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Thread: R380 Mainshaft wear - Not the splines

  1. 15th January 2013, 09:23 PM #1
    Fubar
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    R380 Mainshaft wear - Not the splines

    G'day,

    Can anyone comment on the wear on this mainshaft. Is it scrap or right to run for another 150k?



    Cheers,

    Jas
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  2. 15th January 2013, 09:25 PM #2
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    mick88
    mick88 is offline Lord Jock
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    Hard to tell from the pic, but has it been hot or run out of oil?

    Mick.
    1974 S3 88 Holden 186.
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  3. 15th January 2013, 09:34 PM #3
    Fubar
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    Yeah, I took about 10 pics trying to get rid of the reflections.

    I have never run the box hot or out of oil, but I have not had it that long. The bronze looking worn sections are loss of the chroming not burnishing.

    Cheers,

    Jas
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  4. 15th January 2013, 09:43 PM #4
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    mick88
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    You need to run a Micrometer over it and check the dimensions!
    It may have lost it's hardness too if it's been cooked!

    Cheers, Mick.
    1974 S3 88 Holden 186.
    1971 S2A 88
    1971 S2A 109 6 cyl. tray back.
    1964 S2A 88 "Starfire Four" engine!
    1972 S3 88 x 2
    1959 S2 88 ARN 111-014
    1959 S2 88 ARN 111-556
    1988 Perentie 110 FFR ARN 48-728 steering now KLR PAS!
    REMLR 88
    1969 BSA Bantam B175
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  5. 15th January 2013, 09:59 PM #5
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    Landy Smurf
    Landy Smurf is offline OldBushie
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    how much would a new one cost( check overseas to just to compare) 150k is a fair bit
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  6. 15th January 2013, 10:16 PM #6
    Fubar
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    I just gave myself an uppercut and ordered a new one.....

    Shop 4 Auto Parts | MAINSHAFT R380 OEM

    Jas
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  7. 15th January 2013, 10:25 PM #7
    uninformed
    uninformed is offline ForumSage
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    how the hell has mine lasted past 300k and over 200k of that towing a dual axle trailer
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  8. 16th January 2013, 11:15 AM #8
    Bush65
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    R380's run too hot when they are asked to do a little work. I used synthetic oil in mine and it had to be replaced more often than I recon was reasonable for a properly rated gearbox - the oil had deteriorated due to excess heat.

    Sorry don't have time to comment further about the wear, other than it is related to lubricration.
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