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how much overbore can the stock sleeve take?
 

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how much overbore can the stock sleeve take?
Absolutley nothing. The sleeve is nikasil lined and connot be bored out, unless you renikasil the sleeve after for a bigger piston........
The other thing you can do is bore, and sleeve it..........
 

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i think 105.5 with a replate.. the walls start to get thin though and can brake the bottom skirt somewhere around 75 hp Ive heard. To avoid that you either go with a steel sleeve or buy a aftermarket cast cylinder, which can go bigger than 105.5 if desired
 
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