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12-27-2005, 05:28 PM
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#1 |
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And Don't Call Me Shirley
 
Join Date: Oct 2005
Location: Cameron Park, CA
Posts: 115
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Does Pertronix Need a Full 12 volts?
The gentleman who owned my truck before me installed a Pertronix electronic ignition under the stock distributor cap. Also he installed one of their FlameThrower coils. I'm doing some upgrades on the wiring and I must double check that this ignition is hooked up correctly. Should it have a full 12 volts to it?, or should there a ballast resistor or resistance wire?
I'm sure there are members out there running this same ignition. Does anyone still have the instructions that came with it? 
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Rick Tucker 1969 C20/Custom Camper (the Green Machine)Sold 1970 GMC 4000 COE (future Ramp Truck) 1972 K10 Longbed (restoration begins June 2020) |
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12-27-2005, 05:33 PM
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#2 |
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Registered User
Join Date: Feb 2005
Location: Bay Area, California
Posts: 995
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Re: Does Pertronix Need a Full 12 volts?
Mine is hooked right up to the coil for power... Not sure of the voltage it gets though,...
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1971 Chevy C10 Shortbed Stepside, 307v8 3-on-the-tree |
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12-27-2005, 06:54 PM
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#3 |
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18 Till I Die
Join Date: Mar 2005
Location: Alberta, Canada
Posts: 1,522
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Re: Does Pertronix Need a Full 12 volts?
No Ballast, A good gauge of wire to ignition start amd run.
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2011 GMC Acadia 1969 GMC BBC LS7 2007 GMC Crew Duramax 1987 Camaro Iroc 350 Tuned Port Injection 42000Km 1987 Chevrolet Silverado 350 TBI 1987 Chevrolet Silverado 350 TBI(yes 2) Take me drunk, I'm too home... 
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12-27-2005, 07:59 PM
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#4 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Does Pertronix Need a Full 12 volts?
It depends on the unit. I have run 2 Pertronix conversions.....the 1st was a lobe sensor, & needed a ballast resistor. The last 1 was a "flying magnet" setup(the thing basically triggered off a magnetic ring bolted under the rotor). This one runs on full battery voltage, & really works nice.....I really didnt like the 1st setup .
L
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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12-28-2005, 01:23 AM
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#5 |
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Its Magically Delicious
Join Date: Jan 2003
Location: oregon
Posts: 2,398
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Re: Does Pertronix Need a Full 12 volts?
My igniter 1 is hooked to 12 volts with no resistor or ballast .... works great
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71 C10 LWB 350sbc -TH350 12 bolt 3.42 Posi Of all my favorite things to do, The utmost is to have a brew. My love grows for my foamy friend, with each thirst-quenching elbow bend. Beer so frosty, smooth, and cold it's paradise pure liquid gold. Yes beer means many things to me that's all for now cus I gotta pee. |
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12-28-2005, 01:56 AM
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#6 |
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Senior Member
Join Date: Jul 2004
Location: Estherville, Iowa
Posts: 3,371
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Re: Does Pertronix Need a Full 12 volts?
Wouldn't it depend more on what the coil wants ? Any Chevys I have seen run the resistor wire or a ballast to the coil, reducing voltage to around 8 or so through the points and coil. IIRC Pontiacs used full 12 volt to the coil, but were a "resistor" coil design, still allowing only 8 volts through the points and coil. Now you are eliminating the points, but I think the coil still need to be fed what it was designed for, else it could overheat.
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1968 C10 307 3spd Long Fleet ------ http://67-72chevytrucks.com/vboard/s...d.php?t=201103 1970 C10 305 Super T10 Long Fleet --- http://67-72chevytrucks.com/vboard/s...d.php?t=202285 1971 C20 383 TH350 Dana Posi ----- http://67-72chevytrucks.com/vboard/s...d.php?t=206894 2001 GMC Sierra 1500 C3 6.0 |
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