Kustom Bitz Dyno – [Excel file] Calculate engine theoretical horse power and torque. Enter camshaft specifications and see how they alter the characteristics of your motor. Optimise your final drive gear ratio for power or economy. Estimate quarter mile et and optimise your rpm / gear shift points. Calculate carburettor size, cubic inches from bore & displacement, compression ratios and how much to mill of the deck and heads to get compression higher. Calculate piston speed. Calculate cam shaft lift at the valve, work out lobe separation angles and valve timing events when retarding and advancing the cam. Calculate mileage, Speedo accuracy and effects of tyre diameter change.

 

> Download Kustom Bitz Dyno

 

Chassis Bench Plans – [pdf] A simple example including plans of how you could build a strong versatile chassis and welding bench for the home workshop that is also relatively easy to store.

 

> Download Chassis Bench Plans