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[T3] correct idle setting


Hey All.....I just went thru the Bentley method of setting the timing on my 
'72....dwell is perfect...everything seems ok, except that in order to 
achieve a normal idle speed of 850, the speed adjusting screw is 1/4 turn 
away from being turned in all the way to bottoming....
When I pull and plug the 2 vacuum lines to the dist.to set the timing, the 
speed rises a bit....high enough so that I cannot use the speed screw to 
get it back down to 850.....it only goes down to about 950, so that is 
where I have the 5 degree set at.......I would think that I should be able 
to turn the speed screw in enough to stall the motor, but it 
doesn't.....(btw, new plugs, new injectors and seals, points, 
condenser...and I reset the TVS).  What conditions would make the idle not 
want to come down to spec.?
the only thing I didn't do was have the air cleaner in place, because I'm 
just running it in the garage right now.....would that matter?

Also, this is a replacement engine block that starts with a "U", but I 
still should set the timing as a original block at 5 degrees because I'm 
using all the electronic components from the original '72 engine (intake, 
TVS, 2 hose distributor, brain), correct?



Dave Pallo
Hers: '72 Square (in process)
His: '96 Impala SS....Sunny Sunday's only

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