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Thread: P51 Gearbox How you tell?

  1. #1
    Normally Aspirated Domestic Engineer RT104GT's Avatar
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    Default P51 Gearbox How you tell?

    This is for River and all the guys (Thanks Dave).

    P51 Toyota/Porsche syncro licenced gearbox circa 1976 Celica and Corona GT.



    take off oil filler and poke a stalk light inside.

    if you have a grey band and some teethy things its PORSCHE type
    If you see brass I guess W50.

    Never having seen a W50 inside can only guess.

    if you think you have a P51 send me a photo I can tell now.
    Last edited by RT104GT; 15-10-2006 at 01:04 PM. Reason: Phtoso removed
    1968 RT40S Corona 1600S series II (restore in progress)
    1973 RT104-MQFG 012604 Corona GT JDM (Owned since 1976 242000 km)
    1989 ST185-BLMVZ-0007199 Celica GT4 JDM (unmolested classic 95000 km)
    2012 ZN-6 86GT (shed find 5000 km in 6 years)

  2. #2
    Junior Member Too Much Toyota
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    Default Re: P51 Gearbox Pictures you saw it here first.

    could you put up some close-up pics of the synchros? links to external pics would be fine.

    cheers and ta,
    Charles.
    ------------------------------
    ST185 road barge / MZ11 forest barge / RA65 garage barge

  3. #3
    Normally Aspirated Domestic Engineer RT104GT's Avatar
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    Default Dismantling the P51 and inspecting the damage

    Scrapped for another box
    Stay Tuned
    Last edited by RT104GT; 09-11-2006 at 07:07 PM. Reason: Photos removed for server space.
    1968 RT40S Corona 1600S series II (restore in progress)
    1973 RT104-MQFG 012604 Corona GT JDM (Owned since 1976 242000 km)
    1989 ST185-BLMVZ-0007199 Celica GT4 JDM (unmolested classic 95000 km)
    2012 ZN-6 86GT (shed find 5000 km in 6 years)

  4. #4
    Normally Aspirated Domestic Engineer RT104GT's Avatar
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    Default P51 Gearbox DISASSEMBLED and DAMAGE.

    On a new thread
    Last edited by RT104GT; 09-11-2006 at 07:07 PM. Reason: Pictures
    1968 RT40S Corona 1600S series II (restore in progress)
    1973 RT104-MQFG 012604 Corona GT JDM (Owned since 1976 242000 km)
    1989 ST185-BLMVZ-0007199 Celica GT4 JDM (unmolested classic 95000 km)
    2012 ZN-6 86GT (shed find 5000 km in 6 years)

  5. #5
    Normally Aspirated Domestic Engineer RT104GT's Avatar
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    Default Re: P51 Gearbox Pictures you saw it here first.

    Quote Originally Posted by thechuckster
    could you put up some close-up pics of the synchros? links to external pics would be fine.
    cheers and ta,
    Charles.
    Just posted the disassembled clusters and primary shaft for you to view.

    Can send large ones if you need them.
    1968 RT40S Corona 1600S series II (restore in progress)
    1973 RT104-MQFG 012604 Corona GT JDM (Owned since 1976 242000 km)
    1989 ST185-BLMVZ-0007199 Celica GT4 JDM (unmolested classic 95000 km)
    2012 ZN-6 86GT (shed find 5000 km in 6 years)

  6. #6
    Normally Aspirated Domestic Engineer RT104GT's Avatar
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    Default Re: P51 Gearbox Pictures you saw it here first.

    This project has been suspended due to the fact that when I started to dismantle the gearbox I bought off EBAY for $140 as a parts box, I checked inside and surprise surprise, Porsche Syncro bands. It is a P51 in very good condition and does not need to be stripped out.
    1968 RT40S Corona 1600S series II (restore in progress)
    1973 RT104-MQFG 012604 Corona GT JDM (Owned since 1976 242000 km)
    1989 ST185-BLMVZ-0007199 Celica GT4 JDM (unmolested classic 95000 km)
    2012 ZN-6 86GT (shed find 5000 km in 6 years)

  7. #7
    Junior Member Automotive Encyclopaedia Alchemist's Avatar
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    Default Re: P51 Gearbox Pictures you saw it here first.

    Sorry pardoning my ignorance, but does this mean that it's going to be too expensive to repair due to parts cost and you arn't continuing with the project?

    It's interesting to see the inards of this rare box though, I'm surprised River hasn't ventured in here yet and wet his pants...
    Current : 1996 JZA80 Supra SZ-R 2JZ-GE
    Current : 2003 ST246 Caldina N Edition 3S-GTE
    Past : 1990.5 SW20 MR2 3S-GE
    Past : 1976 TA23 Celica 2T-GEU

  8. #8
    Normally Aspirated Domestic Engineer RT104GT's Avatar
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    Default Re: P51 Gearbox Pictures you saw it here first.

