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Old 12-30-2019, 11:20 PM   #5
Sean Cour
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Default Re: NHRA 2020 Rule Amendment SS Intakes???

Quote:
Originally Posted by bykr View Post
look at it this way.if a cylinder head had 200 cc port volume and you mill away 20 cc's with this angle milling. You now have a head with 180cc's that you can open up to the 200cc spec. Which then could perform like a non angle milled 220cc head. Why else would they do this?
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Last edited by Sean Cour; 12-30-2019 at 11:46 PM.
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