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by **beeker** » Tue Mar 28, 2006 7:32 am

The sizes are:
Early (1984-85) AE86 axle size is 24.06mm,
Late (1986-87) AE86 Axle size is 25.30mm;

If my axle/diff housing is an 'Early' one, can i install a facelift 'Late' axle into it ?

by **nzae86** » Tue Mar 28, 2006 8:04 am

The short answer is no

by **Drifter4ag** » Tue Mar 28, 2006 10:10 am

they will fit in the housing but you will require a facelift diff head or TRDLSD

by **beeker** » Tue Mar 28, 2006 4:29 pm

Drifter4ag wrote:they will fit in the housing but you will require a facelift diff head or TRDLSD

I have a TRD LSD. So all looks good then.

Next question. I was told you need to cut down the std Axle when you install a TRD LSD. Correct ??

To give you some background, im unsure if my axle is the early or late (have yet to remove and measure). I'll look to buy a couple of new ones as proactive maintenance, and want to get the stronger one, and also understand whats involved (cut down for lsd etc).

by **Drifter4ag** » Tue Mar 28, 2006 4:41 pm

sorry i didnt explain well enough ...
you require Late model TRD LSD not early model

by **beeker** » Tue Mar 28, 2006 8:16 pm

got it. gotta stick to whatever edition i have then.

Look like i'll have to pull it out to check prior to ordering.

thx guys.

by **Mr Revhead** » Fri Mar 31, 2006 10:53 pm

yep early and late

and with the TRD lsd you dont need to trim the axles

Click here to see "My Black Hole" · by **Stealer Of Souls** » Sun Apr 02, 2006 4:18 pm

Drifter4ag wrote:they will fit in the housing but you will require a facelift diff head or TRDLSD

Hey. Is it possible to convert an early model diff to late model diff?
Buy a head or LSD, change axles, etc?

by **Drifter4ag** » Sun Apr 02, 2006 8:33 pm

yes ..

buy the TRD late model head.
Locate some axles

when i did mine one axle was too long ... dunno if they are all like that.. i just chopped a couple o mm off it .. right hand side it was.

Click here to see "My Black Hole" · by **Stealer Of Souls** » Tue Apr 04, 2006 12:32 pm

Drifter4ag wrote:yes ..
buy the TRD late model head.
Locate some axles
when i did mine one axle was too long ... dunno if they are all like that.. i just chopped a couple o mm off it .. right hand side it was.

Ah rats. Now I wished I'd know this before. I would've done this instead of buying an LSD to fit the early model I've got...

Oh well.. Maybe in the future...

What sort of power can the bigger axles handle? Or is it much the same as the early model, around 200ps?

Click here to see "My Black Hole" · by **Stealer Of Souls** » Fri Apr 07, 2006 9:28 am

Anyone know the answer?

by **NA Drifter** » Sun Apr 09, 2006 1:13 am

Mr Revhead wrote:yep early and late

and with the TRD lsd you dont need to trim the axles

I installed a TRD LSD on my AE86 (early model) and no trimming needed. everything bolts and fit on fine...

by **Drifter4ag** » Sun Apr 09, 2006 10:37 am

in the D1GP 03/04 season there was a turbo AE86 Trueno - Up garage sponsored - 300hp + 50shot of nos ... this was running late model diff & axles .. it was later changed to IRS G series .. they never show how many things they break but i guess it was every now and then.. probably ok when moving but i wouldnt wanna do too many burnouts if you have alot of grip or tramp

Click here to see "My Black Hole" · by **Stealer Of Souls** » Sun Apr 09, 2006 7:50 pm

Drifter4ag wrote:in the D1GP 03/04 season there was a turbo AE86 Trueno - Up garage sponsored - 300hp + 50shot of nos ... this was running late model diff & axles .. it was later changed to IRS G series .. they never show how many things they break but i guess it was every now and then.. probably ok when moving but i wouldnt wanna do too many burnouts if you have alot of grip or tramp

Hmm.. So the late model axles are probably a fair chunk tougher...

by **rollaholic** » Sun Aug 19, 2007 10:21 am

sorry to revive such an old thread, but where on the axle do you measure to determine its size? across the splines?

by **Mr Revhead** » Sun Aug 19, 2007 11:17 am

theres a page somewhere thats got measurments etc. but i cant find it...
its saved on my work pc
so, if this isnt of any use ill post the other up tomorow

Click here to see "My Black Hole" · by **Stealer Of Souls** » Mon Aug 20, 2007 9:34 am

rollaholic wrote:sorry to revive such an old thread, but where on the axle do you measure to determine its size? across the splines?

90% sure it's the shaft size, not the splines.

by **rollaholic** » Mon Aug 20, 2007 6:46 pm

revvys link seems to indicate its the splines

my measurements yesterday would bear this out, but i could be wrong.

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