Shift Rpm

The porting can make 2-400 rpm diff but typically I would shoot for 8-8200 rpm. Might be worth a trip to a dyno to see where the exact sweet spot is for the pipe-porting combo..
 
Great set up... You better buy roller bushings and get good at changing them. The resonant frequency at that rpm beats the crap out of the primary clutch roller bushings.
 
If you are serious about racing that sled you gotta do 2 things
1 Get it on an engine dyno with the pipes & porting
2 Get the tach calibrated
 


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