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Relay wiring with Pertronix |
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67 Marlin
AMC Addicted Joined: Feb/21/2015 Location: Minnesota Status: Offline Points: 877 |
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Chris, you have me thinking there's an even less invasive way to a couple extra volts. You have the 0.6 ohm Flamethrower II coil. The Flamethrower I is 1.5 ohm. Along with the 1.5 ohm resistance wire (checked the TSM), I've got some serious resistance going. Why not just go with your coil or one with zero internal resistance? That would get it done I think...
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needafasterAMX
AMC Addicted Joined: Feb/20/2008 Location: TLH,Florida Status: Offline Points: 724 |
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yes , you have the right idea. that is how I have mine wired, make sure you fuse the battery side.
I have my electric choke using the same circuit. I have not had any problem , I am using an MSD dizzy and hot box.
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74 AMX, 401
Viper spec T56 6 speed trans Hydroboost brakes with rear disks from a Avenger 3:73 TG rear,now Trutrac with 3:15 A Turbo is in my future. |
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Red20
AMC Addicted Joined: Jan/29/2013 Location: Oceanside CA Status: Offline Points: 1556 |
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Unless you’re using an internal diode relay and wiring it specifally with that in mind, 85 and 86 as well as 87 and 30 can be flip flopped with no issues. It’s just a coil and a switched path.
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1969 Javelin SST "Screamin' Banana" - Totaled Feb 2018
1973 Hornet Sportabout X "yellajack" - 360/727/TracLoc DAILY DRIVER |
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ccowx
AMC Addicted Joined: Nov/03/2010 Location: Yukon Status: Offline Points: 3510 |
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I took a look at my coil and it is a Flamethrower I, part # 40011 and is 1.5 ohms resistance. My mistake on the name! As I said it worked fine with the Pertronix I. I had the 1.35 ohm resistance wire with the 1.5 ohm coil, for a total of 2.85 ohms. My understanding is that most stock systems of the day have around 3 ohms of resistance. I have also used the same FT II coil with a set of Accel hd points and condenser with equal success. Unless you have something fairly hairy for an engine, you should be ok with what you have. Less resistance may effect point life.
Playing around with coils is a thought. I now have the old Group 19 set up, which uses a .75 ohm coil and a separate 1.5 ohm ballast resistor as well as the factory 1.35 ohm resistor wire. 3.6 ohms with the full resistance and 2.1 ohms with the ballast cut out. If my lack of ability with a multi tester is to be believed the voltage is 8.5v and 9.8v, respectively. I find it runs equally well either way, fwiw. Hopefully some of that ramble is of value! Chris PS: What I did eventually about the resistance wire was to simply splice a separate wire into the harness, bypassing the resistance wire. I ran the wire inside the harness and re-wrapped it, leaving the end at the starter relay. That way I can use either. Edited by ccowx - May/19/2018 at 3:17am |
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