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M42 timing components: 266k and counting

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    #16
    Which gains you 1 lb/ft of torque? I've read about this mod and find it funny, no offense. There are stock single row engines that have expensive 'upgrades' to two row chains and gears for strength and longevity. A couple examples I know of would be the w126 Mercedes 3.8l V8 and the Toyota 22r/e.

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      #17
      remember, every bit counts with an m42.



      IG: deniso_nsi Leave me feedback here

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        #18
        i've done a lot of things to reduce rotational mass as well as weight in and outside of the engine and car, that's my focus for the build. i have no problem changing the chain every 50k as opposed to 100k, or whatever the recommended interval is.

        metric mechanic has been doing this on high HP engines for many years with no failures (according to their website). and people were doing this on M10s decades ago on engines that saw way more HP than i'll ever have, so i'm not worried about a failure.

        oh yea that and a turbo becauseracecar.

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          #19
          Originally posted by bflan2001 View Post

          oh yea that and a turbo becauseracecar.
          fuckin classsic.
          Originally posted by 325Projectz
          don't listen to the diagram... listen to mr. swiss.
          :nice:

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            #20
            Originally posted by Ryann View Post
            ^Awesome. How many DESTROYED m42 timing sets have we seen w/200k+? I'm thinking those cars have racked up some serious miles with a faulty original tensioner.
            And broken odometers not showing their true mileage?

            lol
            Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205



            OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827

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              #21
              I think I might win with the most pointy sprockets. These are my old sprockets before I replaced mine.

              sigpic

              1989 Alpine 325is 2dr m50 swapped
              Build Thread:
              Current ongoing build. Check it out!
              1991 318is 4dr rallycross
              Rallycross Build Thread.
              1991 Alpine 318is coupe - sold

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                #22
                Originally posted by Jean View Post
                And broken odometers not showing their true mileage?

                lol
                Good point. Or clusters that have been changed out altogether..

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                  #23
                  This thread has inspired me to replace my tensioner this month along with the belts. Engine has over 200k and a limited maintenance history.
                  Last edited by Fourbanger; 11-08-2011, 07:04 PM.

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                    #24
                    Well I just got my 318is this weekend with 217k on it so I'll try and get some pics up when I have a chance.
                    Different strokes for different folks.

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                      #25
                      Threehz - lotsa good stuff on M42club.com too ... you should check it out if you have not already.
                      Parts Collector and Former Houndstooth interior junkie.

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                        #26
                        ~150k :/



                        This winter im doing the timing overhaul, along with the MM single row chain.

                        -NICK

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                          #27
                          Mine has 230k and I know DICK about the maintenance record of this car. I should probably check that.

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                            #28
                            basking in the warm glow of M42 love. Can't wait to get home to mine and swap in the rebuild. Already dreaming about rebuilding the M42 that's still in my car for turbo, BECAUSE RACE CAR!

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                              #29
                              the single row chain swap is a complete joke.

                              anyway, a complete timing set is under 600 with crank and cam gears from pelican. much better than having a ticking time bomb

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                                #30
                                Originally posted by B-well View Post
                                the single row chain swap is a complete joke.
                                Care to elaborate?

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