Quote:
Originally Posted by danton84
I than proceeded to clamp off the return line with a pair of vise grips and again check my pressure. Again it was 12 psi, but it was getting dark so I didn't get a chance to test drive it again. I figure if there was going to be any kind of increase I would see at least some while at idle.
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Is this the clear hardline? If you clamped that with vice grips my guess is it was not totally shut (because it is too stiff) and that's why your fuel pressure did not go up.