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09 600 converted to 800 setup?

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I am looking for anyone who also has the 600 long rod motor with 800 monoblock have any other suggestions for setup, clutching, gearing, and what I should be maxing out at rpm. Any help would be great for 0-1000ft and 9000ft+. I have tried some different things and I don't think it is quit right for this motor.
 
Well I did this to my sled and what I have found to work good so far for mine:

Jetting:
Stock needle position
Fuel Screw 1.5 turns out
470 Main

Clutching:
10-64 gram Weights
Black/Green Spring

Assault Secondary Spring (Black I think)
Can't remember what helix but it needs the same setup for the Assault. This is for a 144" track.

My Egts are around 1050* at WOT so there is still some room for leaning it out, but I like to do long WOT pulls when climbing or sidehilling. Rpms are right at 8300rpms and that is where this motor make the peak HP. I have the Dmax porting, twin pipes and shaved head to run 100 octane.
Hope this helps, if you need some help, let me know.
 
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