cam duration and installation settings

[wouter86]

I saw how they measured cam duration and lift in a creative way, they had some sort of wheel between the ratchet and the socket ( it think it are those wheels you also use for some bolts that need to tightened to a degree specification instead of newtonmeters, like head bolts)

With the cams mounted you have to put the first cilinder at the top dead center, now you use the a ratchet in combination with the wheel (the one I saw had steps of 1 degree).Now turn the crankschaft 1 degree and measure the lift by measuring the distance between the shim and the cilinder head.turn another degree and measure again.

if you have done the degrees between opening and closing of the intake valve you can put youre measurements in a graph.

On the X axis you put the degrees and on the Y axis you use the amount of lift measured.

I don't know how accurate this is but it should give you an indication of your cam profile.This method can also show you why 2 cams which both are 272 degrees and have a lift of 8mm have a complete different effect on the engine, with this method you can also see how fast it is opened to the specified 8mm and closed as well.

I hope it makes sense haha

Good luck!