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Thanx for that Demon ,didnt know that it existed ,I didnt want people to think that I was crazy or stupid for being old skool!... :hehe: :hehe: :hehe:

Here is a quick vid of this engine that someone had cut the crankshaft ,half of the threads have been cut off ,this is the same guy that I can have a vid made on how it is done ,with correct thread sizes!.. :cool:

I been trying to find a vid on about the crankshaft thread mod ,but since it is old tech ,it is hard to find one ,but I can ask a guy to do a vid & write up about it ,but he does show a vid of an OScvr cut crank ,you can tell because the threads have been shortened!.. :cool:

LOL...OS parts are way too expensive just to change over ,you may as well buy a new engine!..:hehe: All you need is part of those threads cut off so the collet has enough space to bite on ,that is why you can't put shims there ,once you cut part of the threads off ,there is no shims needed ,only...

Not sure the thread size ,I only showed the pic so you know what the part is! Cutting crankshaft threads is old technology ,people had to do it years ago!..:cool:

That was the purpose of a cut crankshaft ,once you shim too much ,there is no more surface area for the collet to bite to ,so therefore ,you have to cut part of those threads off!..:hehe:

It has been years since I messed with my OScvr 18 ,I have to look at it an see what it has , but I am quite sure that it has the ground crankshaft an the one piece that goes against the bearing of the engine is removed ,I think that is called a drive washer ,then the brass collet goes there an...

I think that threaded shaft takes a pilot that threads on to it ,but people cut some of the threads off on what they call a cut crankshaft ,then you thread a pilot shaft on it ,you dont have to buy a whole new crankshaft ,all yuo need is the pilot shaft!.. :thumbs-up: