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Re: Rod Knock when cold - Ever had this happen?
most of these piston slap comparisons relate to later model Gen 3 engines….the LS based engine was prone to some piston slap when cold…..not so much for the 250 inline 6
Rod knock is hard hammering…I can easily tell but I suppose someone unfamiliar could be uncertain?
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1967 C10 Step side
1968 C10 Step side
1970 Chevrolet K/5 Blazer
1972 Chevrolet K/5 Blazer
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