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(Bauce)
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Discussion Starter #1
I have a spare engine from a 2012 with rod knock and have been looking at different ideas. So far my idea is 2017 up rotating assembly and head with milled jug and crower cams. try to get close to 13.5:1 with a slightly newer valvetrain? Any ideas guys? I see on 2017to2020 throttle body size went up to 48mm and 2021 is 52mm tb's so looking into having mine bored but not sure how far they can go. Any ideas or input would be great guys. Just wanting to build the bike enough that the bmw and gsxr guys cant catch me in the straights. Currently i'm waiting on carbon fiber bellmouth and carbon fiber ram air tubes from overseas to help the flow with my pipercross filter.
 
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