Stop in for a cup of coffee

Ddaddy said

For example, my advance curve is 22° initial with mechanical advance coming on at 1200 rpm with 23° more all in at a 3200 rpm (45° total). My vacuum advance adds 5-7° at 15" vacuum...but I only use the vacuum advance when temps are below 70° F or it can pull lean and cause detonation at part throttle.

Click to expand...

Sorry I forgot the curve. Right now my mechanical starts @ 1200 and ends at 3200. I just picked up the curve kit from Summit for my MP distributor, so I would like to mess with it to fine tune it more. My vacuum can I have no idea what it adds.

My distributor was set up for racing originally and mechanical started @ 900 and was all in by 1400. So I slowed it down, to what I mentioned above.