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Location:
Sydney, Shire
Registered:
April 2004
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 RA28-What diffs fit? Need help ASAP
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Wed, 14 September 2005 08:06
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as some of u may know i now have a RA28 and have stuffed my diff.My Mechanic is having trouble finding a diff that will fit or be compatable with the disc brakes i have, he has found one but was quoted $550 and he kindly told him to fuck off...anyway he said he is looking into other model diffs and thats where i could use your guys help...
the car is a RA28 with disc brakes in the back,
What model diff centres or rear ends will fit on my RA28 at a reasonable price.
your help in this desperate time is appreciated
any further q's dont hesistate to ask ill try and answer them as good as i can
p.s im aiming at gettin the car on the road by the weekend
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Location:
Tamworth
Registered:
August 2004
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Re: RA28-What diffs fit? Need help ASAP
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Wed, 14 September 2005 08:34
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disc brake diff on ra28?
Is it the original ra28 diff with disc conversion?
If ur looking for diff centres for a t-18 ra28 diff then a zenki ae86 centre is was u need. There are various models of ae86 diffs. but the Zenki type centers will be a perfect fit in the ra28 diff
Hope this is helpfull.
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Location:
Brisbane
Registered:
May 2002
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Re: RA28-What diffs fit? Need help ASAP
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Wed, 14 September 2005 08:43
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Yeah, more info required. Local RA28's never came with rear discs, so it's either:
- a normal RA28 rear end with a disc brake conversion.
- an RA28 GT rear end with factory discs (UBER rare).
- a complete rear end conversion (eg AE86, R31 Skyline).
Also, what part of your diff is stuffed? The centre, the axles, the housing, or all of the above?
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Location:
Sydney, Shire
Registered:
April 2004
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Re: RA28-What diffs fit? Need help ASAP
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Wed, 14 September 2005 08:58
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im not sure wat diff it is im about to ring the previous owner to see if he knows...
the pinions and crown wheel are stuff and my mechanic said it will cost heaps more to replace...
let you know wat the pervious owner says
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Location:
Sydney
Registered:
April 2004
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Location:
Brisbane
Registered:
May 2002
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Re: RA28-What diffs fit? Need help ASAP
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Wed, 14 September 2005 10:36
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If it's a Toyota diff there will be no codes on the housing unfortunately. If you can get pics that may help though.
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I Supported Toymods
Location:
Glenmore Park, NSW
Registered:
March 2004
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Re: RA28-What diffs fit? Need help ASAP
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Wed, 14 September 2005 13:47
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diff carrier diameter will be a start .... if its of toyota origin this should narrow it to a family .. ie d,t,f,g series etc.
i vaguely recall st142 rear discs fit with minor mods? may still be std diff....some1 here will know.
Nathan
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Location:
townsville NQLD
Registered:
February 2004
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Re: RA28-What diffs fit? Need help ASAP
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Wed, 14 September 2005 13:51
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ST141 avante disk brake setups go straight onto T, F, E series diff's
i got a set here to go on my F series diff. they're both goin in my ra40
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Location:
Northwestern Sydney
Registered:
August 2002
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Re: RA28-What diffs fit? Need help ASAP
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Wed, 14 September 2005 23:21
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Yeah, You can adapt the ST141 disc brakes to the Standard RA28 diff, which doewsn't affect the diff centre (ie another T series centre from RA28/23 will fit.
The previous owner may have cut up a late sprinter diff (disc brake) to suit the RA28 but I don't know why one would do that.
meaning you might have the larger axles.
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Location:
Sydney, Shire
Registered:
April 2004
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Re: RA28-What diffs fit? Need help ASAP
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Thu, 15 September 2005 07:24
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thanks for the info guys....
im pretty sure its the standard diff with the disc brake conversion...
so im after a ra28 diff centre or a diff centre that will fit on the ra28 rear end...im hoping to find one tonite n possibily get it tomorrow...
the hunt is on
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Location:
Brisbane
Registered:
May 2002
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Re: RA28-What diffs fit? Need help ASAP
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Thu, 15 September 2005 07:53
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Standard diff is a T series type, which is common as muck. You can pick up a replacement from the wreckers for next to nothing. TA22/RA23/RA28/RA40/RA60 Celicas and various Coronas of the same era have what you need. A quote of $550 is pretty ridiculous, $50 is more like it!
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Location:
Sydney, Shire
Registered:
April 2004
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Re: RA28-What diffs fit? Need help ASAP
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Thu, 15 September 2005 07:59
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oh u champ...i was just looking for that very information...thanks heaps...
i want this car by the weekend soo bad...ive only had 1 and a half hrs of driving in it and that includes the drive home from picking it up...40 mins away... 
wish me luck guys
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Location:
Sydney, Shire
Registered:
April 2004
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Re: RA28-What diffs fit? Need help ASAP
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Thu, 15 September 2005 08:55
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you have pm norbie 
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Location:
townsville NQLD
Registered:
February 2004
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Re: RA28-What diffs fit? Need help ASAP
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Thu, 15 September 2005 10:53
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you might just want to double check if it a T series by counting the teeth on one of the axels.
23 (or 24 - can never remember) teeth = T series diff
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Location:
Sydney, Shire
Registered:
April 2004
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Re: RA28-What diffs fit? Need help ASAP
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Thu, 15 September 2005 11:24
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from my research i think ive gathered that ra28s have a 23 spline (is that the teeth your talkin about)and that diff centre came in a large number of cars...
wat i dont understand is my mechanic couldnt find any even with so many cars had that diff standard
im hoping with this new information i can ring some wreckers and hope they r helpful enuff to find a diff to match that..
any comments?
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Location:
townsville NQLD
Registered:
February 2004
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Re: RA28-What diffs fit? Need help ASAP
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Thu, 15 September 2005 11:38
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most likely place to score a T series centre would be from a RA60 celica.
from my travells through local wreckers, ive found most have at least one RA60 (or sa63) laying about.
lots of them about up here anyway
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Location:
Sydney, Shire
Registered:
April 2004
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Re: RA28-What diffs fit? Need help ASAP
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Sat, 17 September 2005 01:03
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good news guys! my mission to get her back on the road has by the weekend was completed...
toymods is great in one night when everything was closed i managed to find the part i wanted picked it up the next day and got it in my car by friday arvo (thanks to exquist)
i wanna thank every who help and especailly norbie to thanks heaps mate.... 
im so happy
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Location:
Brisbane
Registered:
May 2002
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Re: RA28-What diffs fit? Need help ASAP
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Sun, 18 September 2005 01:00
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Woohoo! Another satisfied customer.
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