Torsen

Would you guys steer clear of this ? I dont know if it would be worth it to try and make it work.

It's cheap enough, but you'd have to have it installed and have the run-out adjusted by someone who knows what they're doing. As far as the 'clicking' goes, it's hard to say.

This one says it's an 'open' diff, but it doesn't look like it. http://cgi.ebay.com/ebaymotors/MAZDA...spagenameZWD1V

So remind me... when you can see through it's an LSD, right?