summit, Jegs, etc.) ship internationally. You can order and buy any regulator you need and want.
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Joined: Nov 2006
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From: Sunshine Coast, Queensland, Australia
2025 C3 of the Year Finalist - Modified
2024 C3 of the Year Finalist- Modified
2022 C3 of the Year Finalist - Modified
Cruise-In VIII Veteran
Wow! for future reference, there are more places. And better places to purchase car parts than ebay.
Summit, Jeggs, Rock auto Etc.
Summit, Jeggs, Rock auto Etc.
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