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tubman · 01-04-2020, 12:08 AM

I'd be very surprised if the stock heads (if uncut) wouldn't have a lot f room. Given the 8CM's were 6.8:1, with the 4" stroke, there is a lot of room. I had over .100 on a set of 8BA Edmunds Custom heads and I had to have them milled to get the squish right.

01-04-2020, 12:08 AM	#15
tubman Senior Member Join Date: Dec 2013 Location: Minnesota, Florida Keys Posts: 10,320	Re: Valve to head clearance I'd be very surprised if the stock heads (if uncut) wouldn't have a lot f room. Given the 8CM's were 6.8:1, with the 4" stroke, there is a lot of room. I had over .100 on a set of 8BA Edmunds Custom heads and I had to have them milled to get the squish right.