Apologies up front that this thread is not specifically about a DSM transmission, however when googling for forums that seemed knowledgeable on gearbox shimming, bearing preloads etc, this forum seemed to have a lot of knowledgeable people, so I'm hoping I'm allowed to ask my question here...

In the photo you will see the intermediate shaft assembly sits slightly higher than the input shaft assembly in the case. I believe this is causing too much clearance between the input shaft bearing race and the case which doesn't crush the solder at all when assembled. I did replace both top...

I have a few questions regarding shimming my rear differential pinion gear. I am currently rebuilding a 4 bolt rear diff and I have .015” backlash. Looking for maybe some reference on how much shim to add to the pinion.Also curios if this is a safe website to order a shim pack from? You must...

I have a 1990 GSX. I'm confused about the whole shimming/fork vs syncros thing.My 1st gear grinds while rolling almost all the time, unless I go super super slow. At a complete stop it is fine. 2nd grinds below 4k rpm. I have a little bit of play from shifter bushings I presume.At first...