Reply to "Frozen head bolt / engine reconditioning"

panteradougMember

Allen socket bolts are not the best of ideas to use on high tensile loaded applications.

Unfortunately they strip out very easily. That is probably why torx seem to be so common now on new cars?

Chances are that bolt is going to snap off right near where is enters the block.

In that case be prepared to bring the block to a machine shop to have it bored out like Marlin has suggested.

1/18/186:17 AM

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