Quote:
Originally Posted by biketopia
45-50 is still on the low side. The computer can probably compensate under normal conditions, but it's not right. What is the rest of your fuel system like? Any sharp bends or pinched lines pre test port/regulator?
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nope not at all. I used evil energy AN hose for the entire system, not one hard line. stock filter located maybe a few feet from the tank along the frame. the regulator is the stock style mounted on the engine, original to the motor.
I looked at a how to to test it. when engine is running, if the diaphragm is busted fuel will shoot out the vacuum port. it did not. but the second test, if you unplug the vaccume port while running, the psi shoot up like 5 psi, but it did nothing. when I get the hose in tomorrow I should have the pump back in by Thursday and I will try another pressure test, and also test that regulator again
this is the stock pressure regulator below..
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67 1/2 ton Suburban - Project DRGNWGN.
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