Quote:
Originally Posted by rich weyand
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.
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So true!
12 is not near enough.
If you want to fine tune your carb for a bit more mileage you can check and adjust the adjustable part throttle. Info here on that.
http://www.crankshaftcoalition.com/w...4MV_carburetor