I figured the need for o-ringing was when 14:1 or more compression or NOS was being used. I may be wrong. I run 12.4:1 and eheads but no o-rings. In fact, I had the heads off for 3 months and re used the Fel Pro gaskets and its still going.
Wang whats with all the pictures it a parking lot.....
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Jack Ferris
RestoRacing LLC
www.restoracing.com
Sandy, UT
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