RS2 cam pulley, camshaft. Question

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  • luki95
    S2Forum Buff
    • Aug 2014
    • 36
    • Country: Poland

    #1

    RS2 cam pulley, camshaft. Question

    Hi,
    engine in my RS2 was rebuilt but i have troubles with idle. https://youtu.be/AfVgNEXuX-U https://youtu.be/uqtBXBDgeHI (Hard to get it on camera)
    I am running ABY timing belt and water pump
    From the beginning, when I bought it, it had a timing pulley without the "b" mark
    When i set the crank pulley to the marks, mark at cam shaft pulley hit the mark on valve cover BUT camshaft dots looks like this:
    "IMG-2161.jpg
    "IMG-2151.jpg
    IMG-2159.jpg
    IMG-2146.jpg

    When i set camshaft dots to be aligned it looks like this:
    IMG-2165.jpg
    In this situation marks at camshaft, crank pulley are moved to the right:
    IMG-2163.jpg
    IMG-2162.jpg

    My question is what i need to do to get my timing right ?
    - Buy RS2 cam pulley with "B" stamp ? or stay with normal pulley because i am using ABY timing kit ?
    - align cam shafts ?
    - Stay with ABY timing belt and pump ? or change to RS2 ones ?

    Thank you for advices
    Lukas



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  • s0_big
    S2Forum Maniac
    • Dec 2009
    • 685
    • Country: Sweden

    #2
    I think you have put the intake camshaft one tooth wrong on the chain.

    Comment

    • luki95
      S2Forum Buff
      • Aug 2014
      • 36
      • Country: Poland

      #3
      Originally posted by s0_big
      I think you have put the intake camshaft one tooth wrong on the chain.
      Thank you for replay
      I remembered at your RS2 thread you have same problem ? I was looking for this post at your thread today but couldn't find it

      Comment

      • s0_big
        S2Forum Maniac
        • Dec 2009
        • 685
        • Country: Sweden

        #4
        I did that misstake. If you are running all ABY stuff everything should line up correct. In your first pictures all seems good, except for the marking on the inlet camshaft.

        Comment

        • luki95
          S2Forum Buff
          • Aug 2014
          • 36
          • Country: Poland

          #5
          Can you tell me also do i need RS2 cam shaft pulley ?

          Comment

          • s0_big
            S2Forum Maniac
            • Dec 2009
            • 685
            • Country: Sweden

            #6
            This is how your camshaft markings should look like. 45764-86bf3eacfe77dcf23947aabc16efc42a.jpg

            Comment

            • s0_big
              S2Forum Maniac
              • Dec 2009
              • 685
              • Country: Sweden

              #7
              Originally posted by luki95
              Can you tell me also do i need RS2 cam shaft pulley ?
              No you dont.

              Comment

              • luki95
                S2Forum Buff
                • Aug 2014
                • 36
                • Country: Poland

                #8
                Originally posted by s0_big

                No you dont.
                Summarizing:
                When i am running ABY cam pulley i have timing like normal S2 no change to opening and closing points ?
                When i am running ADU cam pulley even with ABY timing kit i have 10 degrees change in timing due to changes in pulley ? i am setting timing on marks because of 29 teeth water pump ?
                When i am running fully ADU set i have 10 degrees change in timing and i need to go half tooth of the mark on cam pulley because of 26 teeth water pump ?

                Comment

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