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Re: 55' Chevy truck tune up specs?
Posted to Technical Discussion Forum on 12/12/2009 7 Replies

I see you've gotten some input already from some seasoned veterans, but here's what I'd do it were my truck. Points gap at .016 to .018". Spark plugs gap at .035". Valve lash .008" intake, .012" exhaust. Ignition timing just a bit advanced of the flywheel ball... Login to read more.

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