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valve clearance on 1971 B20E 1971

uid 18886's pic
posted by  sdewolfe on  Mon Nov 26 03:10 CST 2007
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last visit: Mon Jan 31 05:56 CST 2011
[RELATED]

George,

I got that .017" figure from this page:

http://home.mindspring.com/~voluparts/engines.htm

The only B20 they show at .021" is the B series. The same holds true for the B18B. All B30 engines are shown as .021".

At first I thought the difference must be the height from the deck to the rocker axis. The B20E is the highest CR red block configuration at 10.5:1. But looking at various CR configurations for the B18/20/30, I see no correlation between CR and valve clearance specs. Maybe it is a difference in the height of the cam lobes?
--
Mr. Shannon DeWolfe -- (I've taken to using Mr. because my name tends to mislead folks on the WWW. I am a 51 year old fat man ;-) -- KD5QBL






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