Originally Posted by
carpetburner
I have ... All it did was destroy the topshaft . The plastic KYOUMW513 gear lasted longer . My best results have been from running the sp idler and the carbon KYOUMW504C gearbox. Also I run my gearbox bone dry otherwise dirt and debri just sticks to everything tearing it up faster. Don't ask me how it gets in their but it does .Still cant believe a kit this expensive has such a week transmission
Thanks for the reply, well i better not use it as well. It is really annoying for a kit priced that high. Anyway, does the carbon gearbox offers better stiffness and protection from dust? As my last resort i am thinking of going to a precision machinist to make metal gears all the way!!!