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Location:
Perth
Registered:
August 2002
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skyline diff
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Sat, 22 March 2003 03:07
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I have just purchased a r31 skyline diff (can rememeber if auto or manual car) to put in a ta22. I have pulled the back housing cover off the diff and it is a four pinion and 3.7 ratio diff. Can anyone tell me whether it is 28 or 25 spline diff without me removing the axles?
cheers
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I supported Toymods
Location:
Perth, Western Australia
Registered:
December 2002
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Re: skyline diff
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Sat, 22 March 2003 08:19
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All R31 Skyline diffs are 28 spline, Pintaras are only 25 spline. 28 spline diffs have 4005-MA on their serial tags.
Clint!
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Location:
Castle Hill
Registered:
December 2002
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Re: skyline diff
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Sat, 22 March 2003 11:05
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Hey what work does the skyline diff need to go in the ta22? shortened etc ?
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Location:
Perth
Registered:
August 2002
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Re: skyline diff
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Sun, 23 March 2003 01:23
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Thanks Clint!
To get the R31 diff into TA22 you need to shorten and move all brackets from TA22 to R31. This will cost me about $800 to do. Stud pattern is the same and they come standard with discs.
The handbrake has to be slightly modified to allow discs.
I am upgrading fronts as well, with pug/hilux/corona conversion, the master cylinder needs to be modified.
I have heard that conflicting reports about the bore of the master cylinder. Some say you should keep the same bore to get the extra pressure on the discs while some say you need to increase bored to allow for greater volume in hydraulic fluid movement. Which is correct????
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: skyline diff
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Sun, 23 March 2003 02:02
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I have a shortened B/W diff with TA22 brackets fitted and celica stud patten. I'm looking at selling this if anyone is interested!
About $750 I would be after!
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Location:
Canberra
Registered:
May 2002
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Re: skyline diff
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Sun, 23 March 2003 21:52
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Hey Shane,
is that diff you're sellin disc or drum?
was it shortened and balanced at the same time? who by?
I'm interested either way - my diff on one of my TA22s is a little flakey.
PM or email me bud, I'm in Canberra.
Nick
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Location:
Perth
Registered:
August 2002
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Re: skyline diff
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Tue, 25 March 2003 02:17
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Clint are you sure that all skyline diffs are 28 spline as the serial tag on the diff states P/N 43006-J711 (different from 4500-MA)
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Toymods Board Member
I supported Toymods
Location:
Turramurra, Sydney.
Registered:
May 2002
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Re: skyline diff
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Tue, 25 March 2003 18:58
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As far as your master cylinder goes, most people have replaced theirs with a G/M/JZA70 supra master cylinder, which increases the bore from 13/16" to 1", which is a fair bit larger.
Everyone who's done it has been very happy with the results.
Not long ago I put up some alternative MCs to use, both hilux but one was 7/8" and the other was 15/16". Do a search & it shouldn't be too hard to find.
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Toymods Social Secretary
Location:
Sydney
Registered:
July 2002
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Re: skyline diff
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Tue, 25 March 2003 23:49
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other thing to note though - if the master cylinder is for a TA22, i think they have different bolt patterns to a RA2* (2 bolt rather than 4)
Cant remember what fits, but im sure its been covered once or twice
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Location:
Canberra
Registered:
May 2002
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Re: skyline diff
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Wed, 26 March 2003 11:19
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TA22 & T18 master cylinders bolt to the booster with only 2 bolts, I think RA** have 4 bolts.
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Location:
Montrose, VIC
Registered:
May 2002
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Re: skyline diff
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Wed, 26 March 2003 11:25
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Speaking of master cylinders, is there a 15/16 or 1" cylinder/booster I can slip into my ae86 without too much hassle?
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Registered:
December 2002
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Re: skyline diff
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Wed, 02 April 2003 14:05
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I just had a look on the tag thats on the BTR78 that i have and it says 5434. What does that mean? Along with that is the part # which is 43005-J7101
Regards
Daniel
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Location:
NSW
Registered:
May 2002
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Re: skyline diff
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Sat, 05 April 2003 07:30
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The S/N on my Skyline Silluette LSD (28 spline, 4 pinions)is 43005-J7164.
mrshin: Some of the Starion (maybe later model)got a 15/16 master cylinder, it is a bolt on job. I got the 7/8 master cylinder ATM, and it works very well with the Hilux 4 spots, give good pedal feel.
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