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Location: NSW
Registered: October 2003
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TA23 Diff conversion
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Sat, 09 April 2005 04:40
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Hey,
Just after a bit of technical help regarding my diff in my ta23. The car has a 3TGTE with CT20-B turbo, front mount etc and the diff / tailshaft is starting to make some noises.
I am just after some suggestions of what would be best to put in there, when it comes to diffs / tailshafts I dont have much of an idea. I was thinking about a whole hilux lsd conversion, but there might be an easier / cheaper conversion that will be able to cope with the power, and do just as good a job.
Any suggestions / ideas of what to put in there and where to take the car to get it done would be appreciated.
Cheers,
Mitch.
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Location: NSW
Registered: October 2003
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Re: TA23 Diff conversion
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Sat, 09 April 2005 19:56

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Anyone?
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Location: Rocklea qld
Registered: February 2003
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Re: TA23 Diff conversion
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Sat, 09 April 2005 21:15

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mk2 corona diff. then use corona avante discs on it with a ma61 supra lsd centre is a good way to go. or u can get a skyline lsd diff and with the right offset wheel u do not need to shorten it. or theres a corona anavte rear diff with discs already. then just find a holden lsd centre.
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Location: NSW
Registered: October 2003
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Re: TA23 Diff conversion
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Sun, 10 April 2005 12:28

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thanks for the info, anyone else have any opinions or ideas?
Cheers,
Mitch.
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Location: Perth, WA
Registered: December 2004
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Re: TA23 Diff conversion
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Sun, 10 April 2005 13:22

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you sure its not your uni joints?
ive heard about the r143 corona rear disc or something? not too clear on the details...
Eldar.O.
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Membership Secretary
Location: Sydney
Registered: June 2002
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Re: TA23 Diff conversion
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Sun, 10 April 2005 22:55

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You could chop up a MS112 Crown disc rear end. Thats F series allows you to run the MA61 LDS centre or True Trak make a centre for them.
If you didn't want to chop the diff I believe a MX13 or 23?? (talk to Turbora28 or Gold28). This is also F series with drums and with the right off set sits in well under the guards.
F series difs put up with a bit Norbie's 2JZGTE MA61 has been running a F series with True Trak LSD for about 2 years.
Then there is the G series Hilux 8' versus the F series 7.5'. I you can cut them down a bit and get them narrow enough to sit under the car. I have been for a ride in 1GGTE powered Ra28 with a G series rear end.
Plenty of ratios are also avaliable for both the F series and G series diffs
As for other diffs I know of a 1GGTE RA28 that runs a volvo LSD diff and Yogi with his 4AGTE runs a commowhore LSD rear end.
The commo whore diffs are pretty common and parts and ratio's are easy to come buy.
Just a few ideas.
I haven't had to chop a diff MS112 to MS53 was direct bolt in however I've read a few diff conversion pages when I wanted to upgrade. Basically to see if F series would do what I wanted it to and got all the diff conversion info with it, plus going for rides and asking questions of high powered celicas in the club.
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Location: Terrigal
Registered: May 2002
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Re: TA23 Diff conversion
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Sun, 10 April 2005 23:09

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I run the MKII Corona MX23? diff in my RA28. Need to use +35mm offset wheels to clear the guards which is S13 so plenty of wheels around.
I got a Torsen LSD centre for it.
Have to cut all the mounts off and make new ones for it so definately not a bolt in job.
I think this is a better option than the G series as they are very heavy. The F series are a bit lighter and seem to be able to hold up to some reasonable power and still survive.
Cheers
Joel
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Location: NSW
Registered: October 2003
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Location: NSW
Registered: October 2003
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Re: TA23 Diff conversion
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Wed, 13 April 2005 08:45

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ta23 wrote on Tue, 12 April 2005 22:51 | Cheers for the help,
I am currently looking at the following:
Hilux housing & axels
4.3 lsd hilux centre
r31 calipers, discs, axels
New hand brake cables from nissan
Diff housing from celica spares
Caliper rebuild kits
Would this be all I need to do the job, and how much roughly would I be looking at in labour to get it all installed.
Cheers,
Mitch.
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Can anyone help regarding this?
Would be very appreciative.
Thanks,
Mitch.
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Location: Madrid - Spain
Registered: August 2002
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Re: TA23 Diff conversion
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Wed, 13 April 2005 10:20

