well i bought the dart pro 1 aluminum heads and didnt notice till few days later. where the cylinder dowel pin hole is on the drivers side head. the metal is thin and is broke thru . into a water jacket i believe?? will this cause a problem and what can i do to fix it ?

The dowel locator holes go into water in the block and in the head. No worries here, the head gasket will seal outboard of this area.

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Custom Auto, your source for quality machine work, cores and new parts at competetive pricing right here in British Columbia 1-888-563-4050
A Canadian, EH? (with a 10 second street car)

thanks rust.

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Season's Greetings, eh?

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Custom Auto, your source for quality machine work, cores and new parts at competetive pricing right here in British Columbia 1-888-563-4050
A Canadian, EH? (with a 10 second street car)

merry christmas and drunken disordly new year.