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    Back to points and condensor

    Third time in my ownership I have struggled with electronic ignition. For the first time it was a relay home.

    Looks on first glance to be ignition module failure, there is LT circuit but no HT spark

    I am sorely tempted to remove this "improvement" and go back to twin points setup.

    You can fix them by the roadside, the initial replacement is cheaper than another hokey cokey 4000 ignition system that may or may not just give up at any point in the near or distant future.

    What would you do?
    Stags and Range Rover Classics - I must be a loony

    #2
    Electronic ignition seems to work well on all modern cars. I read here the occasional issue with it on Stags, from members who including those known to be mechanically adept.

    Is it a question of buying the "right" system? If so, which? It would be of interest to me as mine is in for an engine / box transplant from RV8, so I need to decide on type of dizzy.


    Usually problems come down to lack of maintenance and / or known weak parts that fail. Which type do you have?

    Comment


      #3
      Elec%20Ign%20Module%20(1).jpg

      this ^^ type

      Fitted June 2015 done approx. 200 faultless miles miles since but appears to have died completely.

      Aside from checking for 12v feed and HT spark how else can they be tested?

      Regs
      Stags and Range Rover Classics - I must be a loony

      Comment


        #4
        I have bought a pertronix unit, as has been recommended many times. It was easy to fit and I also bought the ignitor coil. I have since fitted an amethyst unit for programming the timing curve. It all works well and the pertronix is supposed to be very reliable. I bought it from pertronix Europe and they delivered next day. I think all in it was about £145 with out the amethyst.

        Tony

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          #5
          The four cars I've fitted powerspark to have never any a problem,including one which is six years old ,the spare kit is about the same size as points and condenser .

          Comment


            #6
            I've been through a few now and the last two were powerspark ( looks like the one in the picture) and accuspark both packed up in a short space of time. Following the advice on here I purchased a Pertronix from Pertronix Europe for £85 and it transformed the car, tick over, acceleration, response, and fuel consumption all vastly improved. The guy at Pertronix was very informative and he was saying that the afore motioned products are made in China whereas theirs are made in the States which sold it to me. He also said that the afore motioned products could produce up to 6deg variation in ignition timing between cylinders, and judging by the difference to my car I believe him.

            Comment


              #7
              Originally posted by piscean57 View Post
              Electronic ignition seems to work well on all modern cars. I read here the occasional issue with it on Stags, from members who including those known to be mechanically adept.

              Is it a question of buying the "right" system? If so, which? It would be of interest to me as mine is in for an engine / box transplant from RV8, so I need to decide on type of dizzy.


              Usually problems come down to lack of maintenance and / or known weak parts that fail. Which type do you have?

              Two tongue in cheeks coments coming up but first in the interests of full disclosure I prefer points and condenser and keeping a car as original as possible. A further disclosure is that I am an electronics engineer by trade. Back to the comments......

              1. I would say "electronic ignition" failures on modern cars are a reasonably high proportion of engine failures. This is based on my own and some other cars which I am aware of. Usually disguised as coil pack failures but these contain the coil and the ignition module. So yes they work well but they are not 100% reliable. In fact there have over the years been some highish profile failures on certain models where there havebeen systematic failures of ignition modules.

              2. You say problems come down to lack of maintenance and / or known weak parts that fail, I thought that one major plus for electronic ignition was the maintenence free aspect!

              Anyway I'm happy with twinpoints but understand others are happy with one of the various electronic modules .............. and some wish they had never heard of them

              Roger
              Now Stagless but have numerous car projects
              So many cars, so little time!

              Comment


                #8
                Had my pertronix for about 8 years and around 17K miles, no problems yet (hope I'm not tempting fate) the others are cheap for a reason!

                Comment


                  #9
                  Hi Staggard,
                  very interested in your remarks about the Pertronixs unit, I have just looked on there web site, wow, what a minefield! Could you let me know the model number of the unit you ordered?Did you buy it from the states or elewhere?
                  Thanks for any info,
                  Mick

                  Comment


                    #10
                    Hi Staggard,
                    very interested in your remarks about the Pertronixs unit, I have just looked on there web site, wow, what a minefield! Could you let me know the model number of the unit you ordered?Did you buy it from the states or elsewhere?
                    Thanks for any info,
                    Mick

                    Comment


                      #11
                      Electronic ignition can and should be very reliable and precise, but it does not suffer mistreatment as well as points. Before blaming the units its as unreliable, consider installation errors as a possible cause. If the ballast is not fitted or has been bypassed, and you are using a ballast type (6v) coil, the module may be overstressed. Also a poor earth connection may cause intermittent failure to operate correctly. There should be an earth wire in the distributor connected between the top and bottom base plates. One more common error is to connect the power to the coil POS, whereas it should be connected to a proper 12v supply, eg at the inertia switch.

                      I have been running a Powerspark unit for around two years and very pleased with it general performance, and rolling road tests.
                      Last edited by V Mad; 3 April 2016, 19:48. Reason: add note

                      Comment


                        #12
                        Hey Roger,

                        I have been known to make tongue-in-cheek posts too! Yes so as we know my mentioning maintenance wasn't specific to electronic ignition! but interesting what you say about moderns and coil packs.


                        I reckon that if a particular car model is getting a rep for coil packs, it is down to the design using a poor component or a flawed design. I have driven a couple of hundred thousand miles (dwarfed by what some say) in the last 10-15 years in 5 or 6 different BMW's and not once had a coil pack or starting issue. Contrast that to the 4000 I have done in the Stag over the last 5 years when I had constant starting issues - Mallory twin points dizzy. Lost count of how many times I replaced, coil, points and condensor all with various voltage readings issues etc. Swapped to a Lucas dizzy with electronic module (I think) which was better but still gave starting issues, no improvement swapping the electronics out.....nightmare and one of the reasons why it sat my garage unused for so long!

                        Comment


                          #13
                          Hi Mick,

                          The European site in the uk is at this link. The part is an ignitor LU-183 from what I can remember.



                          Tony

                          Comment


                            #14
                            Cheers for that, Tony

                            Comment


                              #15
                              Sorry but I believe buy cheap buy twice applies here. I would prefer to pay a bit more for a reliable system as the Aldon/ Pertronix has proved to be. Failures usually happen in the wrong place at the wrong time, a risk I'm not prepared to take.
                              Check the specifications of Pertronix and the cheap ones, you will see the Pertronix is specified up to 150degress C. Automotive spec is 125degrees centigrade, cheap ones do not specify, I wonder why? http://pertronix.com/prod/ig/ignitor/
                              Some say that the Ignitor can be damaged by leaving the ignition on with the engine off, possibly it can as will the coil on a normal system. Also the battery will flatten so not a good idea whatever ignition system is fitted.

                              Comment

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