Simon Quested wrote: > > Hi All > > Well I decided to shell out the $40 for the program... My "home dyno" came with an Isky Cams catalog in the 60's. It is a cardboard sliderule type and believe it or not I find it gives me closer estimates using wt & 1/4mi trap speed than I get with the online programs I've tried. The hp is at the crank. John O