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Re: Vapor lock percolation?
Quote:
Originally Posted by Ltpowers
Update. Got my timing and 12.5 degrees I believe.
Switched to vacuum at idle and have not dealt with whatever was going on
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Set your initial timing with the vacuum advance UNPLUGGED and the fitting on the carb capped. Make sure idle speed is around 600-700 so that the mechanical advance is not beginning to advance your timing. Shoot for around 12-14*. Then, reconnect your vacuum advance to manifold vacuum ( the lower of the two ports on the front of your carb ). You will find it idling a few hundred rpms higher like this. Then, adjust your idle speed accordingly ( 800 or so in park, depending on cam profile ). Once this is done, proceed further. As has been said, you need a 10-12 gauge wire with 12v feeding your HEI. Not a resistor wire. 12v with the key in the run position.
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Chris
1966 Chevy C10 LWB, 434 sbc, TH350, 12-bolt, factory suspension, pump gas
7.02 @ 95.8, 1.45 60'
1965 Chevy C10 LWB, 355 sbc, TH350, daily driver
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