Quote:
Originally Posted by Bluebagger06
I thought the whole point of doing trunnions was to get rid of the needle bearings? I know mine dont have any.
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For some that's true, but I didn't read where he had changed them from stock and was wondering if the bearings fell in the engine, maybe I missed where he said that.
My trunnion upgrade still uses bearings over bushings. (BTR v2) The bearings weren't really the problem with the stock trunnions, it was the end caps. Higher lifting cams would make the end caps rotate more than intended and they would come out spilling the bearings in the process. BTR's use basically a washer with a circlip on each end to prevent it from coming off. So far mine have been on 15k miles without issue.