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ta23 wrote on Tue, 12 April 2005 22:51 | Cheers for the help,
I am currently looking at the following:
Hilux housing & axels
4.3 lsd hilux centre
r31 calipers, discs, axels
New hand brake cables from nissan
Diff housing from celica spares
Caliper rebuild kits
Would this be all I need to do the job, and how much roughly would I be looking at in labour to get it all installed.
Cheers,
Mitch.
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I find taller gearing is much nicer for a turbo engine. I like 3.9's and if you have pleny of poke look at 3.7.
It seems like you have two pairs of axles and two housings planned. You will only need the hilux housing if you are prepared to hack up the housing you already have in the celica.
I can't see why you would need the skyline axles. You will need to redrill the hilux axles for the correct stud pattern though. and probably get some custom mounts for the calipers.
Careful with which housing and axles you use as most are too wide for a celica.
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Location: townsville NQLD
Registered: February 2004
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Location: NSW
Registered: October 2003
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Re: TA23 Diff conversion
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Wed, 13 April 2005 22:14

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Cheers guys,
so getting all of this stuff would be no good, should I look towards a different conversion??
Hilux housing & axels
4.3 lsd hilux centre
r31 calipers, discs, axels
New hand brake cables from nissan
Diff housing from celica spares
Caliper rebuild kits
Perhaps I would be alot better off looking at an MX13 - MX23 F series diff?
Thanks, I apreciate all of the input.
Mitch.
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Location: Brisbane
Registered: May 2002
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Re: TA23 Diff conversion
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Wed, 13 April 2005 22:37

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I think MX13/MX23 is your best bet, it's plenty strong enough and it's already 4-stud. A G series diff is overkill for a 4-cylinder turbo, you just don't need a big heavy bastard like that to handle the torque you have.
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Location: Terrigal
Registered: May 2002
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Re: TA23 Diff conversion
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Wed, 13 April 2005 22:59

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Yup go the F series seems pointless adding all the extra unsprung weight for nothing.
You can use ST141 disc brakes on it also. Anthony & myself picked up 2 complete F series diffs (hmm well thats a lie kinda one as an E but thats another story) and ST141 disc brakes for I think $100 each.
Then grab a Torsen centre or MA61 centre. I got my torsen centre new for $650.
Makes for a very cheap conversion!
Also its 4 stud already and G series is going to be 5 or 6..
Too many advantages to the F series
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I Supported Toymods
Location: Glenmore Park, NSW
Registered: March 2004
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Re: TA23 Diff conversion
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Thu, 14 April 2005 08:28

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what year model roughly are the mx13/23 corona's?
where is a good place to source one?
i have a ra28 in the drive thats begging for a lsd.
cheers
Nathan
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Location: Madrid - Spain
Registered: August 2002
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Re: TA23 Diff conversion
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Thu, 14 April 2005 12:11

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Only problem with the F diff is that your wheels won't fit under the guards unless you either shorten the diff or flare the guards a fair bit.
If you already have the hilux stuff then use it. Yes it is a lot heavier that the F diff but a lot of people are using them. I guess it all depends on what you want the car for. If it's straight line stuff then go for the G series if you want it for twisty roads then I would try and keep the unsprung weight down and use the F.
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Location: NSW
Registered: October 2003
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Re: TA23 Diff conversion
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Thu, 14 April 2005 13:33

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Cheers for all the info.
I think I will go for the F series, seems a bit cheaper and will have less weight. Where abouts can I source one and how much roughly would I be looking at for a conversion if it was professionally done, including shortening the diff?
Thanks,
Mitch.
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I Supported Toymods
Location: Glenmore Park, NSW
Registered: March 2004
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Re: TA23 Diff conversion
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Thu, 14 April 2005 22:19

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mmmmmmm ample guard space...ohhhhhh
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Location: Brisbane
Registered: May 2002
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Re: TA23 Diff conversion
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Thu, 14 April 2005 23:00

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Get some high offset wheels and there's no need to shorten the diff.
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Location: Terrigal
Registered: May 2002
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Re: TA23 Diff conversion
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Thu, 14 April 2005 23:17

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Yeah what Norbie said.. I have +32mm wheels on mine and they only 'just' scrub. This is with 205x55x15 tyres. These tyres have a kinda buldged out sidewall. I think with some 205x50x15 tyres it might not srub at all.
But yeah a +35 rim would be perfect.
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Registered: June 2004
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Re: TA23 Diff conversion
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Fri, 15 April 2005 13:34
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i doubt that very much, considering they would be the same width! if you wanna keep the wheels then take them to a wheel pro to get the offset changed marginally.
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