Quote:
Originally Posted by 65standard
This should be a sticky. Great information for LSx swappers.
My question is, do you really need to convert the return line into a high pressure line?
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I converted mine to -6 AN for the simple reason that I was reusing some existing -6 AN lines for my fuel system. I am not sure what the actual pressure is in the return line (but should not be over 60psi), but on MY return style rails, I could only find the adapter for a -6 AN and it is just simple to change over the sending unit to -6AN fitting.
Most push lock hose and fittings are rated to at least 200psi and that could be a simple hose to make up with -6 JIC fittings (same as -6 AN fittings) that don't even use hose clamps. Having the -6 AN male to 5/16" tube fitting on the sending unit is just extra safety against a hose and clamp leaking.