[j.fro]

I'm glad this post is in the racing forum. In autocross, the difference between a win and second or third often comes down to tenths or hundredths of a second. A launch that boggs down or spins excessively is tough to recover from both mentally and through driving skill.
For me, there are two factors that affect a good launch: tire temp and "launch pad" condition. On my first run I'll rev to around 2500 rpm and let the clutch out quickly, but never with a sidestep. In temps below 60 degrees, that's usually about as high as I can get with out a big spin. When temps are 80+ and the tires are hot, I can get up around 3500-4K and still get good grip. If the asphalt is loose or there's just no rubber down, rpms tend to be around 3k.