1981 308 GTSi Camshaft Tool | FerrariChat

1981 308 GTSi Camshaft Tool

Discussion in '308/328' started by sycklylow, May 29, 2012.

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  1. sycklylow

    sycklylow Rookie

    Apr 30, 2012
    7
    Does anyone know where I can buy the camshaft tool for the 308?
     
  2. Matto

    Matto Formula 3

    Dec 26, 2011
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    Matthew
  3. sycklylow

    sycklylow Rookie

    Apr 30, 2012
    7
    No i meant the tool to hold the cams still while replacing the timing belts sorry.
     
  4. stevel48

    stevel48 Formula 3

    Jan 4, 2005
    1,998
    Metrowest MA
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    Steve (85 308 Owner)
    unobtanium supply I believe.
     
  5. Matto

    Matto Formula 3

    Dec 26, 2011
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    Mooresville, NC USA
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    #5 Matto, May 29, 2012
    Last edited: May 29, 2012
    Ah, ok. Well, they're often homemade. For the 2-valve car, you can make your own or buy one from Verell at Unobtainium Supply.

    Good homemade info:

    http://f308.blogspot.com/2009/09/timing-belts-easy-one-first.html

    http://ferrarichat.com/forum/showthread.php?p=136366773

    You can contact Verell, if you want to buy his ready-made tool:

    [email protected]

    On the 4-valve car, we don't have as much camshaft to grab, so the tool is different and grabs the pulleys instead. The pulley-lock tool is a bit simpler though. I don't see why you couldn't use it on a 2-valve. Just tweak it to take into account the larger span between the camshafts.

    http://ferrarichat.com/forum/attachment.php?attachmentid=488432&stc=1&d=1175116225

    The bottom line is that anything that you create that immobilizes both pulleys and stays out of the way of the belt will work :) If you have the fiberglass/plastic pulleys, just be sure that whatever you use doesn't dig into them or rough them up. Make sure that you can still loosen your tool and remove it once the belt is on :D

    I hope that helps.
     
  6. Ladybegood

    Ladybegood Karting

    Feb 17, 2012
    189
    Derbyshire, GB
    has anyone got a technical drawing for the 4 valve tool so i can make one? cheers JK
     
  7. miketuason

    miketuason F1 World Champ
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    #7 miketuason, May 29, 2012
    Last edited by a moderator: Sep 7, 2017
  8. Verell

    Verell F1 Veteran
    Consultant Owner

    May 5, 2001
    7,022
    Groton, MA
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    Verell Boaen
    2V tools are in stock, just send eMAIL.

    Mike, That's a nice looking tool.

    I think the Unobtainum Supply production 4V tool of necessity will end up looking a lot like yours, except that I'll cast the parts out of polyurethane, so will be soft enough to slightly conform to the cam gear teeth.

    It's getting close to the top of my O2it list.
     
  9. stevel48

    stevel48 Formula 3

    Jan 4, 2005
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    I use hockey pucks. simple and easy.
     
  10. don_xvi

    don_xvi F1 Rookie

    Nov 1, 2003
    2,934
    Outside Detroit
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    Don the 16th
    Wait, that's awesome! Cut them up as done in the pictures?
     
  11. sycklylow

    sycklylow Rookie

    Apr 30, 2012
    7
    Nice designs, gives me some ideas for making tools. Thanks again everyone for the help.
     
  12. Matto

    Matto Formula 3

    Dec 26, 2011
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    Matthew
    Hockey pucks would be great. You mark them up and use hole saws, which are at least very close to the pulley diameter.
     
  13. Robz328

    Robz328 F1 Veteran
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    Mar 16, 2009
    6,299
    ATL, Georgia
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    Rob Hemphill
    Great DIY tool!

    I chose a "one-off" and it only worked once :p.

    Definitely make a tool like this one for the 4V. Verrell's is a great 2V tool.

    Interestingly, on my Lexus V6, there is no need to clamp the pulleys because the engine is "resting" when all the marks are aligned...not true with my 328.

    Be sure to mark the pulleys, the (old and new) belts, and the flat areas behind the pulleys (for the 328 its the back timing covers). Then, if a pulley does disengage, you can get then into position with a socket without creating a problem. As long as the crank didn't move, you should be able to get it back onto the proper tooth (it's a fairly big step, a tooth size).
     
  14. 2dinos

    2dinos F1 Rookie

    Jan 13, 2007
    3,023
    Beautiful tool. Very nice design.
     
  15. stevel48

    stevel48 Formula 3

    Jan 4, 2005
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    #15 stevel48, May 31, 2012
    Last edited by a moderator: Sep 7, 2017
    You can and you can also cut them in half, notch out a section that allows a small C clamp to fit inside of the half pucks, place them INSIDE of the cam gears and you use the C clamp to apply pressure to lock them.
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