Is it illegal to have a welded diff?

Welded diffs are perfectly legal, I had an MOT Tester look into it. Upto you if you inform insurance, you should do so. Welded diffs give more grip, this is fact. Many vehicles sold today have locked diffs as standard, this acts the same as a welded diff.

Can you weld 350z VLSD?

Welding a VLSD (as Mitch said) is easy. The holes in the differential are smaller but that’s it. i have actually done it myself and it was very easy to do. first time i used to much shim and it acted like a welded.

How does a welded diff work?

When a differential is welded, the axels are almost strung together and both wheels will rotate the same revolutions as each other. The wheels are now spinning at the same speed through a corner. Since the outer wheel needs to rotate a lot more than the inner wheel.

What kind of differential do I need for a BMW E36?

Really your problem isn’t the gearing but the massive flywheel lamped on the back of a not-very-powerful 2.0. Get him to find a 323i auto diff, that’d be the ultimate really, it’ll fit your car but you’ll need to source a pair of 325i driveshafts, which will be dead easy to find.

What’s the differential ratio on a BMW 323i?

Only problem is he might not be able to find 323i auto easy and judging from RealOEM only japanese/international version has the 3.64 ratio. Is this right? I’d love to do it but might have to offer him the easy option, if I don’t want to wait another 6 months, and let him supply me with a 318i/320i manual diff.

What kind of disc do you use for ZF 328is?

So if you’re running a ZF E36 M3/328is trans, you will use an E46 M3 plate and E36 M3 Disc. PMC offers a Tilton Twin Disk with their Flywheel and Transmission Adapter, great and highly recommended for drifting:

Which is the correct clutch pressure plate for a BMW 328is?

PMC says 240mm but thats too vague since the bolt pattern of the most popular 240mm isn’t correct for how PMC sets it up. The correct clutch pressure plate to use is E46 M3 then you match you disc with the trans. So if you’re running a ZF E36 M3/328is trans, you will use an E46 M3 plate and E36 M3 Disc.