Opinions wanted ( analysis of the effects of spark advance variation on vacuum)

[Ron Schroeder]

At 10:04 AM 9/21/01 -0400, you wrote:
<snip>
>My theory was based on for the same given RPM (900 rpm) the spark advance
>which yielded the highest vacuum would give the best fuel economy.<snip>

How constant was the idle rpm held?  Small changes in idle speed can give
signifficant vac. changes.

Ron Schroeder
WD8CDH
E. E. S.
wd8cdh at bnl.gov
rjs at bnl.gov
ron at 112motors.com
631 344-4561 Day
631 286-5677 Nite
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