can I put a b4 lockable rear diff into a b5 quattro

[s2_wot]

CQ, S2, 90q are 4.11, v6 b4 80 quattro is 3.89, might be the answer.
"MEGA GEAR RATIO THREAD" on motorgeek might point you in the right direction (just remember they had B4 90s (same as our B4 80s)
http://motorgeek.com/viewtopic.php?f=15&t=8293

Thanks for the link Andy, I'll go have a look through that now.

do not se the lock unit will fit this rear end, from the parts from audi 80/90/s2.. so the easiest will be the scrapyard audi v8 rear end part , torsen unit (88-93)

Thanks, I was hoping you'd contribute.
I don't think I'll be able to find an Audi V8 torsen in Ireland.

[Henkjan]

.... so the easiest will be the scrapyard audi v8 rear end part , torsen unit (88-93)

how "easy" is the fit to the B5q? do you need to modify anything?

[s2_wot]

http://www.s2forum.com/forum/showthread.php?t=9680 for future reference

http://www.houseofthud.com/differentials.htm

[caterpillar]

i have the nr to some breakers in my inbox...???!

[s2_wot]

Hello Caterpillar,
Is the v8 torsen from an automatic and a manual car all the same part?

[my2000apb]

Hello Caterpillar,
Is the v8 torsen from an automatic and a manual car all the same part?

it is the same in america all 4.11 and are swapable between the two

[s2_wot]

Thank you

[caterpillar]

torsen

Hello Caterpillar,
Is the v8 torsen from an automatic and a manual car all the same part?

the diff does have another P/N; but its the same part..cant see any differense ,will think the auto verson have a nicer life...
ok its correckt v8 verson are ONLY 4,111; but its only cron and piniong; witch we dont use... you may have the cron mooved over for sure; so you does have the correct ratio, as before