This hopefully is a simple question.
I've installed a hi-volume Buick 455 mechanical pump on the Skylark, and it has a return line port on it, which I just plugged off.
How do the return on the mechanical pumps work? Is there a relief valve in the pump so when it hits ~5-9psi it pumps the excess volume out the return port? Will plugging it off become a problem down the road? The main pressure line is not dead headed and there is no significant restriction to it's flow (flows into my surge tank/pipe which has an open line to the gas tank). If it's a problem, then I'll figure out a way to T it into the surge tank.
I've installed a hi-volume Buick 455 mechanical pump on the Skylark, and it has a return line port on it, which I just plugged off.
How do the return on the mechanical pumps work? Is there a relief valve in the pump so when it hits ~5-9psi it pumps the excess volume out the return port? Will plugging it off become a problem down the road? The main pressure line is not dead headed and there is no significant restriction to it's flow (flows into my surge tank/pipe which has an open line to the gas tank). If it's a problem, then I'll figure out a way to T it into the surge tank.
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