i'm sold! I don't like/want the ballast and keeping a extra one with me sucks,so for the $39.00 its gotta be one of the best deals ever
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| 3 ohm coil? https://slantsix.org/forum/viewtopic.php?t=31913 |
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| Author: | lincparts [ Mon Oct 27, 2008 10:29 am ] |
| Post subject: | 3 ohm coil? |
If you run a 3ohm coil , can you remove/bypass the ballast resistor? i seen it in some old posts and am wondering if its true and if so which coil (mopar EI installed on car ) is best? |
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| Author: | KBB_of_TMC [ Mon Oct 27, 2008 11:22 am ] |
| Post subject: | |
The stock coil is around 1.5 ohms and the primary impedence around 2.4 mH. The stock point-type ballast is designed to get hot and increase resistance; roughly R= (0.5 + 0.633*A) ohms where A is the current in amps, while the stock electronic ignition ballast is about a constant 1 ohm. Hence, I'd suggest you bypass the resistor or you'd decrease your available spark energy (at least at low RPM) by a factor of ~40-50% (assuming the coil impedence is the same). |
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| Author: | lincparts [ Mon Oct 27, 2008 11:32 am ] |
| Post subject: | pertronix 3ohm |
anyone run a pertronix flame thrower 3 ohm coil, bypassing the factory ballast resistor? |
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| Author: | dusterguy225 [ Mon Oct 27, 2008 1:24 pm ] |
| Post subject: | Re: pertronix 3ohm |
Quote: anyone run a pertronix flame thrower 3 ohm coil, bypassing the factory ballast resistor?
Yep, I am! I did it quite a few months ago, and I bypassed the ballast. I have had no problems so far, and I love it. I am also running the stock ECU, but I want to get ahold of one of those orange ones, this one looks origional!
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| Author: | emsvitil [ Mon Oct 27, 2008 2:45 pm ] |
| Post subject: | Re: pertronix 3ohm |
Quote: anyone run a pertronix flame thrower 3 ohm coil, bypassing the factory ballast resistor?
Yep, no ballast and a Pertronix I for the points.Runs good, and no problems starting. |
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| Author: | lincparts [ Mon Oct 27, 2008 2:54 pm ] |
| Post subject: | sold |
i'm sold! I don't like/want the ballast and keeping a extra one with me sucks,so for the $39.00 its gotta be one of the best deals ever
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| Author: | dusterguy225 [ Mon Oct 27, 2008 4:08 pm ] |
| Post subject: | Re: sold |
Quote: i'm sold! I don't like/want the ballast and keeping a extra one with me sucks,so for the $39.00 its gotta be one of the best deals ever
I think it was definatly a good deal!
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| Author: | Aggressive Ted [ Thu Dec 18, 2008 11:31 am ] |
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Anyone ever try the square 3 ohm HV Pertronix coil that mounts on the inner fender with out the ballast resistor? If so, how well does it work? Thanks! |
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