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View Full Version : Shims for the OS91SZ


Roxxter55
03-27-2007, 05:16 AM
Hi I need some help here

I have the SZ With the webra pump (like cline pump) + Viperhead
But I cant get the engine run smooth/tail shaking, and have to run the engine to the lean side before its ok
sound a little metallic like, so I think I have to shim it right, any ideas I am using 20% nitro?

Current shims is 0.08 + 0.04

Br

Soeren