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Old 11-14-2015, 02:29 AM   #13
slotard
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Join Date: Nov 2014
Location: Alameda, CA
Posts: 877
Re: fuel tank question

Quote:
Originally Posted by Ta2edjr View Post
Aruba thanks for the info! I won't sweat it I'll keep on truckin on this build. By chance you wouldn't know how much pressure the return line has on it? Maybe a few pounds if any is what i had in mind but never hurts to ask
There will be minimal pressure, higher at the rail and decreasing as it gets closer to the tank. The hose has some resistance.
Quote:
Originally Posted by Aruba1 View Post
I don't know, people run into a lot of theoretical problems that may or not may be a problem in the real world. Some manufacturer actually recommend the return line on top of the tank, others suggest brazing a bung in the neck. I know that using the return bung on the stock tank works fine for me. But my truck is build for towing, probably if will have a different effect if I was going after speed, crazy HP, boost, etc? If I ever run into any issues I will post it on here.

I just wonder how many times their fuel being pushed back in the tank? Does it do it when slowing down or letting the throttle go? I personally would rather have it spraying on the top then from the button and pushing bubbles in the gas. Sorry, I am just thinking out loud.
The return line doesn't have any bubbles in it unless your fuel line did, having it at the top makes it more likely to get bubbles thanks to splashing.

It'll flow most when you let off.
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1973 C20, 350/350
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