So I snatched up a 318ti 4.44 lsd and it appears to be about an inch narrower overall than the 318is small case I have. Does anyone know if the shafts have enough stretch to pull the 1/2" per side safely or do I need to swap flanges? I was hoping to bolt the thing in and be ready for an autocross meet this Sunday, but I'm not sure that's possible now. I could have sworn these were a direct swap, but I can't seem to find the thread where it was mentioned.
Quoted from the home page 318is article:
318ti diff width 10 1/8"
Untitled by hatchethairy, on Flickr
318is diff width 11 1/8"
Untitled by hatchethairy, on Flickr
318ti flange width 7/8"
Untitled by hatchethairy, on Flickr
318is flange width 1 3/8"
Untitled by hatchethairy, on Flickr
Quoted from the home page 318is article:
Rear end gear - The 318iS is equipped with a 4.10 limited slip from the factory, but you can do better. The desired gears out there are the 4.27 and the 4.45. You will find the 4.27 in E30 318i convertible 5 speed’s and the 4.45 is in E36 318i automatics. The 4.45 is a wicked, wicked street gear but will stick your RPM way up there on the highway. The 4.27 is a good compromise of performance and everyday use. It should be known that to make a 4.45 work, you have to swap the gearset into your E30’s differential, or find an automatic 318ti, which has a 4.45 and also has trailing arm rear suspension! So the E36 318ti 4.45 bolts right onto an E30, though finding an automatic 318ti with LSD may be difficult.
Untitled by hatchethairy, on Flickr
318is diff width 11 1/8"
Untitled by hatchethairy, on Flickr
318ti flange width 7/8"
Untitled by hatchethairy, on Flickr
318is flange width 1 3/8"
Untitled by hatchethairy, on Flickr
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