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M8 cpc stage 2 best gearing

What is the best gear ratio to run on a turbo M8 on about 10-11 pounds, stock is 57/63 and the 2up is 59/61 then there is a 61/59 gear set. I am having problems keeping the rpm down, have added so much weight to the primary that I have a nasty bog off the bottom end. I was hoping if I geared up a bit I could lose some weight in the primary and keep the rpms down. Any advice with the black diamond gear sets??

Thanks Joe
 
black diamond gears are great, I wouldn't gear it any higher than 57/63. I had 60/60's in mine and like the 57's better, more bottom end. what do you have for clutching right now?
 
I have seen to much weight cause the primary to slip, you should call cutler and see what they say. and clean everything, maybe you have a broken clutch, helix or binding going on. Or a softer spring.
 
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