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modeleh · 01-13-2019, 09:02 PM

I have a set of Weiand heads 8.75 stamped at water neck. They are 59a style so I presume the CR was calculated based on a 239. What are your opinions on installing them on a 8ba standard bore with 4” crank? I have read that Flatheads don’t work great past around 9:1
If a guy were to build a 276 would you run these heads?

01-13-2019, 09:02 PM	#1
modeleh Senior Member Join Date: May 2010 Location: Nanaimo BC Posts: 242	Weiand 8.75 Heads I have a set of Weiand heads 8.75 stamped at water neck. They are 59a style so I presume the CR was calculated based on a 239. What are your opinions on installing them on a 8ba standard bore with 4” crank? I have read that Flatheads don’t work great past around 9:1 If a guy were to build a 276 would you run these heads?