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GM HEI module conversion ???

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    GM HEI module conversion ???

    I have seen a post about using GM HEI ign modules in place of our igniters.
    Has anyone tried this? I think I'm having IGN problems and I would sure appreciate any info.[-o<

    #2
    I don't know of any GS's running that set up, but I have heard of Honda CB's running it.

    Go here.
    and here.

    If you come up with something that works, by all means post it. :-D

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      #3
      Man I bet those suckers are cheap and plentiful in comparison to our ignitors...

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        #4
        Yeah, plus they're small enough that you can carry a spare for when it dies. The GM HEI is a good setup, but I've had a whole pile of those ECMs die over the years. I started carrying a spare with me and would change them roadside.

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          #5
          I was thinking of using the gm coils from a v6 they look like they would be pretty close to what we already have just a lot cheaper and have more performance.

          here's an example http://www.jegs.com/webapp/wcs/store...47653_-1_10681

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            #6
            Originally posted by n1elkyfan View Post
            I was thinking of using the gm coils from a v6 they look like they would be pretty close to what we already have just a lot cheaper and have more performance.

            here's an example http://www.jegs.com/webapp/wcs/store...47653_-1_10681
            You'll need to find out the resistance on them.

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              #7
              Those ones at Jegs are only 20 bucks a coil cheaper than Dyna greens from Z1.

              My time would be worth more than the added messing around to mount them but if they are 3ohm then they should work. If they are less you can put a resistor inline I think. Sqdancer lynn posted something about that to get 3ohm coils able to run with points.

              Dan
              1980 GS1000G - Sold
              1978 GS1000E - Finished!
              1980 GS550E - Fixed & given to a friend
              1983 GS750ES Special - Sold
              2009 KLR 650 - Sold - gone to TX!
              1982 GS1100G - Rebuilt and finished. - Sold
              2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!

              www.parasiticsanalytics.com

              TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/

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                #8
                The primary resistance on those accel coils is .5 ohms. I have already install a dyna s so I shouldn't have a problem with the resistance. I just figured these would be easer to get hold of especially is you used stock coils.

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                  #9
                  My friend has a Norton twin race bike with one fitted. It works well but I think the only problem is the advance & retard is preset for its intended use, he is looking into a way of changing this so if there is an update I will let you all know.

                  Mark...

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                    #10
                    Originally posted by REDDY View Post
                    I have seen a post about using GM HEI ign modules in place of our igniters.
                    Has anyone tried this? I think I'm having IGN problems and I would sure appreciate any info.[-o<

                    I read on a bathroom wall, guys were supergluing GM Rotchester Quadrajet carbs to thier GS1000's for an additional 17 hp. Can anyone confirm this?

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                      #11
                      Yes, Mr. Road Clam....
                      The QuadraJet secondaries act just like the induction system on the Yamaha V-Max! V-Boost I believe it was called.

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                        #12
                        I have the complete plans. I first saw it on the KZ site and it was for a 550.
                        should work for any 4 cyl like that though. it needs the inductive pickup though and mine was originally points so i went with Dyna S from Z1 ent.
                        I will be glad to email the plans though (pics, wiring diagrams etc).

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                          #13
                          HEI Plans etc.

                          I would be interested in getting a copy of the plans etc if you still have them

                          Thanks

                          Comment


                            #14
                            A guy called Lou from the KZ forums has done them up, go here:



                            However, they need to be adapted to other bikes as the pickup coils on the GS' appear to be different to the KZ's.

                            Matchless has a diagram that he worked on with Lou for the GS1000G:



                            My ignitor thread below is for the 450's, but there's no plan yet as we're still nutting it out.
                            1982 GS450E - The Wee Beastie
                            1984 GSX750S Katana 7/11 - Kit Kat - BOTM May 2020

                            sigpic

                            450 Refresh thread: https://www.thegsresources.com/_foru...-GS450-Refresh

                            Katana 7/11 thread: http://www.thegsresources.com/_forum...84-Katana-7-11

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