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msd ignition do you run a ballast #467537 09/13/09 11:31 PM 09/13/09 11:31 PM
Joined: Aug 2003 Posts: 7,063 Indiana maxie OP master
maxie OP master Joined: Aug 2003 Posts: 7,063 Indiana	I am running a 8546 distributor, a blaster 2 coil and a msd 6al2. I have the system wired up and I am running the original ballast resistor. Am I losing any HP doing this?

Re: msd ignition do you run a ballast [Re: maxie] #467538 09/13/09 11:47 PM 09/13/09 11:47 PM
Joined: Jan 2003 Posts: 1,807 Mopar Country, Mi ccdave The Ultimate
ccdave The Ultimate Joined: Jan 2003 Posts: 1,807 Mopar Country, Mi	I removed the resistor and merged all of the wires together. One less thing to go wrong

Re: msd ignition do you run a ballast [Re: maxie] #467539 09/13/09 11:50 PM 09/13/09 11:50 PM
Joined: Jul 2004 Posts: 19,317 State of confusion T Thumperdart I Live Here
Thumperdart I Live Here T Joined: Jul 2004 Posts: 19,317 State of confusion	I think the directions state to by-pass that puppy and tie those wires together. 72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....

Re: msd ignition do you run a ballast [Re: Thumperdart] #467540 09/13/09 11:56 PM 09/13/09 11:56 PM
Joined: Aug 2003 Posts: 7,063 Indiana maxie OP master
maxie OP master Joined: Aug 2003 Posts: 7,063 Indiana	The car has been together like this for 3 years now. So the ballast is cutting the voltage down from 12 volts to what maybe 9. So I am not getting the full potential out of my ignition. So I need to somehow modify the ballast to where it is still on the car, but not functional. I want it to look somewhat correct on the wiring.

Re: msd ignition do you run a ballast [Re: maxie] #467541 09/14/09 12:05 AM 09/14/09 12:05 AM
Joined: Jul 2004 Posts: 19,317 State of confusion T Thumperdart I Live Here
Thumperdart I Live Here T Joined: Jul 2004 Posts: 19,317 State of confusion	As I understand you DO NOT want to run through the ballast......it may run but probably not up to it`s full potential. 72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....

Re: msd ignition do you run a ballast [Re: maxie] #467542 09/14/09 12:39 AM 09/14/09 12:39 AM
Joined: Feb 2005 Posts: 4,884 Michigan MNobody master
MNobody master Joined: Feb 2005 Posts: 4,884 Michigan	Remove the resistors from the backside of the ballast and solder a heavy wire in it's place.

Re: msd ignition do you run a ballast [Re: maxie] #467543 09/14/09 12:55 AM 09/14/09 12:55 AM
Joined: May 2008 Posts: 5,399 Aurora, Colorado 451Mopar master
451Mopar master Joined: May 2008 Posts: 5,399 Aurora, Colorado	Quote: I am running a 8546 distributor, a blaster 2 coil and a msd 6al2. I have the system wired up and I am running the original ballast resistor. Am I losing any HP doing this? The MSD only uses the voltage from the old ballast wire connection to let the box know the ignition is turned. If you check the voltage on both sides of the ballast resistor they should be almost identical (maybe 0.1 volt drop?) because the MSD unit only pulls a very small amount of current on that line. You could remove the Ballast resistor just to eliminate the extra parts and connections, but the MSD unit will be putting out the same amount of power either way.

Re: msd ignition do you run a ballast [Re: 451Mopar] #467544 09/14/09 02:35 AM 09/14/09 02:35 AM
Joined: Jan 2003 Posts: 4,152 SO. CAL. 7 70blackfish master
70blackfish master 7 Joined: Jan 2003 Posts: 4,152 SO. CAL.	its just turning the box on or off. your not loosing anything. but if that ballast goes out, your box will not turn on, and you will be FORD found on road dead

Re: msd ignition do you run a ballast [Re: MNobody] #467545 09/16/09 09:57 PM 09/16/09 09:57 PM
Joined: Feb 2008 Posts: 102 Niagara, Ontario Canada M mrpatel member
mrpatel member M Joined: Feb 2008 Posts: 102 Niagara, Ontario Canada	Solid wire across the back of the Ballast resistor. Looks clean and gives you easy connection points

Re: msd ignition do you run a ballast [Re: mrpatel] #467546 09/16/09 10:00 PM 09/16/09 10:00 PM
Joined: Jan 2003 Posts: 4,247 Newfoundland C codfish master
codfish master C Joined: Jan 2003 Posts: 4,247 Newfoundland	As per MSD instructions, you can run it with OR without. Mine's been running with the br for 6 years now and no problems. codfish

Re: msd ignition do you run a ballast [Re: codfish] #467547 09/16/09 10:07 PM 09/16/09 10:07 PM
Joined: Jun 2005 Posts: 6,257 gulfport, ms, west mi rowin4 master
rowin4 master Joined: Jun 2005 Posts: 6,257 gulfport, ms, west mi	MSD said it was not needed so with a interest in saving weight, I threw mine away. it's ok to butt heads, just don't do it with a butthead

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