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04-29-2021, 09:20 AM | #21 |
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Join Date: Oct 2011
Location: CT.
Posts: 596
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Re: Pertronix Nightmare
Have been running Pertronix for nine years in my roadster. Runs like a swiss clock.
Working on a new coupe now with some running issues I have not solved yet. I need Ronnieroadster! It may be next!
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04-29-2021, 01:22 PM | #22 | |
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Location: East Coast in CT
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Re: Pertronix Nightmare
Quote:
Ronnieroadster
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I use the F word a lot no not that word these words Flathead , Focus and Finish. "Life Member of the Bonneville 200 MPH Club using a Ford Flathead block" Owner , Builder, Driver of the First Ford Flathead bodied roadster to run 200 MPH Record July 13, 2018 LTA timing association 200.921 in one and a half miles burning gasoline. First ever gas burning Ford flathead powered roadster to run 200 MPH at Bonneville Salt Flats setting the record August 7th 2021 at 205.744 MPH |
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04-29-2021, 01:22 PM | #23 |
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Location: new britain,ct 06052
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Re: Pertronix Nightmare
Ronnie's the man ! ! !
Paul in CT |
04-29-2021, 05:39 PM | #24 |
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Location: NJ
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Re: Pertronix Nightmare
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05-01-2021, 10:43 PM | #25 |
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Join Date: Oct 2011
Location: elmira,ny
Posts: 1,516
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Re: Pertronix Nightmare
I had Pertronix in my '41 forever. after a valve job it idled like crap. thought it was ignition
I had a spare pertronix and swapped it out and nothing. went back to my original and ok but lousy idle. contacted pertronix and they said send them back. a week or so later I received 2 new ignitor 1's. turns out my coil was way out of range for their ignition. I think my coil slowly went south but not enough to mess up the ignition but when I installed the spare it immediately burned out. other than that I've had great luck with Pertronix. FYI, the problem was a $7 PCV! |
05-01-2021, 10:47 PM | #26 | |
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Location: Minnesota, Florida Keys
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Re: Pertronix Nightmare
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05-02-2021, 10:06 PM | #27 |
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Join Date: Oct 2011
Location: elmira,ny
Posts: 1,516
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Re: Pertronix Nightmare
my crappy PVC gave me a bad idle. after I installed the new Pertronix ignition with a good coil, idle was still bad. then I discovered the PCV was bad. BTW, SBF in my '41.
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05-02-2021, 10:24 PM | #28 |
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Join Date: Dec 2013
Location: Minnesota, Florida Keys
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Re: Pertronix Nightmare
Wow! Interesting; I never heard of anything like that. It's good to know that a bad PCV valve can cause this kind of problem.
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05-03-2021, 10:03 PM | #29 | |
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Location: elmira,ny
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Re: Pertronix Nightmare
Quote:
position. After changing the PCV, idle smoothed out, vac jumped up and got rid of "popping" out the exhaust |
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05-03-2021, 10:20 PM | #30 |
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Join Date: Dec 2013
Location: Minnesota, Florida Keys
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Re: Pertronix Nightmare
Thanks for the explanation; you learn something new everyday.
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05-04-2021, 09:33 AM | #31 |
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Join Date: Oct 2017
Location: Venice, FL
Posts: 227
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Re: Pertronix Nightmare
I recently converted my '54 Mercury 6V positive ground car to PerTronix ignition and coil. Car is now much easier to start and runs great.
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05-04-2021, 09:52 AM | #32 | |
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Location: Oshkosh, Wi
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Re: Pertronix Nightmare
Quote:
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05-04-2021, 10:55 PM | #33 |
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Join Date: Oct 2011
Location: elmira,ny
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Re: Pertronix Nightmare
What ever was wrong, a new PCV solved my problem. Don't always believe if you shake a PCV and it rattles it is OK. My PCV rattled but was either in open position or close to open so my vac was low but steady. That's why I concentrated on anything that would effect all cylinders, to cause the low vac condition
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05-05-2021, 08:28 AM | #34 |
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Join Date: May 2010
Location: SPEEDWAY INDIANA
Posts: 4,148
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Re: Pertronix Nightmare
A flathead requires a "balanced" ignition system . Correct distributor , point, condensor cap rotor and ignition cables .
One wrong part and the system will fail . ( usually a incorrect ignition coil) do some reasearch and then use the best you can buy and it will work forever !!!!! |
05-05-2021, 04:21 PM | #35 |
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Join Date: Jul 2019
Location: Union City, CA
Posts: 57
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Re: Pertronix Nightmare
coil primary 1.6 secondary 11.2
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05-05-2021, 04:25 PM | #36 |
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Location: Union City, CA
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Re: Pertronix Nightmare
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12-21-2021, 01:38 AM | #37 |
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Join Date: May 2010
Location: Qld, Australia
Posts: 4,212
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Re: Pertronix Nightmare
This is a long shoot, I have asked petronox if the unit will trigger an MSD street fire unit , they said yes it will ,so have worded one.
Has any one done this, and its not for the 33 or 34 its for a customers rod. Lawrie |
12-21-2021, 04:06 AM | #38 |
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Join Date: Sep 2016
Location: sydney australia
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Re: Pertronix Nightmare
just curious if you run an alternator or generator Mallory use to supply a little red box called a power cell they said fitment was optional on alternator but mandatory with generator due to the fact that gen voltage regs are mechanical and therefore create micro spikes when they work and their electronics don't like it
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12-21-2021, 06:45 AM | #39 |
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Join Date: May 2010
Location: Qld, Australia
Posts: 4,212
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Re: Pertronix Nightmare
Car has an alternator fitted and is 12 v
Lawrie |
12-21-2021, 06:55 AM | #40 |
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Join Date: May 2010
Location: Melbourne Australia.
Posts: 2,078
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Re: Pertronix Nightmare
backrodebob, you state that your coil primary resistance is 1.6 ohms. In that case it should be used with a 1.5 ohm ballast resistor in series with the coil primary winding. Without the ballast resistor your coil primary current draw would be about 8 amps which is way to high for your Pertronix unit to handle and it is blowing up. The coil primary current draw should be only about 3 or 4 amps. Very important to understand how all these components work together. YOU CANT JUST GUESS HERE, EVERYTHING HAS TO BE CORRECT. I have had several pertronix units working in cars for over 30 years. Regards, Kevin.
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