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225 timing chain question

Discussion in 'Early CJ5 and CJ6 Tech' started by captain cj, Apr 17, 2008.

  1. Apr 17, 2008
    captain cj

    captain cj Member

    Crystal Beach...
    Joined:
    Sep 27, 2005
    Messages:
    331
    I am finally finishing up my motor and and getting close to starting so i am double checking a few things. First number one cyl. is pass side front correct? when I line up the timing marks on the cam sprocket and crank sprocket # 1 is not at tdc should it be right at the top of the cyl.?
    Thanks Steve
     
    captain cj, Apr 17, 2008
    #1
  2. Apr 17, 2008
    w3srl

    w3srl All-around swell dude Staff Member

    Port Orange, FL
    Joined:
    Nov 6, 2002
    Messages:
    4,275
    #1 cylinder is always the one closest to the front of the vehicle, if you look closely one bank is offset slightly behind the other.

    As for your second question TDC is just that, Top Dead Center. So yes, the piston must be all the way "up" in order to truly be at TDC.
     
    w3srl, Apr 17, 2008
    #2
  3. Apr 17, 2008
    captain cj

    captain cj Member

    Crystal Beach...
    Joined:
    Sep 27, 2005
    Messages:
    331
    Thanks Steve, So should I adjust my cam sprocket and crank sprocket so its on tdc and ignore the marks on the sprockets? also it a double roller set up. So # 1 would be the drivers side front cyl.
     
    Last edited: Apr 17, 2008
    captain cj, Apr 17, 2008
    #3
  4. Apr 17, 2008
    Warloch

    Warloch Did you say Flattie??? Staff Member

    Falcon, CO
    Joined:
    Mar 4, 2003
    Messages:
    5,470
    TDC is driver side front. If your marks don't line up - you need to figure out why. They should line up to allow a proper advance if available.
     
    Warloch, Apr 17, 2008
    #4
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