Re: Sacrificial wire inside C69 Block?
These blocks are sand cast. Quite amazing. Look up sand casting, you need to vent the air on a pour. If all the casting sand is out (not always so) your good. It's amazing how much sand is in the rear of these blocks (usually your heat issues) without knocking it out.
Cut that nub off.
Last edited by Tinker; 09-07-2019 at 12:24 AM.
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