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Thread: W58 Version Comparisons

  1. #16
    Is a Chief Engine Builder wilbo666's Avatar
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    Default Re: W58 Version Comparisons

    Quote Originally Posted by 30psi 4agte
    Anyone have any ideas as to what it is that actually breaks in these boxes ???

    I have herd that second gear can strip its teeth pretty easy...... Is this the usual cause
    Catastrophic failure is usually takes the form of the inputshaft to layshaft gears being damaged (loosing teeth). I've seen this twice? (norbie once?, someone else once?).

    Also chipped 2nd gear on the layshaft is the other thing I've seen twice I think now? (both ex norbie boxes)...

    Cheers
    Wilbo

  2. #17
    Is a Chief Engine Builder wilbo666's Avatar
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    Default Re: W58 Version Comparisons

    Quote Originally Posted by cambelt1
    On another note has anyone got a W55 OR a W 57 thats allready apart they could count the 5TH gears teeth , both the main an the counter gear
    Dave
    Yeah I can do that, heck I think I might have it at home already...

    Cheers
    Wilbo

  3. #18
    Toymods Pimp Chief Engine Builder Norbie's Avatar
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    Default Re: W58 Version Comparisons

    I've chipped teeth on the input shaft three times and totally mashed the layshaft gears once.

  4. #19
    AVGAS DRINKING Carport Converter 30psi 4agte's Avatar
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    Default Re: W58 Version Comparisons

    Quote Originally Posted by Norbie
    I've chipped teeth on the input shaft three times and totally mashed the layshaft gears once.
    Do you think thats cos it was a alloy plate box ? or just a weakness in general ??

  5. #20
    Is a Chief Engine Builder wilbo666's Avatar
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    Default Re: W58 Version Comparisons

    Quote Originally Posted by cambelt1
    On another note has anyone got a W55 OR a W 57 thats allready apart they could count the 5TH gears teeth , both the main an the counter gear
    Dave
    Teeth ratio (W57)
    1st Gear
    34/14

    5th Gear
    35/55

    Cheers
    Wilbo

  6. #21
    Junior Member Automotive Encyclopaedia
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    Default Re: W58 Version Comparisons

    Thanks wilbo
    that clears it up for me . ive had a steel plate W box out of a GX81 cressida for 15 odd years , one of the first imported by API in melb .
    I never new what box it was . i know the 5th geras count of a W58 but this gx 81 was 55 and 35 . so now looks like its a W57
    Dave

  7. #22
    Toymods Pimp Chief Engine Builder Norbie's Avatar
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    Default Re: W58 Version Comparisons

    Quote Originally Posted by 30psi 4agte
    Do you think thats cos it was a alloy plate box ? or just a weakness in general ??
    Only two of those breakages were with alloy plate boxes. I couldn't tell you what ultimately caused any of the failures except that W5x boxes weren't built to cop that much torque!

  8. #23
    Founding ****** Automotive Encyclopaedia Mos's Avatar
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    Default Re: W58 Version Comparisons

    Torque? or shock loads? Are you trying to tell all of us that you never shock loaded some of the boxes you broke?

    Mos.
    Admin, I.T., Founding Member, Toymods Car Club Inc.
    2000 IS200 Sports Luxury 1UZ-FE VVTi, 1991 MX83 Grande 2JZ-GTE (sold)

  9. #24
    Forum Sponsor Conversion King
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    Default Re: W58 Version Comparisons

    Quote Originally Posted by Norbie
    I've chipped teeth on the input shaft three times and totally mashed the layshaft gears once.
    the teeth normally only chip through shockloading and it generally only happens on the input shaft if the input or layshaft bearings are sloppy, but the front layshaft bearings on w series boxes do giveway without alot of warning.
    the boxes can handle a fair amount of torque its more how you drive that determines how long they'll last.

    cheers
    linden

  10. #25
    Toymods Pimp Chief Engine Builder Norbie's Avatar
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    Default Re: W58 Version Comparisons

    As a matter of fact each of my boxes let go in gear, not during gearchanges or clutch dumps or whatever. And despite what people say about me I was very gentle with my car after the first gearbox broke, which is why I never did another quarter mile run until after the V160 conversion.

    The issue here is the 2JZ with factory sequential turbos has enormous torque from very low RPM, and this is what the W5x didn't cope with IMO.

  11. #26
    Learner Driver Backyard Mechanic
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    Default Re: W58 Version Comparisons

    Quote Originally Posted by Norbie
    As a matter of fact each of my boxes let go in gear, not during gearchanges or clutch dumps or whatever.

    Same.

    all the boxes I broke stripped the input shaft or layshaft gear it run on while on full power in 3rd gear up in the revs where my car makes all it's hp.

    The 5 or so we broke in our old 1JZGTE levin broke all in 5th gear just before the braking zone on the back straight,
    so sheer force, not shock loading i'd say.
    - KE70 Corolla Dx -
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  12. #27
    Junior Member Automotive Encyclopaedia
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    Default Re: W58 Version Comparisons

    Ah thread revive , 5Th is generally never a strong gear in any overdrive box as its sort of hanging out the back suported by bearings made for overdrive cruising not flat out power.
    Dave

  13. #28
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    Default Re: W58 Version Comparisons

    Yeah found this when i was looking for options of gearsets for the w series boxes.

    Of the probably almost 10 boxes i've seen broken,
    every single one has been the input shaft gears that break.

    Anyone know of a company other than PPG that do W series upgraded gearsets?
    - KE70 Corolla Dx -
    - 500hp+ 7AGTE 20V turbo -
    - MRS/Hayabusa turbo **sold**
    - TA63 3TGTE project in the build -

  14. #29
    Junior Member Automotive Encyclopaedia
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    Default Re: W58 Version Comparisons

    try ivan albins in wendoree its called albins off road they can do ratios like new 1st 2nd 3rd and 5th

  15. #30
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    Default Re: W58 Version Comparisons

    Quote Originally Posted by 30psi 4agte
    Do you think thats cos it was a alloy plate box ? or just a weakness in general ??
    It is because of the number of teeth.
    1st, 2nd, 3rd have 33, 34, 35 teeth or less and are quite bug chunly teeth,
    the input shaft has 32/47 or 34/46 teeth so because there is nearly 50 teeth on the layshaft,
    the teeth are a lot smaller and weaker.


    Quote Originally Posted by Celica RA45
    try ivan albins in wendoree its called albins off road they can do ratios like new 1st 2nd 3rd and 5th
    Emailed then and have got a reply,
    they do what I want and it's not way OTT on price,
    so have another couple of places to hear from and then will decide.
    - KE70 Corolla Dx -
    - 500hp+ 7AGTE 20V turbo -
    - MRS/Hayabusa turbo **sold**
    - TA63 3TGTE project in the build -

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