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Posted by Chriscase [76.201.18.217] on Thursday, October 22, 2009 at 23:36:32 :
In Reply to: Re: Idle vacuum TOO high? posted by Glen Idaho [64.126.155.136] on Thursday, October 22, 2009 at 18:03:50 :
1311804 on my D-30 engine makes 130 psi.
Isn't .018 end gap kind of much? .007 sounds more familiar. Yup, just checked my 35-52 Motors manual, .007 at the tightest portion of travel. usually low in the bore, about 2" up from lowest travel. Book doesn't say, but I think the wear limit is about .015? Anybody?
But I still think you ought to try checking the cam timing before blaming rings. PITA as changing timing is, it's easier than changing rings.
But hey, how does it run? Blowby?
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