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Old 01-24-2018, 08:43 PM   #11
SacredSloth
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Join Date: Jan 2018
Location: Tucson, AZ
Posts: 8
Re: 1969 c10 wont start

Quote:
Originally Posted by Mike C View Post
Did you run it on bad gas at all? Believe it or not, old gas if it starts and runs can cause a valve to hang open after it cools off. Intake valves not closing could cause a no start.

That's probably extreme BUT if it has gas and spark and won't start you've got to look at other options. Nylon gear timing chain slipped?

I like to use pre-mix 2 cycle gas to try and start motors as they provide some cylinder wall lubrication. Fill a paint thinner can cap and dump it in the carb, crank it over and see if that works. Then I'd be looking at fuel pump or carb.
yeah it had some terrible gas. we've replaced it tho. ill try that out. i put seafoam in it. a couple days ago hoping that would clear it out
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