Quote:
Originally Posted by Stretch
With the non turbo you have the fast idle knob which probably helps with the 1000 rpm vs idle problem.
I'm not sure that the discrepancy of 4 degrees can be explained by a difference in 350 rpm though. The timing device alters a maximum of 7.5 degrees (was 6 degrees for the pre-1980 non turbo engines). I don't think the timing device is meant to do anything below 2000 (may be 1800) rpm - so that's about 1 degree for about 400 rpm ( {5000 rpm - 2000 rpm} / 7.5 degrees )
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Well, I took a shot at the reason for the discrepancy.
Without the timing device as a factor, it's a significant difference between 15 and 19 degrees.
I now wonder if the specific equipment utilized, and/or the procedure utilized will result in this difference..............not a good situation.