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cervidog 09-02-2014 06:41 AM

Drill or not
I am looking for a show of hands,to drill my sbc heads for 400 steam holes or not? This is what I am running in my bracket car.

BigBlockMark 09-03-2014 07:51 AM

If it is drag race only, you do not need them. Assuming you are putting them on a 400 block, you might want to consider tapping the steam holes in the block and plugging them. May prevent cracking from steam hole over to cylinder or bolt hole.

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