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Hot Rods Pertronix Ignitor II Feedback/Experience Requested

Discussion in 'The Hokey Ass Message Board' started by donsz, May 10, 2020.

  1. donsz
    Joined: Nov 23, 2010
    Posts: 211


    Just wondering if anyone has any feedback regarding the Pertronix Ignitor II ignition. I have a complete distributor, when I opened it up I saw the Pertronix Ignitor II module. I also have a Flame Thrower coil.
    The situation:
    The engine (Chevy 348) misses and seems to pop out of the carb when primaries and secondaries are actuated (under load and during rapid throttle movement (from idle to primaries to secondaries opening)).
    - Compression is good on all cylinders
    - Spark seems strong (idle and throughout the rpm range)
    - Replaced the carb with a new carb
    - Timing is correct
    - Advance seems to work
    - Spark plug wires are new (tried three sets actually)
    - Firing order is correct
    - Plugs were cleaned and gaps checked
    - Don't appear to be any vacuum leaks
    - Distributor cap seems fine, but I did burnish the contacts. After about 20 minutes of off and on running, the contacts are carbonized again beyond what I would have thought they should be.

    Any thoughts would be appreciated, thanks,
    chevy57dude likes this.
  2. chevy57dude
    Joined: Dec 10, 2007
    Posts: 5,703


    Thrilled with mine, strong spark and holds true timing. I gutted a NOS Accell dual point and put the kit in it. Sorry your W isn't treating you well. Are the valves lashed correctly? Inductive timing light helps, move it to each plug wire to check for consistant spark.
    lothiandon1940 likes this.
  3. Dave Mc
    Joined: Mar 8, 2011
    Posts: 2,012

    Dave Mc

    Flame Thrower coil = made in China . Mine was fine for 9,000 miles , then it wasn't . Bubba's Ignition recommended a Bosch Coil to replace it. Much better now
    Last edited: May 30, 2020
    lothiandon1940 and olscrounger like this.
  4. You did better than me, and I had two.
    lothiandon1940 and Dave Mc like this.

  5. We can beat around maybe this and maybe that when it comes to Pertronix issues. First mistake when thinking it has a problem is going to the internet to fix it. Pertronix has one of the BEST Tec departments out there. When you talk to them first off they do NOT ASSUME the problem is with something of yours. They want to help you. When there is a problem with one of there units they stand behind it. If you want Good advice on what to use along with the dist. call 909-599-5955 they won't steer you wrong. I have to say I have them in 3 of my vehicles and another coming up. I've installed I don't know how many, 10 or more for sure. A few little issues but never left hanging.
  6. PackardV8
    Joined: Jun 7, 2007
    Posts: 889


    Assume the above refers to the poles inside the cap where the spark jumps from the rotor to the cap?
    Are they brass or aluminum?
    Does the rotor have a resistor built in it?
    Is the Pertronix getting a full 12-volts or through a resistor?

    jack vines
  7. I agree 100% with this comment. I have been running Pertronix since they first came out (for my 327/375 HP SBC - I told them what needed to be done to install one in a dual point Corvette distributor), and their P-II unit since it was first issued (for my son's Hilborn injected 302 SBC). I am completely satisfied with their products. I have discussed technical information with their TECH guys and have found them to be most helpful and professional.
    Doug Kennedy, olscrounger and Dave Mc like this.
  8. FityFive
    Joined: Aug 9, 2010
    Posts: 305


    Dave MC,

    Do you have the Pertronix Ignitor I, II, or III?

    Thanks for the coil info.
  9. Dave Mc
    Joined: Mar 8, 2011
    Posts: 2,012

    Dave Mc

    Ignitor II …. If and when you call the Tech Help Line, They will tell you the Ignitor II will either work or it won't , no splatter issues there . when the Ign. II goes bad , it will have a burn mark on the little plastic cover or you will smell electric burn .
    Last edited: May 10, 2020
    dan griffin likes this.
  10. tubman
    Joined: May 16, 2007
    Posts: 5,144


    And therein lies the problem. When they go, they go. They do not deteriorate slowly over a period of time like a conventional points ignition. Unless you are a complete dolt, you will have plenty of notice of a problem with points, Not so an electronic ignition. I find it curious that they are so familiar with the characteristics of module failure.
  11. Pertronix war stories are all over the internet. The guys who have had good luck with it will defend Pertronix to the death but I have never heard of an ignition system that has had more reported failures online than this one. I've even heard of guys carrying a spare unit so when the one in the car fails they can still get home. No thanks.
  12. I believe this is due to so many people not using compatible parts and/or reading the instructions until they fully understand them.
    dan griffin, brigrat and Dave Mc like this.
  13. I have almost 10 years on my Pertronix II. Starts quicker, and improved gas mileage almost 2 mpg. (Hard to do with a blower motor running 2 Holley 650 double pumpers!). The Pertronix module is replacing the points in an old dual point Mallory dist. No problems here.
    olscrounger and Pist-n-Broke like this.
  14. jaracer
    Joined: Oct 4, 2008
    Posts: 430


    Know any old fart with an ignition scope? You can tell if you have an ignition problem in seconds with a scope and someone who knows how to use it.
    dan griffin and Truck64 like this.
  15. What he said!

