Re: 1986 GMC Sierra Classic - Flatline
In tearing everything apart, we have made a discovery. Originally, I thought the truck had 157,000 miles on it. After tearing into the internals, it differs from my original thoughts. The truck appears to have only 57,000 original miles on it.
All gaskets are original, the head gaskets are still metal. The distributor and intake valley are stupid clean. The cam looks great from the topside, etc. I guess it's better to be lucky rather than good!
While I'm in here, the truck will be getting a new thermostat, vacuum hoses, and probably radiator hoses. Here's to hearing her fire soon.
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