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dues70's 1970 Pontiac Bonneville

2020 July
of the Month

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Chuck Randall

Fuel system problem

Question

I have a 64 LeMans. This car has the vent return line from the gas tank as well as the fuel supply line from the tank. My problem is that if the car sits for a couple of days the fuel drains out of the system and the care won't start without priming it. I have changed the fuel pump twice and the problem persists. Can someone help me out here please

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I don't have an answer. But I have a 62 grand prix with three twos that does the same thing?????????????????????

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Thanks guys for the responses. It sound like you guys nailed it . I will have the card rebuilt and see if we can stop the leak from the carb bowl

Appreciate your input!

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 thanks

that is what I thought  

I make sure the two outside carbs are opened often so the gas doesn't get bad.

same in my GTO

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10 hours ago, ofbsac said:

 thanks

that is what I thought  

I make sure the two outside carbs are opened often so the gas doesn't get bad.

same in my GTO

:driving::indian::pontiac:

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