As I was disassembling my 833 today I noticed the front 307 bearing fits the case pretty loosely. I dont believe this is normal as it is going to "spin" in the bearing bore, and it will allow abnormal wear if I leave it as is. I dont have another case. I was thinking about boring it out and using a 308 bearing instead. My trans is a 23 spline input shaft. Other than boring out the case, would I have to change anything else, such as the front bearing retainer housing?
