Originally Posted by PhilM
Why not use the Sierra stuff mate?
Id just make a flat 36-1 plate, i expect a few places sell them already!

Just mount the VR sensor then.
Don't like the Sierra stuff as I am lead to believe the whole pulley needs machining to fit and the alternator requres messing with etc.
I have already drawn out 18-1 and 36-1 wheels ready to be made....