Engine Tuning Calculator - dew point
75deg
74 Rel. Hum.
30 Pres.
160 Alt.
100% horsepower
dyno'd tuned at 540, 42lb good for 560
36hp/pound so 1/2 pound more at 100%-110%(the max. hp) should be optimum and safe.
11.4CR motor, 11.6AFR at 540, no more then 11.8AFR should be around 560 or another 1/2lb of boost. I have the low boost 11.0AFR setting which is for reference.