Thread: 72 C20 Project
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Old 06-17-2018, 02:04 PM   #29
BlueChev72
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Join Date: Jan 2018
Location: Little Rock, AR
Posts: 66
Re: 72 C20 Project

Update on my vapor lock issue- I tried replacing the gas cap, but it vapor locked again. Then I tried wrapping the headers. That actually came out really nice, and it keeps it a lot cooler under the hood. It still vapor locked. Then I pulled off the gas cap, and there was a “thunk” from the gas tank releasing a vacuum. So that’s two defective gas caps in a row. What I’ll do is drill a small hole in the gas cap. I’m not worried about it at the moment, however. Pictures will come later, but I have the interior disassembled to do cab corners, rocker panels, and a few floor patches.
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72 C20 Custom, Long Bed, 350 / 4 Speed Manual. "Trash Truck"
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