Quote:
Originally Posted by RustyPile
One possibility is the fuel pump is weak and can't provide enough fuel delivery, or the filter is returning an excessive amount of fuel and there's not enough left to feed the carburetor.. If memory serves me, the '72's fuel pump provided return through a 3rd line that is plumbed back to the tank. An "extra" return line is not needed.
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I replaced the fuel pump recently when I did the tank relocation it’s just a supply and a discharge. It’s always possible it’s weak cause they don’t make good parts anymore