Just wondering if you are thinking non resistor plugs will help with the amp draw for the ignition circuit???
Not trying to be combative at all, just pointing out it is the primary side of the coil we have been talking about that causes the excessive draw on the ignition. Flame suit on
unk:
no worry here- I am just trying to get rid of the !@#$!#@$T!Y%U^%$!#ing stuttering when it runs. sometimes it runs fine, other times it misses. I have gone through electrical (I thought/think) possibilities, fixed some carb issues that the SOB who charged me $300 to rebuild dorked up (see pic). It is either a bad connection somplace or the/a plug is miss firing. so I figured I would get new plugs and try that.
Do you think going NR plug would make the coil draw more current ? I would think it would take less to fire an NR plug :confused2::confused2:
The amp draw is only going to be on the primary side of the coil. It is independant of the secondary side of the coil. The primary side amp draw is based on the input voltage, 12v, and the resistance of the primary coil; COP ~1.5, stock ~ 3. Since the coil is basically a transformer when the ignition interupts the voltage from the primary side it discharges through the secondary side greatly increasing the voltage. Depending on the coil windings this could be, and I am guessing, probably around 30,000-40,000 volts. By ohms law if the voltage goes up then the amperage must go down. So basically we are seeing very very small amperage on the secondary side. So to answer your question, finally, a NR plug will not cause the coil to draw more current. Basically all a resistor type plug does is help supress the Radio Interference from the high voltage discharge. Hope this answers your questions.
Electrical inganeers, please correct me if I am wrong.
Now on to your intermentint miss with the dyna. I had a Dyna until my R/R f*cked up and was putting out 19.5 volts and pretty much fried a lot of shit. Anyways I had a intermintent miss as well. When I went back to my stock ignition it went away. Well this is the only thing I could figure out and once again please correct me if my thinking isnt in the right direction. If you look at the curve for the Dyna
http://www.dynaonline.com/skins/downloads/instruct/D3K7-7.pdf
it has a dotted curve for partial throttle that is waaaay more advanced then the factory. For example at 4k rpm stock is 36 degrees. Dyna is 45 degrees. 5k stock is 37 dyna is 47. So basically it is 10 degrees more advanced at partial throttle. I would notice this when I got happy with the throtte. With the dyna the stutter would go away instantly and run like a raped ape. As compared to my stock ignition it runs smooth the whole time but doesnt have the kick to it when I get on it hard. Remember when you view the link above you have to add 10 degrees to their curves to compensate for our vacuum advancer. The way I know this is I called Dyna, they are here in So Cal and asked one of their engineers why their curves are less than our stocker curves. He said I was silly. I emailed him the link to the tech manual on vmaxoutlaw and told him the page number and to compare. He called me back the same day and told me I was the only one to notice that in all the years they had been selling them. He did some research and got back to me. He told me that the paper curves dont include the 10 degrees added by our vacuum advancers but the ignitor does take it into account. Maybe with the extreme advance we are getting some preignition and it might feel like a miss??????:ummm::confused2::ummm:
Cheers
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