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Thread: T series Spline Size

  1. #1
    Junior Member
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    Oct 2010
    Name
    Quinn
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    Woodridge
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    Austown
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    Default T series Spline Size


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    Hey Guys, Canadian in Australia. I've got a VERY specific question for you:

    Backround: In North America we have two versions of the T series Differential (6.7").

    Versions:
    -Early: 23 Spline. Spline is identical to S (6.38) axles. I've fit spider gears from both onto each other with no Problem.
    -Late: ?? Splines. The late model AE86's came with an upgraded T (6.7") diff that was the same axle housing and carrier, but new axles with a larger splined area.






    Question #1: Did Australia Ever receive the larger T (6.7") axles?

    Idea: Back home in Canada, I raced a rotary powered Corolla wagon with an S (6.38") differential. I kept blowing up differentials until I swapped to a Mini Spool I found online. From then on the S (6.38") differential was super reliable with no problems!!! We tested my mini spool on Early (zenki) T series (6.7") Corolla GT-S axles and the spool fit exactly the same. The two different differential sizes used the same axle splines.

    Ideas:

    RA60's and RT141's are peanuts cheap now that I am living in Australia and I'd like to run my trusted mini-spool again. They are $40 brand new. We had a 5mge turbo pushing 290hp through a this mini spool in a S (6.38") differential, on 10" wide wheels for almost 2 years with no differential problems.

    Question #2: Is the RA60 T diff (6.7") the same 23 spline count as the North American Early (zenki) T series diffs? (6.7")??

    Thanks guys! For those who don't know. Legend/Dwarf cars in North America use Toyota differentials for racing. They built mini and full-spools to fit them:
    http://www.speedwaymotors.com/Toyota...pool,9026.html

  • #2
    Hair model Jacobxxx's Avatar
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    Oct 2009
    Name
    Jacob
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    Bangalow
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    Australia
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    Default

    Vast majority of ADM T Series Diff's are 23mm, small axel or zenki

    Apparently some random townace or hiace model came out with live axel 25mm spline and drum brakes. From what i hear.

  • #3
    Junior Member
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    Oct 2010
    Name
    Quinn
    State
    QLD
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    Woodridge
    Country
    Austown
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    Default


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    That's ultra awesome!

    Question #3: rather than shipping this mini-spool from the States, is there any Aus ones available?

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