cold advance - is it really needed?
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Postmaster
Joined: Apr 2008
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cold advance - is it really needed?
I decided to do an experiment today, and unplugged the cold-advance harness off the solenoid in the IP, then proceeded to starting the truck. It was 20F outside, truck was not run for over 20 hours, and it did not receive its regular block heater treatment either. It felt like it started easier, ran smoother, and didn't smoke anywhere near as much as it does normally at similar ambient temperatures. Fast idle worked like it always does, no issues there. I remember several folks here posting similar results, which was what got me to try it in the first place. Anyone here exprienced the same thing? Any idea as to why it is like it is? My IP is advanced over stock timing, so that may have something to do with it?
