01-29-2009, 06:08 PM
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CC Member
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Join Date: Jul 2005
Location: Bartlett,
Ill
Cobra Make, Engine: Everett-Morrison LS1
Posts: 2,448
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Not Ranked
A 3/8 pipe fitting with a -8 an line works fine--the 3/8 fitting can be drilled out ti the id of 1/2 line which I use Stainless hardline with .035 wall making the fitting id only .430 so the 7/16 (.443) fine. You will have more restrictions with turns than from line size.
There are high performance mech pumps by several companies with the 3/8 npt threads and they flow enough fuel. use the mechanical pump and forget the electric ones
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