505 3 Speed Auto to 5 Speed Manual conversion
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  1. #1
    1000+ Posts Pug_405_Mi16's Avatar
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    505 3 Speed Auto to 5 Speed Manual conversion

    All,

    I ended up buying the 505 SRD Turbo as a second car but have decided that I would much rather if the car had a 5 speed box in it.

    I have been given a 505 STI which has lost it's engine but still has both gearbox and clutch still in tact !

    The question is will a normal 505 gearbox marry up with the Deisel block ?

    Cheers

    Ben

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    1989 Peugeot 405 Mi16
    1990 Peugeot 505 GTD Turbo Wagon
    2000 Peugeot 306 XSI
    1973 Peugeot 504 GL





  2. #2
    Guru davemcbean's Avatar
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    Ben,

    The BA7 5 speed from the STi was never used on the diesel. Diesels are usually fitted with either a BA7 4 speed or BA10 5 speed. The bell housing and input shaft from the BA7 4 speed diesel box may fit the BA7 5 speed, but I'm not sure (I have a feeling the input shaft won't).

    If your happy with a 4 speed, it shouldn't be too hard to find one from a diesel for next to nothing, but a 5 speed is a different matter. If the one from your STi is any good you may be able to swap it with somebody for a diesel box.

    Dave
    NZ Fleet
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  3. #3
    Guru davemcbean's Avatar
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    Ben,

    I just realised, the 504 diesel Pick-Ups use a BA7 5 speed. Roland Pym in Sydney imports Pick-Ups. He may have the correct bell housing and input shaft lying around. I'll try and find his email address.

    Dave
    NZ Fleet
    1976 504 Ti
    1984 205 GT twin carb
    1991 205 SI 1.6GTI motor
    1994 106 Xsi
    1996 Mondeo V6
    Aus Fleet
    1955 203C
    1997 Civic Cxi (great allrounder- revy, flexible, nimble, comfortable , economical, simple and durable )

  4. #4
    Gone Fishin' Ray Bell's Avatar
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    I'll happily swap a diesel 4-speed with linkages, clutch and all for the five speed...

  5. #5
    Gone Fishin' Ray Bell's Avatar
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    Actually, I have a spare clutch and flywheel too... I think we should have a chat.

  6. #6
    1000+ Posts Pug_405_Mi16's Avatar
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    Ok that might be a plan.... the other question is will the 3 speed auto from the diesel work with a petrol motor ?

    Anyhow Ray email me at [email protected]

    Cheers

    Ben
    1989 Peugeot 405 Mi16
    1990 Peugeot 505 GTD Turbo Wagon
    2000 Peugeot 306 XSI
    1973 Peugeot 504 GL





  7. #7
    Gone Fishin' Ray Bell's Avatar
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    I've e.mailed you, Ben... I have no idea about the diesel auto working with the petrol motor... probably does if you get a torque converter and bellhousing off a petrol model.

  8. #8
    1000+ Posts Rod Hagen's Avatar
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    On a related note, are there any difficulties in replacing the 3 speed auto box on a 505 SLi wagon with the 4 speed auto? Much as I'd like to put in a 5 speed manual , my wife has arthritic problems that make manuals out of the question, but I hate the high revs with the three speed at 120kph on a country road.


    Cheers

    Rod
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  9. #9
    Gone Fishin' Ray Bell's Avatar
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    This is not as easy as it might sound. Well, not so difficult, but my understanding is that there's a bit more than just the transmission to change.

    The 4-speed is apparently physically longer, so the rear mount is different... totally different... and the torque tube would be shorter to compensate. This means that everything between the back of the engine and the nose of the diff would have to be swapped.

    I would say it would be difficult to find a donor vehicle... but apart from that I don't think you'd have any other issues to deal with... maybe the speedo cable.

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