I've been messing with project old school (pro .15 version) for a few days now. I had just finished rebuilding the front end with the proline wide max kit and proline cvd's as I started on the back half I got to a problem the HCR metal diff collars I had lying around refused to fit onto the Plastic diff cases. I nudged it on with a rubber malet but once it was on the diff wouldn't rotate.
I tried to pull it off but it's on there good. So at this point I'm in the market for a new rear diff. I'm looking for a good solid rear replacment. I'm also going to need the spool.
My question is can I use any housing? Say one for the 3.3 and can I buy a different gearing?