Is this Crank Bent?
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From: Honah Lee
I do believe you do have tapered bearings for main crank bearings don't you?
This is a more modern TCb with roller bearings but what they are up against to set it up
Last edited by Jackie Paper; Sep 14, 2018 at 07:48 AM.
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From: poway
I suspect that the SS is only a way to hold the bearing.. Only need bronze if the material is the bearing. Bronze wouldn't work well here tho. Sintered bronze even worse as it is really a self lubricating bearing for dry applications and softer than other bronzes.
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From: Poolville
I talked to Scott today. He just happened to be machining a new ring for left side case timkem bearing race.. Appears the old one was made out of iron and because the shaft end play was out so much it created a hammering affect to the bearing which in turn made everything shift and partially block the oil port to the main bearing... . He is going to secure the new ring in place with the Dutchmen method 3 allen set screws @ 120* apart with 10* taper.. Should keep it from moving. Hopefully i shouldn't have anymore issues with that or the unnecessary lateral stress it was putting on IPB. Need to get another one of those as well from Baker, It's toast. Progress is good though.....
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From: Honah Lee
Does not really matter. It is pressed and locked into the cast aluminum case half. Brass, mild free machining steel or SS will work. The harden bearing presses into it. It basically repairing the worn out original case bore where the inner bearing race originally pressed into. Nothing turns or wears on it.
Last edited by Jackie Paper; Feb 17, 2017 at 05:34 PM.
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From: SoCal
I was told by the guy that did my cases that steel wouldn't work as well as brass. I don't remember his reason for that but he did guarantee his work not to fail. Never had an issue with his fix. Can't remember his name or shop name,lol
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From: Poolville
No not 3 hp again. Looking for more like 20... lol....
Remember this thread I started?
https://www.hdforums.com/forum/engin...rank-bent.html
Well it turned out the crank was out .019" on the primary side taking out the left side of the case. Scott is currently machining new parts for the case. So it's going through an overhaul again. DOH!!!!
Sorry Mike not trying to HiJack..... I did repost my old thread though
Remember this thread I started?
https://www.hdforums.com/forum/engin...rank-bent.html
Well it turned out the crank was out .019" on the primary side taking out the left side of the case. Scott is currently machining new parts for the case. So it's going through an overhaul again. DOH!!!!
Sorry Mike not trying to HiJack..... I did repost my old thread though
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From: Poolville
No, I just copied it from the post that bagger replied in over in the Evo section and didn't want to hiJack Mike's coil thread... Thats all, so I figured if any one wanted to reply I left the link there to look here....