Cam belt tensioner...

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  • Flat on my back
    S2Forum Fiend
    • Jan 2007
    • 2449
    • Country: United Kingdom
    #1

    Cam belt tensioner...

    Got my 7A block fully stripped and ready for the machining ops...first is the fitting of the ABY belt tensioner.

    No problem with sorting the position for the holes, just concerned i dont drill too far and go into the water jacket!

    Anyone done this before? I know the ABY holes are 15mm deep but the 7A block doesn't look like it has as much metal in those places?


    Cheers.
    Carlos.

    On the look out for less bits for my s2 saloon project. Now supporting myself by shooting for my food. www.airgunforum.co.uk
    Tags: None
    • S2central.net
      Retired OG Mod
      • Jul 2003
      • 16590
      • Country: Northern Ireland
      #2
      I think you need to add metal to those points (by welding) - not 100% sure though - someone must have a BTDT.

      Paul
      Paul Nugent
      Webmaster http://S2central.net
      Administrator http://S2forum.com

      1994 S2 Coupe ABY - aka Project Lazarus
      2001 A6 allroad 2.5TDi - family tank
      2003 S4 Avant 4.2 V8 - daily burble

      Purveyor of HomeFries and Exclusive agent for Samco hose kits (S2/RS2)

      There are only 10 kinds of people that understand binary - those that do, and those that don't

        Comment

        • Flat on my back
          S2Forum Fiend
          • Jan 2007
          • 2449
          • Country: United Kingdom
          #3
          .

          Took the dims off another ABY block, both have a flat surface on the front where the tensioner goes...might need to look insde this block again.

          Not sure what welding you mean?

          I'll try and get some piccies up.
          Carlos.

          On the look out for less bits for my s2 saloon project. Now supporting myself by shooting for my food. www.airgunforum.co.uk

            Comment

            • Rusty
              Super Moderator
              • Jun 2004
              • 18953
              • Country: United Kingdom
              #4
              Put some universal blue gasket on the bolts when you do them up
              Cheers'en, AndyC
              1994 ABY Coupe - Projekt Alpinweiss

                Comment

                • Flat on my back
                  S2Forum Fiend
                  • Jan 2007
                  • 2449
                  • Country: United Kingdom
                  #5
                  .

                  Originally posted by Andy_Casey
                  Put some universal blue gasket on the bolts when you do them up
                  Why...wot have you done...

                  Anyway...

                  need the spec.of the ABY cam belt, length in mm, number of teeth?

                  Looking to source a 25mm version if i can?

                  Ta.
                  Carlos.

                  On the look out for less bits for my s2 saloon project. Now supporting myself by shooting for my food. www.airgunforum.co.uk

                    Comment

                    • S2central.net
                      Retired OG Mod
                      • Jul 2003
                      • 16590
                      • Country: Northern Ireland
                      #6
                      No need for that surely - just get an ABY one... Dahlback have some exotic fat ones - big wallet required for supersize sprockets unt belt.
                      Paul Nugent
                      Webmaster http://S2central.net
                      Administrator http://S2forum.com

                      1994 S2 Coupe ABY - aka Project Lazarus
                      2001 A6 allroad 2.5TDi - family tank
                      2003 S4 Avant 4.2 V8 - daily burble

                      Purveyor of HomeFries and Exclusive agent for Samco hose kits (S2/RS2)

                      There are only 10 kinds of people that understand binary - those that do, and those that don't

                        Comment

                        • Flat on my back
                          S2Forum Fiend
                          • Jan 2007
                          • 2449
                          • Country: United Kingdom
                          #7
                          Ah...

                          25mm crankshaft and water pump pulley wheel coming my way soon...been told the GTI mk2 cam wheel is 25mm and fits the ex camshaft...i hope?

                          Need the belt for my 2.5 lt turbo 7A engine...4-500 bhp...hopefully...

                          Staying on the safe side.
                          Carlos.

                          On the look out for less bits for my s2 saloon project. Now supporting myself by shooting for my food. www.airgunforum.co.uk

                            Comment

                            • Jamo
                              Retired OG Mod
                              • Mar 2004
                              • 21750
                              • Country: United Kingdom
                              #8
                              Never seen the need for large belt myself with so many of the power boys running stock equipment.

                              Even Javad is running stock at crazy BHP.

                              But I know theres a feeling the stock belt isn't up to the job for some reason.

                              Anyway heard the same rumour about the Golf wheel but never investigated as have an ABY/

                                Comment

                                • terrybullwon
                                  S2Forum Zealot
                                  • Mar 2006
                                  • 8782
                                  • Country: England
                                  #9
                                  Originally posted by Jamo
                                  Never seen the need for large belt myself with so many of the power boys running stock equipment.

                                  Even Javad is running stock at crazy BHP.

                                  But I know theres a feeling the stock belt isn't up to the job for some reason.

                                  Anyway heard the same rumour about the Golf wheel but never investigated as have an ABY/
                                  The fear is streching rather than snaping
                                  Chef

                                    Comment

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