Re: Carbon Buildup and Stuck Valves
So all the oil companies that recommend zinc for engines are wrong just because You think zinc is not needed? Funny. And 5-50 is not the GM spec for these V6's by the way. I don't care how many engines you've rebuilt. lol Just cause you can rebuild an engine doesn't mean you know them!
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"Excuse the rust I use my truck"
1964 GMC 1500 305E/sm420 4 barrel intake mod and dual exhaust.
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1964 Chevy C20 292/SM420
1966 Chevy C10 292 hotrod 6/TKO600
My youtube channel aka Military Chevy:
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