    Besides, sounds lean to me.

  16. jimmy six
    Joined: Mar 21, 2006
    Posts: 6,876

    jimmy six

    I’ve used there Pertronix 11 for 6 years along with their coil. NOT like most I retained the stock ballast resistor because I read a lot about their coil problems. The tech I called said it would be fine with exception of a little less secondary voltage to the plugs. As an electrician I under stood and felt the coil would run cooler.
    Dave Mc and olscrounger like this.
  17. 17C0C8D5-5E52-4D49-9F5E-956BA7F888C3.jpeg Gone thru 2 separate Petronix units in 3 years,no more; went back to points—-you can always “get back home” on points. I will never return to electronics!
  18. ronnieroadster
    Joined: Sep 9, 2004
    Posts: 756


    Been running Pertronix conversions for more than 10 years and many thousands of miles with no failures ever of course I use the correct ohm coil with the Ignitor. Also set many Land Speed Records with the Pertronix Ignitor 2 system never fails to work perfectly.
  19. My avatar has had a Pertronix in it for 8+ years. Initially it had the Ignitor in it, it had some issues that were factory problems and I moved up to the Ignitor II. Supposedly you do not need a ballast resistor but it runs better and stronger with it. After several conversations with Bubba’s Ignition’s regarding coils burning up, we decided to use the ballast resistor - no problems since. It runs great, and I have driven the car cross country several times. I also had an Ignitor II unit in my 40 Ford coupe with an 8BA, and have an Ignitor II unit in my 32 5-window with a 364 Nailhead, both with a ballast resistor - no problems. I use the old Chrysler unit. You can message me and I will give you the part number. I’m most a believer ......
    Dave Mc likes this.
  20. vtx1800
    Joined: Oct 4, 2009
    Posts: 1,060


    I have both a II and a III. The III was a whole new unit and the module shot craps. I contacted them and they said send a picture of the unit with the wires cut and we will send you a new module. A few days later I had a new module and was on the road. Maybe not the same application but my father in law put a Petronix in his John Deere and he said that was one of the best things he did. It started easier and did better on fuel. That was 20 or more years ago.
    mitch 36 likes this.
  21. olscrounger
    Joined: Feb 23, 2008
    Posts: 3,946


    Have used many pertronics in 40's over the years-only problem was a coil failure once. Wife's 55 has an old crane electronic conversion running with a ballast resistor--has been in the car over 30 years-no issue.
  22. kabinenroller
    Joined: Jan 26, 2012
    Posts: 495


    Does this Bosch coil have the 1.5 ohms resistance needed for the Ignitor model? I looked at the Bosch website but it does not supply that information. Or are you using a stand alone resistor?
  23. Dave Mc
    Joined: Mar 8, 2011
    Posts: 2,012

    Dave Mc

    Bubba's Ignition didn't supply that info. just said that the Bosch unit was the best replacement for the Flame Thrower Coil with the Ignitor II . I bought the Bosch coil off epay , came new in the box with no tech sheet .
    Last edited: May 10, 2020
  24. XXL__
    Joined: Dec 28, 2009
    Posts: 1,839


    I think you've got your expectations backwards. If you're building a product and DON'T understand its failure modes, that's the red flag.

    EVERY product will fail, either from a quality perspective or a functional limit. The question is, under what circumstance is the failure? Is the failure beyond the "limit of expectations?" If yes, then tell customers to not do that (eg, a "12VDC product being run in a 24V electrical system... 12V car electrical systems shouldn't be operating beyond about 14V, give or take... so don't install on a system that operates beyond that.). Or, is the failure within expectations-- a "quality" issue-- (in the above example, the 12VDC product failed on a properly functioning 12V system).

    As for the well-flogged Pertronix topic, add me to the list of people who have used their products many times with minimal issues. (Now my DD isn't going to start in the morning, is it???)
    Pist-n-Broke likes this.
  25. deucendude
    Joined: Oct 31, 2008
    Posts: 577

    from norcal

    Lots of Hear say !
  26. deucendude
    Joined: Oct 31, 2008
    Posts: 577

    from norcal

    Pist-on-broke is right on. You have to read the instructions. One of my cars has had the same one in it for 26 years and it drove 5000 miles to Kentucky from Ca. last summer. I don't think this will ever end!
    Last edited: May 12, 2020
  27. The first person to say any product is Junk is the Guy that created his own problem and don't want to accept responsibility for doing so. It's the "I know what I'm doing" syndrome.
    firstinsteele likes this.
  28. Jokester
    Joined: Jan 29, 2005
    Posts: 429


    I agree. The thread was about his engine not running well, not Pertronix bashing.

    Check your fuel pressure.


    Sent from my iPad using The H.A.M.B. mobile app
    Pist-n-Broke likes this.

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