When rebuiliding a 4.3 v6 do i need to replace head bolts or use the sameones?
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1999 Chevrolet Blazer
Question: head bolts
Answer #1mastertech6371 May 30, 2011, 08:52Master
cast iron heads to cast iron block, you can re use the bolts.
aluminum heads to cast iron block, the bolts must be replaced.
you have cast iron heads, so it is ok to re use.
ReplyVisitor, June 20, 2011, 08:31
That is what I thought but, I bought new bolts and man you have to strech them petty far to get them tight.