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05-06-2022, 09:40 AM | #1 |
Registered User
Join Date: Mar 2007
Location: San Pedro River, SE Arizona
Posts: 734
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Flamethrower not working - need help
This Pertronix Flamethrower distributor came on the SB 327 in my ‘68 Suburban and has worked flawlessly until now. After recently reworking the cylinder heads, I reinstalled the distributor as removed. However, now it does not produce spark.
Checks confirm that it is getting 12+ volts from the switch and good grounding. I have disassembled the dist cap and can find nothing amiss, but am very unfamiliar with this thing and do not know the diagnostic procedure. I have been unable to find such info online – even at Pertronix web sites. I will appreciate receiving a source for such info or an explanation of the process here if not too consuming of your time. Thanks.
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CCCC 67 Sting Ray Coupe 327 4sp; 68 K10 Suburban 327 4sp; 69 K20 Lifted 383 4sp; 69 C80 Fire Truck 478 V6 5sp/2sp; 69 C20 Longhorn 327 4sp; 70 C30 Wrecker 350 4sp; 70 C30 Flat Bed 350 4sp; 71 C20 LWB 350 4sp; 72 K5 Blazer 350 4sp; 72 C30 Flat Bed Gooseneck Hauler with sleeper 350/TH400; 72 C20 Longhorn 402 4sp; 52 Mack LTL Supercharged Cummins 5sp x 3sp; 01 Dodge 5.9 HO Cummins 6spd; 02 Safari Trek 2430 8.1 Vortec on Workhorse Chassis; 03 Silverado 2500 HD 4wd Duramax/Allison Moved but still in the family 70 C20 Custom Camper 350/TH350; 72 K5 Blazer CST Highlander 350/TH350 Recently sent to new homes 72 C30 MoHome 402 4sp; 72 K5 Blazer Conv 350 4sp; 75 GMC 6000 Aerial 350 w Allison; 72 GMC 3500 Utility 350 4sp; 70 GMC 3500, 350 4sp |
05-06-2022, 08:55 PM | #2 |
Senior Member
Join Date: Apr 2016
Location: Cypress, TX
Posts: 3,563
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Re: Flamethrower not working - need help
Oh, man, I tuned in because I thought you had a solution for tailgaters you were trying to get going, and I was going to get me one.. .
More on topic, if you can post pictures of your setup it may help. I don't know about Pertronix Flamethrower but there are probably others here who will chime in. Are there separate tach and power connections for the distributor and you've plugged power into the tach terminal? I'm asking because we had somebody post recently here who did that with their HEI distributor, and it took a bit of troubleshooting just to figure out the power was plugged into the wrong spot. Stuff like that can easily happen. |
05-07-2022, 09:02 AM | #3 |
Msgt USAF Ret
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,703
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Re: Flamethrower not working - need help
Try unplugging the tach if you can. If the tach is grounded it won't fire the distributor.
That is if you have a tach.
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
05-07-2022, 10:20 PM | #4 | |
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Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,040
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Re: Flamethrower not working - need help
Quote:
I remember there is a test sequence for the coil, a certain resistance in Ohms between the terminals. Check with the manufacturer. They are particular about using their proprietary coil with their modules. [Could also be a burned out coil or module.] Or you could take the opportunity to convert to GM HEI -- which if you had now, a simple trip to the auto parts store would see you with fresh replacement parts anywhere in the USA -- rather than relying on propriety parts available from only one source. EDIT: Found it, but the diagram is inverted. Photo: Orange lead is 12VDC from Ignition-Unfused on Fuse block. White lead is Tach. Module leads are RED [+] BLACK [-].
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Every 25 years I like to rebuild that 292, whether it needs it or not. Last edited by '68OrangeSunshine; 05-07-2022 at 10:37 PM. |
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05-08-2022, 08:38 AM | #5 | |
Msgt USAF Ret
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,703
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Re: Flamethrower not working - need help
Quote:
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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05-08-2022, 08:38 AM | #6 |
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Join Date: Jun 2012
Location: wind lake WI
Posts: 1,747
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Re: Flamethrower not working - need help
Try this.
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05-09-2022, 04:07 PM | #7 |
Registered User
Join Date: Mar 2007
Location: San Pedro River, SE Arizona
Posts: 734
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Re: Flamethrower not working - need help
Thanks folks - much appreciated - but the unit here is not the setup where we install Pertronix components in a regular "points' dist - but rather a complete dist sold by Pert.
Their coil is in the cap - I find zero resistance between the red and yellow leads at the -plug - also zero between coil ground connection and the button output to rotor. Makes me think coil is dead - not cheap - need to figure out whether there aer other problems before I jump up and buy a coil. Still can't figure why it wold have suddenly died upon removal. I have a few older GM HEI dists here - have installed them in some of my other Chevs - maybe will go that route. Thanks again.
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CCCC 67 Sting Ray Coupe 327 4sp; 68 K10 Suburban 327 4sp; 69 K20 Lifted 383 4sp; 69 C80 Fire Truck 478 V6 5sp/2sp; 69 C20 Longhorn 327 4sp; 70 C30 Wrecker 350 4sp; 70 C30 Flat Bed 350 4sp; 71 C20 LWB 350 4sp; 72 K5 Blazer 350 4sp; 72 C30 Flat Bed Gooseneck Hauler with sleeper 350/TH400; 72 C20 Longhorn 402 4sp; 52 Mack LTL Supercharged Cummins 5sp x 3sp; 01 Dodge 5.9 HO Cummins 6spd; 02 Safari Trek 2430 8.1 Vortec on Workhorse Chassis; 03 Silverado 2500 HD 4wd Duramax/Allison Moved but still in the family 70 C20 Custom Camper 350/TH350; 72 K5 Blazer CST Highlander 350/TH350 Recently sent to new homes 72 C30 MoHome 402 4sp; 72 K5 Blazer Conv 350 4sp; 75 GMC 6000 Aerial 350 w Allison; 72 GMC 3500 Utility 350 4sp; 70 GMC 3500, 350 4sp |
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