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Old 07-16-2014, 02:35 PM   #1
CAChevy
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Join Date: May 2014
Location: Visalia, CA
Posts: 23
Computer Controlled HEI Base Timing

The CA emissions sticker (XFF) on my '84 w/original 305 says to set base timing @ 6 deg. That seems a bit low to me. I was thinking more along the lines of 10 deg.

I've swapped in a 350 keeping all the smog/computer controlled items. The cam I'm running is a Comp 12-235-2.

I'm curious what base timing you guys with the electronic HEI, CCC Quadrajet and ECM with O2 sensor are running?
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