Someone Please Confirm!!

[mtlbloodshot]

Basically since Ill be on 16s, ideal setup would be a diff no larger than 3.07

[jrdeamicis]

ZF5 +24v+ e30 is pretty much spot on for a DD-able car with 15" or 16" wheels at 3.07 or so. 2.79 and 2.93 would be just fine for the larger displacement setups (s54b32 or s50b32). a S52b32 could do it also.

Zf5 + 3.23/3.38/3.46 + m52 (6500rpm redline) would be pretty relaxed if running 17" wheels with larger diameter tires.

6 speed is great with a 3.46 for daily driver/hpde use

This is the truth.

[Wanganstyle]

I have an S50/zf/3.46 diff and looking for a 6 speed. Otherwise I'll drop in the 3.15 I have. Too many revs on the highway.

https://www.diffsonline.com/techinfo/GearingCalculator.xls

I am running the e36 driveshaft with e30 CSB. I had to shim the diff down so the balancing weight didn't hit the cross tank fuel line.

ZF5 +24v+ e30 is pretty much spot on for a DD-able car with 15" or 16" wheels at 3.07 or so. 2.79 and 2.93 would be just fine for the larger displacement setups (s54b32 or s50b32). a S52b32 could do it also.

Zf5 + 3.23/3.38/3.46 + m52 (6500rpm redline) would be pretty relaxed if running 17" wheels with larger diameter tires.

6 speed is great with a 3.46 for daily driver/hpde use

[e30rapidic]

zf trans with a 4.10? hahaha. Drive a 325i with a 4.10 in 4th gear on the highway, that's what your 5th gear revs would be with a zf and 4.10.

I have an S50/zf/3.46 diff and looking for a 6 speed. Otherwise I'll drop in the 3.15 I have. Too many revs on the highway.

https://www.diffsonline.com/techinfo/GearingCalculator.xls

I am running the e36 driveshaft with e30 CSB. I had to shim the diff down so the balancing weight didn't hit the cross tank fuel line.

[Roysneon]

No.

[mtlbloodshot]

It wouldnt fit on a E30 chassis with the E36 CSB on the shaft?

[Den_k321]

I got a 328 driveshaft yesterday and before I do anything, gotta know if I can use the CSB thats on it presently or need to swap it for my E30 CSB

im doing S50 swap, and i just swapped my CSB to E30, fits perfect.
ask Blunt its like $25 new...

[mtlbloodshot]

I got a 328 driveshaft yesterday and before I do anything, gotta know if I can use the CSB thats on it presently or need to swap it for my E30 CSB

[Mr.SWISS]

Meh I don;t mind the 3.73 LSD, first isnt that useless, but for a quick launch 2nd is the better option.

Edity: E30S52 is a weekend car, I drive a POS rusted eta M-F

[MR 325]

Shes my Sunday whore

It doesn't matter if you drive it one day a week, a 4.10 will be absolutely horrible. You won't even be able to enjoy the engine's power with such limited gearing.

[mtlbloodshot]

put it this way, at the track i red lined in 4th @ 95mph about 30ft before the line.

it was rediculous! shit, top speed wouldn't go more than 120~ish.

when i did a 3.25lsd i got it up to 140+, YEAH ;)

I don't mind maxing out at 195kmh lol but I appreciate all the advice.. I'm gonna look around locally for a 3.25... As it being my sunday car, spinning wheels sounds like fun

[devon.818]

put it this way, at the track i red lined in 4th @ 95mph about 30ft before the line.

it was rediculous! shit, top speed wouldn't go more than 120~ish.

when i did a 3.25lsd i got it up to 140+, YEAH ;)

[devon.818]

quick take off....sure lol
i had a m50 with that set up and a 3.73, spinning into third and have an worthless 1st gear sucked, yeah it was cool to slide sideways ALL OVER, but hard to control in wet

[mtlbloodshot]

Shes my Sunday whore

[scottinAZ]

My ZF with a 3.73 was shit. highway speeds had me revving about 4K just to keep up. First and second gears were definitely optional. as the others have said, 3.24 TOPS if you want any kind of top end out of it.