rowanhol 0 Report post Posted September 17, 2007 I'm pretty sure its a medium case?? has 6 bolts around half shaft flanges.. 3.91 ratio, out of a 91 525 has been welded up, new oil.. was going to use it in my car but i need a large case..Doh keen on swap for a large case or make an offer, wanting over $100.. i'm in chch 027 696 2778 Quote Share this post Link to post Share on other sites