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Originally Posted by Steve1968LS2
I just spent an hour talking with Bret at Aeromotive about my fuel system and we discussed your problem.
The main issue is that you are moving way too much fuel in a circle since you pump is so big for your current need.
You could go to a smaller pump or Add a voltage controler to the pump you have.
You could also add a cooler with a fan (permacool?) to the return line back by the tank. This would cool the returned fuel quite a bit.
Having the regulator after the fuel rail (I was told) is the best setup with the "horseshoe" method (before the rail) being second. Returning back by the tank is the worst of the three.
I suggest you call up thier tech line, nice guys with lots of info.
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I'm all for any return other than
after the rails; grab ahold of the fuel rails after the engine is completely up to temp and been driven for a while. The gas is in there much longer than if the exhaust pipe gets close at a small point in the line. Neither are good however, but I think insulating the fuel line near the exhaust will definitely help, but if you're going through the rails to bypass you still may have issues.
By the way, many of the new oem cars are regulated in the tank (Vettes, GTO's, etc.) or do not have a bypass from the fuel rails back to the tank (Lightning, etc.). I ran a couple cars regulated back by the tank and they worked flawlessly.
Jody