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Thread: ra28 rear axle

  1. #1
    Forum Member 1st year Apprentice
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    Default ra28 rear axle

    right ive two questions about the rear axle 1. when i got my ra28 the long trailing arm was damaged, ive seen pictures of the kp60 ones and they look the same, would ae86 ones work either thanks. 2. what 2 way diff will fit in the axle? thanks
    Mick

  2. #2
    Junior Member Backyard Mechanic J-M kujala's Avatar
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    Default Re: ra28 rear axle

    LSD units.. TRD, KAAZ TOMEI,... etc basicly : Ae86 6.7" Zenki type..

    AE86 trailing arms are same lenght, bolts are different sizes.. Ae86 12mm, Celica 14mm
    - Celica TA-22 -74 2T-G Turbo
    - IQ 1.0 -09
    - Lexus IS250 -06

  3. #3
    Forum Member 1st year Apprentice
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    Default Re: ra28 rear axle

    thanks man, so the trailing arm for the ae86 wont work on my own, and i know there are standard lsd in ae86's would one of them fit right in? sorry if im not understanding new to messing around with cars

  4. #4
    Junior Member Backyard Mechanic J-M kujala's Avatar
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    Default Re: ra28 rear axle

    Ae86 arms can use if use urethan bushings and re-drill the hole bigger. I have done that. Or use a special machined washer under bolt and nut to keep the 12mm bolt in the middle of 14mm hole.

    With oem 86 lsd you had to cut ~6mm at half shaft spline end, there is topi. On that so i reco to do some more reading..
    - Celica TA-22 -74 2T-G Turbo
    - IQ 1.0 -09
    - Lexus IS250 -06

  5. #5
    Low rep Grease Monkey
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    Default Re: ra28 rear axle

    just put the whole ae86 diff in it will fit.

  6. #6
    Junior Member Backyard Mechanic Bazooka's Avatar
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    Default Re: ra28 rear axle

    I use whiteline AE86 adjustable upper and lower arms in the rear of my RA28. Whiteline were kind enough to custom fit the larger 14mm bush to suit the RA28 at no extra cost.

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