I've had 2 cams offered to me for a pretty low price but not sure on one of them as I haven't heard of it before (ST930).

I'm building a tarmac rally car + maybe some circuit driving and was going down the track of using the 649 as the car won't be used on the road at all basically.

What are peoples thoughts on the ST930 cam, has anyone used it before and can compare it to the 649 in power and torque produced and when it comes on cam and?

Also the 649 is a star drive and the ST930 is a slot drive.

Cheers

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