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Author: Subject: Lightest diff?
lsdweb

posted on 23/1/08 at 09:22 PM Reply With Quote
Lightest diff?

Hi All

I'm slowly (but far faster than I imagined!) pulling my bits together for a new build and trying to find the lightest diff possible. It has to be LSD with a suitable ratio for a car engine

The rear of the chassis hasn't been built yet and I'm probably going DeDion.

I've looked at using a Subaru diff and I'm sure they are bullet proof but they are as heavy as the Sierra unit.

Any thoughts?

Wyn

[Edited on 23/1/08 by lsdweb]






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lsdweb

posted on 23/1/08 at 09:33 PM Reply With Quote
The BMW diffs are pretty light but I don't know which ones are LSD etc. ANybody know of a reference source for BMW diffs>






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iank

posted on 23/1/08 at 09:55 PM Reply With Quote
According to this site http://www.unixnerd.demon.co.uk/e30.html
Diffs with an LSD have an S or a Z in the part number.

Freelander diff is light but no LSD (unless quaife make one now)





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imp paul

posted on 23/1/08 at 10:04 PM Reply With Quote
scooby diff is very long
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lsdweb

posted on 23/1/08 at 10:36 PM Reply With Quote
Thanks iank

imp paul - it'll just mean a shorter prop!






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bigrich

posted on 23/1/08 at 10:46 PM Reply With Quote
mx5 diff,some have lsd's and the import Eunos aswell







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meany

posted on 23/1/08 at 10:51 PM Reply With Quote
ive got sierra dif and impreza WRX diff in the garage, the r160 is quite long but not unusable, but mounting it is different.

if you want to know how long it is, i can measure it for you if you like.

also..my dad has a freelander, i can measure that as well if you like.

what would a Honda CRV diff weigh?

[Edited on 23/1/08 by meany]






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Rogue Se7ens

posted on 23/1/08 at 11:11 PM Reply With Quote
I don't know what is available in other parts of the world, but I use a Ford Explorer dif. It has an alum. housing, quite light, and easy to find (we picked up a couple pallets of them).
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TGR-ECOSSE

posted on 24/1/08 at 12:08 AM Reply With Quote
Sorry i cant help on this post but i have just noticed what you are building Rogue Se7ens Me too






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liam.mccaffrey

posted on 24/1/08 at 01:28 AM Reply With Quote
hey Wyn just weighed my MX5 diff which i know is available as an LSD.

it is 50lbs but you could save a lot of that by lopping off the "wings" obviously you would have to support it differently but it could be an option

i have no idea how 50 lbs compares to the sierra LSD i hav back home. i figure the MX5 diff is lighter though


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JoelP

posted on 24/1/08 at 07:57 PM Reply With Quote
open sierra is over 20kgs, lsd sierra is nearly 30kgs, freelander is open and 14kgs.
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Chazzy

posted on 24/1/08 at 09:19 PM Reply With Quote
While i def agree weight is all, you could argue that the extra weight will be in the right place :-)
(says he driving a CEC with a sierra LSD)

chas

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