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Old 10-03-2019, 01:47 PM   #7
Pete
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Join Date: May 2010
Location: Wa.
Posts: 5,403
Default Re: Cutting domes in 21 stud aluminum heads?

Quote:
Originally Posted by Yoyodyne View Post
Thanks for that, I suspected flat was better but couldn't get a clear answer on that. What deck clearance is minimum there?
.040.

In the interest of economy if you already have domed iron heads, I would run those and just paint them aluminum if you like that color. Saves buying a set of pistons. You will never feel the hp difference in the seat of your pants in a street engine.
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