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Re: '72 Cheyenne K10
It was my understanding that the return fuel line (which this truck has) prevented vapor lock. Maybe my fuel pump is bad? I drove it around the block and it ran a little rough but didn't die. I have a suspicion that I messed something up when I replaced the exhaust manifolds. I should pull the spark plugs but it is too hot and smoky out to work on it now.
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