Thread: Valve sizes
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Old 04-25-2021, 01:11 AM
cfmcnc cfmcnc is offline
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Quote:
Originally Posted by ho428 View Post
69 #46 heads.
I could just upsize them to 2.11's but was wondering if going to the 2.20 and leaving the 1.66 would be better than the 2.11-1.77 on a road race engine.
Go to the bigger intake valve with corresponding port crossection work .OK to stay with the 1.66 EX.Have made 1138HP with 1.66 EX NA.

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