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Old 10-07-2020, 02:05 PM   #3
PalAl
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Join Date: Jul 2016
Location: Orangeville Illinois
Posts: 461
Default Re: Compression Test

Quote:
Originally Posted by DBSHELTON View Post
A few weeks ago I installed a 6:1 head and checked the valve lash. Runs great, what a difference! Checked the compression yesterday 102# 92# 92# 102# Is that about right for a .100" overbore engine? Last year with stock head: 66# 66# 70# 69# Both times I checked cold with all 4 plugs out.
Hey DB, I am curious, have you made any other mods to your engine besides the 6:1 head? Everything else stock? How was your head when you got it, did it require and machining to get it true (flat)? I have been told of some untrue heads right from the supplier. Thanks
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