Rather than discuss the peticiulars........here is my take on the order of importance.........and there is no one thing that gets this under control ....it's a combination of things.................listed by my experiments in degrees......(as measured at the top end)
1. Carburetion -15
2. Air Flow -10
3. Oil Cooling -5
4. Compression -5
xsjohn
1. Carburetion -15
2. Air Flow -10
3. Oil Cooling -5
4. Compression -5
xsjohn