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Old 02-09-2021, 11:21 PM   #7
L.Fite
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Default Re: Typical header dimensions

Quote:
Originally Posted by GTX JOHN View Post
Sometimes 2 1/8 on our Max Wedges -I would think
maybe a bit bigger than 2" on Big Block GM.

However, I have not raced a big block Chev. since early 70's
so what the Heck would I know. Maybe a Step starting @ 2" and
going up?
A "stock" BBC exhaust port is right at 1-7/8 in it's major dimension, maybe slightly more or less.
(Measured with a tape.)
So there's that...
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