Muddin_dude06
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- Joined
- Sep 10, 2007
- Messages
- 2,541
PM 97'ctd he has a 4gsk for sale and there is also one on e-bay. You can shim it to get more RPM if you really need to, but I wouldn't. Unless you got a fully balanced rotating assembly I wouldn't touch anything over 4000-4100rpm.