Drill or not

Old 09-02-2014, 06:41 AM
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Join Date: Jan 2004
Location: grove city,oh.
Posts: 58
Default 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.
cervidog is offline  
Old 09-03-2014, 07:51 AM
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Join Date: Mar 2014
Posts: 244

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.
BigBlockMark is offline  

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