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0.5 or 3 ohm coil for Mopar Electronic Ign conversion #728871 06/20/10 09:53 AM 06/20/10 09:53 AM
Joined: Jan 2003 Posts: 1,046 Colorado Springs T/A CARe OP super stock
T/A CARe OP super stock Joined: Jan 2003 Posts: 1,046 Colorado Springs	I have the Mopar electronic ignition conversion with orange ECU but don't know if it calls for a 1/2 ohm or 3 ohm coil. Anybody know for sure? Thanks!

Re: 0.5 or 3 ohm coil for Mopar Electronic Ign conversion [Re: T/A CARe] #728872 06/20/10 12:07 PM 06/20/10 12:07 PM
Joined: Jul 2003 Posts: 1,107 Spring Valley ,Ca. moparsquid super stock
moparsquid super stock Joined: Jul 2003 Posts: 1,107 Spring Valley ,Ca.	do you mean the ballast resistor or the coil?.

Re: 0.5 or 3 ohm coil for Mopar Electronic Ign conversion [Re: T/A CARe] #728873 06/20/10 02:00 PM 06/20/10 02:00 PM
Joined: Feb 2003 Posts: 10,218 Someplace you aren't S SomeCarGuy I Live Here
SomeCarGuy I Live Here S Joined: Feb 2003 Posts: 10,218 Someplace you aren't	Be certain to carry a spare ECU if you are running an orange box. Really need a spare for any ECU for that matter. I want my fair share

Re: 0.5 or 3 ohm coil for Mopar Electronic Ign conversion [Re: moparsquid] #728874 06/20/10 03:21 PM 06/20/10 03:21 PM
Joined: Jan 2003 Posts: 1,046 Colorado Springs T/A CARe OP super stock
T/A CARe OP super stock Joined: Jan 2003 Posts: 1,046 Colorado Springs	Quote: do you mean the ballast resistor or the coil?. The coil, or ultimately what the system calls for. The coil's resistance may be determined by the ballast resistor...

Re: 0.5 or 3 ohm coil for Mopar Electronic Ign conversi [Re: T/A CARe] #728875 06/20/10 06:46 PM 06/20/10 06:46 PM
Joined: Feb 2010 Posts: 1,377 Ohio Todd pro stock
Todd pro stock Joined: Feb 2010 Posts: 1,377 Ohio	Why can't you run a coil that doesn't need a resistor.

Re: 0.5 or 3 ohm coil for Mopar Electronic Ign conversi [Re: Todd] #728876 06/21/10 12:42 AM 06/21/10 12:42 AM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	Quote: Why can't you run a coil that doesn't need a resistor. Not a direct answer but a particular ECU can only switch so much primary current which as you know is a combo of the coil pri + the ballast resistances. A 1.25 ohm ballast is supplied w the MP orange and chronme boxes and a .25 ohm ballast w the gold race box. Not sure what ohm coils are recommended live every 24 hour block of time like it's your last day on earth

Re: 0.5 or 3 ohm coil for Mopar Electronic Ign conversi [Re: RapidRobert] #728877 06/21/10 01:51 AM 06/21/10 01:51 AM
Joined: Feb 2010 Posts: 18,493 Granite Bay CA Kern Dog Striving for excellence
Kern Dog Striving for excellence Joined: Feb 2010 Posts: 18,493 Granite Bay CA	Is the orange box really that much of a turd? I have read repeatedly that its reliability isn't good. I had a new one that failed early, but then again, I have had a few others that did too. Some factory originals I have had STILL work.

Re: 0.5 or 3 ohm coil for Mopar Electronic Ign conversi [Re: Kern Dog] #728878 06/21/10 06:24 AM 06/21/10 06:24 AM
Joined: Feb 2005 Posts: 2,709 NJ central S Scamp408 master
Scamp408 master S Joined: Feb 2005 Posts: 2,709 NJ central	I believe the orange box and 1.25 ohm res is set up for stk ohms coils.Whatever that is I dont know.MSD whats you to use the mopar 1.25 and the msd .08 with the blaster.

Re: 0.5 or 3 ohm coil for Mopar Electronic Ign conversi [Re: Scamp408] #728879 06/21/10 07:46 AM 06/21/10 07:46 AM
Joined: Sep 2003 Posts: 650 Kansas R racincuda mopar
racincuda mopar R Joined: Sep 2003 Posts: 650 Kansas	I have found that the Standard Motors LX101 to be a very reliable ecu and minimum of 1 ohm resistor was recomended for street use. i have found these easy to find , just check resistance with your meter, again I use the Standard Motors piece.

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