Quote:
Originally Posted by learyw
I pushed the timing to 12 deg this morning and re tuned with vacuum. I read a few other posts confirming I need to run around 12 because of my altitude here in Denver. It feels better than it has in the year or so Ive owned it. We'll see if it makes a difference in milage. Either way, I feel like I just got a great kick in power.
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Note that at high altitude, the thinner mixture burns slower and you can go to higher advance. Most people can run an sbc at 16* BTDC at sea level, so you could probably go as high as 18* BTDC.
More is better -- more power, better gas mileage -- as long as you aren't pinging.