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'72 Cheyenne K10
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01-29-2022, 11:13 AM
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jimbosprint
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Join Date: Jul 2014
Location: Chico, California
Posts: 941
Re: '72 Cheyenne K10
Quote:
Originally Posted by
Jiggers72-GMC
Right on Jim, what's in that bottle beside the oil filter ?
Red Line 81403. It's a break-in additive with zinc for the flat tappet cam. I use half a bottle with each oil change.
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'72 Chevrolet K10 Cheyenne
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