LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

fuel line question.

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Old 09-10-2011, 02:24 AM
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fuel line question.

I am installing a ls1 into a 91 camaro and I want to use the stock fuel lines coming from the engine bay so my idea is a 14mm and and a 16mm an -6 fitting into a -6 tee will this work or does the return have to be smaller then the feed line?
Old 09-10-2011, 09:17 AM
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Car: 91 RS
Engine: LTwon
Transmission: T-56
Axle/Gears: Both
Re: fuel line question.

feed line is 3/8, return line is 5/16
Old 09-10-2011, 12:17 PM
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Car: 92 Firebird
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Re: fuel line question.

Feed and return can be -6 without issue. Biggest hurdle is converting from return style (stock) to the LS1's returnless system
Old 09-10-2011, 12:36 PM
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Re: fuel line question.

Originally Posted by Pocket
Feed and return can be -6 without issue. Biggest hurdle is converting from return style (stock) to the LS1's returnless system
yes I was going to use a 6an tee fitting to connect the 2 and the one to go to the fuel rail.
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