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How much Horsepower can -6an fuel line support? My 472 is more street driven than strip. Can I get away with the Summit Fuel System kit that has all the hose, clamps, filter, pump & regulator for approx. $270?

I am on a tight budget. But can upgrade later when I upgrade my heads & carb. Currently running Solid Flat cam with D3ve heads and Dome forged pistons with an 800 dp 4150 carb. No nitrous for now. Have a Victor460 Tapped for my fogger system that will be use way later :D
 

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Discussion Starter #4
should be fine?

Could I be ok with the -6an line? I do have a budget problem....... :oops:

I think that is a great deal though......at what HP levels does a -8 line become necessary?
 

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Discussion Starter #5
ttt

ttt


So at what HP levels is an -8AN line necessary???

Anyone?
 

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500 and up

I've run -6 on 500hp engine without to much problems but I would go with the -8 if at all possible, you won't have to worry about it later. 8)
 

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Budget fuel system

If you're on a budget, why not run 1/2" coiled carbon steel tubing front to rear instead of expensive braided line. I.E. Like the OEM would do, only bigger.

I've done this with 3/8 line on 40psi EFI cars; works just fine. The only issue is connecting a fitting front and rear if you're connecting to AN line. If you're just connecting to hose, flare the end of the hose a tiny bit and use a hose clamp as usual. Otherwise you either need to use a flare fitting and flare the tubing (like a brake line), or get out a tig welder and make a nice weld to connect tubing to fitting.

It's more work, but far cheaper and arguably more durable. No need to ever replace that line once installed. Some of the rubber lined products don't fare so well over the years. If you can't afford teflon lined hose and plan on keeping the car a long time, the steel line approach is preferred in my opinion. The rubber lined stuff breaks down. Go smell the side of any braided fuel line that isn't teflon lined and you'll smell fuel coming right through the walls of the hose. It gets worse as it ages until the internal liner starts to come apart.
 

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Discussion Starter #10
70429scj said:
Ok were can you buy the 1/2 coiled steel tubing.
Thanks,
Steve
Exact same question as ^^^
 
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