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post #16 of 21 Old 04-18-2010, 06:20 AM
dodger889
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1989 YJ Wrangler 
 
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The only reason points are causing you problems is the simply fact. You need to adjust the dwell properly. It's not adjusting the gap but the fine tuning. You can help them with a msd box to get a better spark. The only reason most went with electronic ignitions where to get away from point bounce on high revving engines. Besides that you can usually fix a set of points with just a piece of emery cloth or file to get you off the trail or back home. They are a little more maintenance. But if you replace them once or twice a year they will run forever.


A 89 yj with a 4.0 aw4 sye out of an 92xj. Now the hard part is done time to get it up in the air just a bit. Working on 8.8 with 3.73 and lsd for the rear. and new D30 hp with 3.73 .
For those who have not figured this out I'm old school but can handle the new too.
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post #17 of 21 Old 04-18-2010, 12:30 PM
Alabamaranger
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Originally Posted by Dado8788 View Post
Why? Well, I'm looking for a "drop in" solution. The GM HEI setup looks to be the simplest way to upgrade the ignition.

One more question; how much of an improvement can I expect to see over the old points and condenser setup that's on it now? Will I notice it while driving?
You have points in there now? If so, must be a CJ engine or setup.

90 YJ, 4.2 with 2150 carb 4.0 Head and headers, Nutter with TFI and MSD. 1" BL, 2.5" spring lift, 33", Goodrich KM Mud Tires. Dana 30 w Aussie, Ford 8.8 w LS. 9000lb HF Winch.
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post #18 of 21 Old 04-18-2010, 02:11 PM Thread Starter
Dado99TJ
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Quote:
Originally Posted by dodger889 View Post
The only reason points are causing you problems is the simply fact. You need to adjust the dwell properly. It's not adjusting the gap but the fine tuning. You can help them with a msd box to get a better spark. The only reason most went with electronic ignitions where to get away from point bounce on high revving engines. Besides that you can usually fix a set of points with just a piece of emery cloth or file to get you off the trail or back home. They are a little more maintenance. But if you replace them once or twice a year they will run forever.
The points aren't giving me a problem; they actually work quite well. That's why I wondered if I'd even see a difference by going to a different setup. I thought if I could do it inexpensively I'd give it a shot.

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Originally Posted by Alabamaranger View Post
You have points in there now? If so, must be a CJ engine or setup.
No, AFAIK, its the original engine. The PO had trouble with the ICM and replaced the whole setup with a dizzy for an old CJ engine. Really, the only problem I have with it is that the tach isn't hooked up.

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post #19 of 21 Old 04-18-2010, 03:45 PM
dodger889
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Oh the tach is an easy fix. That is attached to the coil anyway and is connected to the same side has the dizzy wire giong to the tach You should find a dark green wire in the wiring harness coming from the firewall connector. If not you can run one from the coil to the back of the tach.

A 89 yj with a 4.0 aw4 sye out of an 92xj. Now the hard part is done time to get it up in the air just a bit. Working on 8.8 with 3.73 and lsd for the rear. and new D30 hp with 3.73 .
For those who have not figured this out I'm old school but can handle the new too.
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im just cheap, and cheap makes you creative.
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post #20 of 21 Old 04-18-2010, 04:57 PM
Alabamaranger
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If the PO gutted all of the wiring and DS box. I would go with the HEI system. Much better that the points.

If the wiring is still there, do the nutter and use the stock DS box with the TFI conversion..

90 YJ, 4.2 with 2150 carb 4.0 Head and headers, Nutter with TFI and MSD. 1" BL, 2.5" spring lift, 33", Goodrich KM Mud Tires. Dana 30 w Aussie, Ford 8.8 w LS. 9000lb HF Winch.
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post #21 of 21 Old 04-18-2010, 08:52 PM
Dislsmoke
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I didn't see anyone mention DUI ignition systems. They make a quality unit. I'm running one in my AMC360 works really good and a good quality. They are a little more but it is worth it.

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