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-   -   4.1 lsd slowed 325e down (http://www.maxbimmer.com/forums/showthread.php?t=29040)

objec 02-16-2004 03:52 PM

4.1 lsd slowed 325e down
 
just put a 4. lsd in a 325e and a major speed difference, slowed me down alot, 5th at 4000rpm id say maye only like 80 or 90 mph

can i take the guts from the 4.1 and turn the stock differential from the 325e into a lsd?

or is there another way to get my rpms back, maybe a e30 m3 tranny, will that work?

Digitalwave 02-16-2004 03:55 PM

A 4.10 is WAY too short for a mostly stock 325e. A 3.46 is about the max that you want. Sell that diff and get something else...

objec 02-16-2004 03:56 PM

can i swap the insides and just make the old one lsd?

Digitalwave 02-16-2004 04:13 PM

Nah...

punnzzells 02-17-2004 04:51 AM

even a 3.73 is pushing it... but a 3.46 would be NICE! I would love to grab one for my E...

Mike.

Eurostyle 02-17-2004 07:55 AM

Quote:

Originally posted by punnzzells
even a 3.73 is pushing it... but a 3.46 would be NICE! I would love to grab one for my E...

Mike.

Nah...I was VERY happy with my 3.91...very nice way to enjoy those 200lb of torque!!! Never needed to downshift, you just punch it, and it goes!

Mystikal 02-17-2004 02:09 PM

Quote:

Originally posted by Eurostyle
Nah...I was VERY happy with my 3.91...very nice way to enjoy those 200lb of torque!!! Never needed to downshift, you just punch it, and it goes!
It may have felt faster, but you really lost a lot of the powerband.

Digitalwave 02-17-2004 03:53 PM

etas only have 170ft/lbs.

Skunk#1 02-17-2004 04:00 PM

objec has 250 hp from his. still want to see proof, go get some dyno slips.

Eurostyle 02-17-2004 05:05 PM

Quote:

Originally posted by Digitalwave
etas only have 170ft/lbs.
Did i say it was stock!:)

Eurostyle 02-17-2004 05:09 PM

Quote:

Originally posted by Mystikal
It may have felt faster, but you really lost a lot of the powerband.
When the speedo is showing 190+Km/h, and we consider its not 100% accurate, so lets say it was 180...thats still VERY good for a car with over 400000 original Km, and a 3:91 repalcing the stock 2:73....

chromius 02-17-2004 06:46 PM

Quote:

Originally posted by Skunk#1
objec has 250 hp from his. still want to see proof, go get some dyno slips.
LOL, you beat me to it! :D

lvan 02-17-2004 07:44 PM

Hey Euro your E30 has 400 000? aaiiiiiii So I am perfect with 200 000 somthing hah yeah but that is only with 325E NOT I head?

400k wiht your white car or otherone

BimmerKris 02-18-2004 02:07 AM

I'm pretty sure i got a stock diff in the back but mine has posi already. Creating an LSD is just a matter of welding the the trow out gears together. But then it's constant. is a new diff a huge gain, i'm pretty impressed with the stock one. I have done alot of work to the motor and it plays the powerband nicely.

BMW_M52_M20 02-18-2004 12:26 PM

Quote:

Originally posted by Digitalwave
etas only have 170ft/lbs.
A chip will bring an ETA up to 200lb/t, those engines are highly underated.
Jay


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