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Username Post: fuel line from pump to carb question
Senior Member
Posts: 153
Loc: Philly
Reg: 02-27-02
12-18-19 05:45 PM - Post#2782438    

I have a 71 with the factory 350 and quadrajet carb. The factory fuel line runs behind the water pump and in front of the timing chain cover. I recently replaced the water pump and the replacement pump has a less space between the back of the pump and the front of the timing chain cover. The compensation is in the pump's snout which is longer. The pump overall depth is correct, pulleys line up fine so it's not a short vs long pump issue. I'm guessing in later model years the water pump dimensions changed somewhat.

Now I'm getting intermittent vapor lock after the car has been run, hard starting. I assume it's because the fuel line is getting hot given there is no real circulation there. I'm thinking I'm going to re-bend a custom line around the water pump unless someone knows of a later model year carb line that would fit my application or has dealt with this problem in some other way.

I called tech assist at Right Stuff but they couldn't help me.

Anyone else have this issue?

Thanks, Mike
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