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Old 10-03-2019, 12:08 PM   #6
Yoyodyne
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Join Date: Nov 2010
Location: Lancaster PA
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Default Re: Cutting domes in 21 stud aluminum heads?

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Quote:
Originally Posted by Pete View Post
An ultrasonic test will give you the best answer.

A bit of trivia. Flathead race engines that develop over one hp per cubic inch naturally aspirated use flat top pistons and flat no dome heads.

Thanks for that, I suspected flat was better but couldn't get a clear answer on that. What deck clearance is minimum there?
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