NA diff compared to turbo diff (ao1a)

 
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SuperIrwin
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Joined: 23 Oct 2010
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Location: Brisbane

PostPosted: Sun Mar 08, 2015 2:55 am    Post subject: NA diff compared to turbo diff (ao1a) Reply with quote

Hi all,

I apologise in advance if this information is here elsewhere, but I'm being impatient. I need to know if a turbo differential will bolt up to a NA Aristo? I'm skeptical that the mount to the tail shaft will be slightly different, can someone please confirm?

Thanks in advance for any help!
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Woggin
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Posts: 4244
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PostPosted: Sun Mar 08, 2015 9:00 pm    Post subject: Reply with quote

Naturally aspirated
CARRIER ASSY, DIFFERENTIAL, REAR
FINAL GEAR RATIO=49:12=4.083
FLANGE SUB-ASSY, REAR DRIVE PINION COMPANION, REAR
41204-24020

Turbo
CARRIER ASSY, DIFFERENTIAL, REAR
41110-30610 FINAL GEAR RATIO=49:13=3.769 (LSD)
41110-30630 FINAL GEAR RATIO=49:13=3.769
FLANGE SUB-ASSY, REAR DRIVE PINION COMPANION, REAR
41204-30040

diffs are different, cases are more than likely the same, but the diff - tail shaft coupling is different. Tail shaft is also different, but doin a p/n cross check, the bolts for the coupling are different, and, the coupling itself, so not entirely sure, but if you change the couplings over, it 'should' work
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SuperIrwin
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Joined: 23 Oct 2010
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Location: Brisbane

PostPosted: Wed Mar 11, 2015 10:37 pm    Post subject: Reply with quote

Thanks Woggin, much appreciated for the information you provided.
I will be changing Couplings over and hopefully all is well, all I need now is a 35mm(certain that's the size) deep socket so as to undo the nut securing the coupling to the differential.

Well wish me luck haha, I hate working on my own car!
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Woggin
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PostPosted: Thu Mar 12, 2015 7:31 am    Post subject: Reply with quote

cant comment on the size socket req'd as ive never carried out such a task.

good luck to you, i joined the aviation industry so i'd enjoy working on cars, thats the reason why i didnt become a car mechanic...
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