Quote:
Originally Posted by midgainc
I had a carb rebuilder tell me the other day that you are wasting time trying to adjust off of an inaccurate timing tab bolted to the timing chain cover. his advice was to put a vac guage on the intake and adjust the timing for the highest vacuum, which should be in the 17-19 in range. I have not tried it, but i will when i start mine soon. it makes sense. the engine will produce the highest vacuum when it is happiest.
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And if you set it like that you'll burn a hole in the piston's when it detonates.
Use a good dial back timing light.