Originally posted by Craig911
Dunno about the cam drive, but 964 cams in my 930 work reeeeealllly well.
Do you have the factory turbo scavage/return pump? If so, it's driven off of the driver's side cam, but most cam grinders can add that drive to any set of cams. I wanted to know because there is a Porsche wrecker within driving distance where I know I could scrounge up a pair of cams that I could physically check/measure before I took them. But, if I have to send them out to be modified anyway, I might as well have webcams or Dougherty make a set with the drive on them.
I have also heard the same WRT the 964 - supposedly a great grind for a CIS turbo with a definite power increase and no loss in drivability, unlike the Gruppe B which I understand is really bad at low rpms.