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Old 07-19-2020, 08:23 PM   #10
Senior Member
Join Date: Apr 2011
Location: Plainview, Texas
Posts: 607
Default Re: 1936 aluminum heads dome/no dome

Originally Posted by Blastfromthepast View Post
By looking at the pictures Itís still not clear what the differences are.
Maybe Iím missing something. Do the markings on the head determine
if the head are for dome pistons? I was told once that weíre the spark
plugs sit the round indention have two different sizes. The larger round
Indention is for dorm pistons.i donít know if thatís a fact but thatís what
I was told. You should be able to just turn them upside down and see a difference but I donít know what the difference are.
Can you post a pix of your heads? What are the numbers on your heads?

40 48 68 prefix??????
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