88big644 Followers, 353 Following, 144 Posts - (@88b_boss) on : @hnbaram1 @g__namibori @ho__geolStage 2.5: Carb Rejet and Tune. Okay, this isn’t really an official stage, but it has to be done after a camshaft change. It doesn’t matter whether your Twin Cam 88 is carbureted