someone may have taken the efi pump out of the tank and used the return line for the low pressure fuel line,what carb are you running? on a holley you can change the jets and the cam on the throttle shaft.You need to find out what pump you have and check the fuel pressureNot to thread jack but,
On the car I recently purchased, I've been looking it over to solve a rich idle problem and found a stock looking pump mounted in front of the tank hooked up via rubber hose to the metal line.
Then in the engine compartment I have a rubber hose from the metal line goin directly to the carb, with no regulator in sight anywhere!??
Also the return line is not hooked up??
Are these my problems? or are there low pressure pumps made for this that maybe the OP could use?
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