    Quote Originally Posted by Alchemist
    Sorry pardoning my ignorance, but does this mean that it's going to be too expensive to repair due to parts cost and you arn't continuing with the project?

    It's interesting to see the inards of this rare box though, I'm surprised River hasn't ventured in here yet and wet his pants...

    No I was going full steam, pulled the whole box down in a day.
    Then I went out into the shed to commence canibalising the gearbox I just brought back from Melbourne off Ebay yesterday and found it is a P51 the same as the insides that I bought.

    So now I have a serviceable P51 and a pile of parts.

    1968 RT40S Corona 1600S series II (restore in progress)
    1973 RT104-MQFG 012604 Corona GT JDM (Owned since 1976 242000 km)
    1989 ST185-BLMVZ-0007199 Celica GT4 JDM (unmolested classic 95000 km)
    2012 ZN-6 86GT (shed find 5000 km in 6 years)

  9. #9
    Junior Member Automotive Encyclopaedia Alchemist's Avatar
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    Default Re: P51 Gearbox How you tell?

    Ah I see, awesome, you have some G/B gold in your hands then....
    Current : 1996 JZA80 Supra SZ-R 2JZ-GE
    Current : 2003 ST246 Caldina N Edition 3S-GTE
    Past : 1990.5 SW20 MR2 3S-GE
    Past : 1976 TA23 Celica 2T-GEU

  10. #10
    Normally Aspirated Domestic Engineer RT104GT's Avatar
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    Default Re: P51 Gearbox How you tell?

    Quote Originally Posted by Alchemist
    Ah I see, awesome, you have some G/B gold in your hands then....

    Its a boy (P51))

    So how about that for good luck in a big city?
    Last edited by RT104GT; 09-11-2006 at 07:06 PM. Reason: spelling
    1968 RT40S Corona 1600S series II (restore in progress)
    1973 RT104-MQFG 012604 Corona GT JDM (Owned since 1976 242000 km)
    1989 ST185-BLMVZ-0007199 Celica GT4 JDM (unmolested classic 95000 km)
    2012 ZN-6 86GT (shed find 5000 km in 6 years)

  11. #11
    Junior Member Conversion King timbosaurus's Avatar
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    Default Re: P51 Gearbox How you tell?

    Bonus!

    Well done on the buy!
    Current rides...
    2) White RA25ST
    1) Red RA28LT (NOW WITH 1G )

  12. #12
    Normally Aspirated Domestic Engineer RT104GT's Avatar
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    Default Re: P51 Gearbox How you tell?

    Quote Originally Posted by timbosaurus
    Bonus!

    Well done on the buy!

    Yeah well one guys buy means a sale.
    In this case the original factory fitted P51 serial number 5111190 140,000 genuine 140,000 km and not rallied.
    Last edited by RT104GT; 09-11-2006 at 07:06 PM.
    1968 RT40S Corona 1600S series II (restore in progress)
    1973 RT104-MQFG 012604 Corona GT JDM (Owned since 1976 242000 km)
    1989 ST185-BLMVZ-0007199 Celica GT4 JDM (unmolested classic 95000 km)
    2012 ZN-6 86GT (shed find 5000 km in 6 years)

  13. #13
    Toymods Net Nazi Too Much Toyota river's Avatar
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    Default Re: P51 Gearbox Pictures you saw it here first.

    Hi,

    Quote Originally Posted by Alchemist
    It's interesting to see the inards of this rare box though, I'm surprised River hasn't ventured in here yet and wet his pants...
    Don't you worry sunshine, there's been plenty of pants wetting 'cos many emails have already been exchanged between us.

    seeyuzz
    river
    The thinking man's clown and the drinking woman's sex symbol
    RA25GT - There is no substitute | 18R-G - Toyota's Dependable Masterpiece
    Toymods Car Club Treasurer, assistant Historic Plate Registrar & Forums Admin

  14. #14
    Yep they look great Carport Converter gianttomato's Avatar
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    Default Re: P51 Gearbox How you tell?

    Just wondering if you guys have looked at MA45 5 speed boxes?

  15. #15
    Normally Aspirated Domestic Engineer RT104GT's Avatar
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    Default Re: P51 Gearbox How you tell?

    Quote Originally Posted by gianttomato
    Just wondering if you guys have looked at MA45 5 speed boxes?

    On another thread now
    Last edited by RT104GT; 09-11-2006 at 07:08 PM.
    1968 RT40S Corona 1600S series II (restore in progress)
    1973 RT104-MQFG 012604 Corona GT JDM (Owned since 1976 242000 km)
    1989 ST185-BLMVZ-0007199 Celica GT4 JDM (unmolested classic 95000 km)
    2012 ZN-6 86GT (shed find 5000 km in 6 years)

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