MJPower engineering

Camshaft Design Software 

Camshaft Construction Software 

Software for Tuners:

Cone unfold Program, eg. expansion Chambers

Illustration of the oldfashioned way to draw an unfolded expansionchamber.

Some old RG500  production racer  expansionchamber drawings.

Calculate iregular Port area from a scanned Picture

Some helpful Excel files

Compression calculator

Centerline calculator

Dual engine setup driving force calculator