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I've been researching and researching and researching fuel system posts. I decided to bump up from my holley blue to an aeromotive pump and while I'm down there just go ahead and go to a 1/2 line from 3/8. My question is braided or hard line? From what Ive read I haven't really been able to find which one is superior. I have both in my garage. The braided is gonna be a heck of a lot easier to install but I wanted to get some opinions or preferably facts if there's gonna be a downside to braided over a hard line. Sorry to beat another subject to death.
 

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Hard line is best going from the rear to the front mounted on the chassi.
Just use braided line conecting the engine to hardline and tank to pump, pump to chassi.
Just my opinion :)
 

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Well, lately the issue has been the weird unleaded gas breaking down steel braided line. It doesn't happen right away, I would say 10 years? Then you start to get the constant gas smells in the garage from the fuel permeating the line. Eventually if it gets bad enough it will develop leaks. I know of 3 of my friends that had to replace their lines. 2 out of the 3 felt it wasn't bad and replaced the line with steel braid again.
 

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Braided line in a big size like that is $$$$.

Most of it seeps gaoline vapor; makes your car & garage reek of fuel 100% of the time.

IMO hard line is the way to go; with the shortest practical sections of flex line, only where motion needs to be accommodated. And for those, use the $$$$$$$ Teflon-lined stuff that isn't permeable by fuel.
 

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I am about to redo my system too. Summit has this -8 PTFE lined braided hose for $75/20' which doesn't seem bad. http://www.summitracing.com/parts/sum-220993/overview/
Of course, they say you have to use the Summit brand PTFE-specific hose ends. But even they aren't that expensive.

Summit has this interesting warning on all of the fuel hose they sell: In recent years various fuel manufactures may have added any number of new unpublished additives to their fuel blends. Due to this fact it is very difficult for hose manufacturers to know how the inner liner of their elastomeric tube compounds will react with a given fuel. Because of these unknowns we are unable to guarantee that the hoses we provide are the best possible products to use with any specific fuel. The most commonly reported issue being a fuel odor that permeates from the hose. If there is any doubt regarding the fuel you plan to run we recommend that you select a PTFE lined hose for your application.
 

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Don't use frozenboost.com or Summit for there PTFE line or fittings there inside diameters are restrictive use the big name brands ,with the PTFE line make sure the PTFE is a black colour not clear or white
ask me how I found all this out Lol
 

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The clear or white PTFE with high flow creates static which thay are finding out
And thay are putting some carbon into the PTFE to stop that, that's why the good PTFE is black:yes:
 
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