TSP Red L6 HEI Distributor for AMC Jeep 232-258 Red

Simple replacement for the points style OE distributor on my 75’ wagoneer. Allowed me to delete all of the goofy and failure-prone ignition components that are mounted on the fender well. I️ did opt to re-curve the distributor using a morso brand re-curve kit; as I️ felt like I️ wanted my mechanical advance to start coming in earlier. The vacc advance canister on this IS ADJUSTABLE. So if you don’t know if you should or should not be running ported vaccum vs. manifold vaccum, please look into the issue or you will potentially be missing out on performance and economyand engine life will likely suffer. HEI style distributors are a GM technology and they are super simple, reliable and offer a decent performance upgrade; but you should learn how to tune it for your set-up or you are kinda defeating the purpose or replacing your old system. That being said, this dizzy ran great out of the box. I️ removed the gear from the stock distributor and put it on this one. I️ was also able to click the head so that the vaccum advance did not interfere with the PS pump and it’s belt. It is a somewhat tight fit, but it does fit with no problems.

I replaced a stock ignition on a 1990 Jeep Wrangler YJ with this. The original distributor was designed to have advance controlled by the ignition computer (which would also control part of the carburetor). I purchased my vehicle, and determined that the previous owner had replaced the carburetor with one that is not computer controlled, yet I was not able to gain full advance. Then my ignition module failed as well. This distributor replaced the stock one, and it ALSO replaced the ignition module (it has one built in) and replaced my stock coil, while bypassing the less than functional ignition computer in the Jeep entirely. Starting was improved, power was increased, and instead of bogging around 3,000 rpm the vehicle now pulls to 4,000 quite easily. I also replaced the stock carb with a Weber 32/36 - the combination of the two allowed the vehicle to pass emissions (in Arizona they sample the tailpipe while driving it on rollers). It had been failing badly before this.

Update 2018-10-14: Fourth distributor second distributor from this seller is working. Talked to couple of other people Saturday that have had the same experiences. They say if you get a good one it might last 12 months tops. I have two out of four that work now, so I have a backup, a necessity with these distributors. They stated that DUI is the way to go. With so many choices who knows. I'm waiting on the Holley HyperSpark.This is the third amc 258 distributor I have purchased recently from different sellers, only 1 out of 3 worked. All have been identical, other than color of cap, internal electrical components are stamped the same, everything is identical. All sellers that sell a distributor for an amc 258 are selling the same distributor despite the claims they make. Not just on Amazon, also the big name car parts sellers as well, who claim it is their own custom built distributor.The one from this seller did not work right away. Then it worked for 5-10 minutes. Shortly after the engine heated up fully, the distributor would stop working. Allow it to cool for 5-10 mins it would run again until it got warm again, then shut down again.Reading reviews on other websites as well as Amazon, combined with my own experience, and friends experiences. We have completely dissembled and resembled with new electrical components, to only have them fail in short order or still not work. Some reviewers have found theirs to short out when going over bumps, eventually causing a failure. Something I have also experienced with the first distributor I purchased.It is a hit or miss if you get a good one or bad one. Since it appears all the various named amc 258 distributors seem to come from the same manufacture, or at the very minimum, assembled with identical electrical components. There is clearly some sort of manufacturing defect, and or no quality control.Currently this seller has the lowest price. Paying twice as much from a big named seller will get you the exact same distributor. Unless you go with the much higher priced MSD or Holley soon to be released HyperSpark.It might be a good one it might not be a good one. Might last awhile, might not. I am tired of getting towed due to these distributors failing. Then replacing the burnt electrical component to only have it short out again and ruin another module. I have connected directly to the battery to eliminate any issues with switches, relay's and or wiring. Same exact problems.I actually purchased this one so I could carry a back up. I installed it to run it and keep the other one that currently works as a back up. Not surprised it was bad straight out of the box, though still frustrating due to the waste of time and effort.It is not a problem with the sellers. It is clearly a manufacturing defect. Which is why I wanted a backup. But kinda hard to find one that works out of the box.I am to the point I am going to drop the coin for the MSD or wait for the Holley HyperSpark. I really would like a cheap backup though, as I am paranoid now, since I have been towed more times in the last few months than in 40 years of driving, due to the distributor failing.Most important when purchasing one of these distributor's for an amc 258 besides the distributor gear must not be hardened. Is the sellers return policy.

I’ve had it for about a month+ now.First, install was simple as pie. Take dizzy cap off old unit, rotate engine until rotor points to #1, and remove. Installation is simple, pop in and line up rotor to where you want #1 to be, boom.Great response, feels more powerful. Not sure about economy but ‘seem’ like gas lasts longer.This might crap out on me in a year but so far very pleased

I just got it in the mail, for my Jeep 258 straight six, it being packaged in styrofoam is a nice touch, but the cover above the plug wire points is cracked from corner to corner. Installing it this weekend, and will post a update/// UPDATE installed it yesterday and the tach today, works as described, Jeep idles a lot better, not seeing any power gains as other people describe... instructions aren’t exactly the most descriptive but fortunately I have replaced distributors before, install time for me was around 2 hours

Ok, just a heads up. If you install this unit and it breaks up off idle, try it with the vacuum advance unhooked and plugged. Mine was shipped with the adjustable vacuum advance buried adding tons of timing. I had to back it out through the vacuum nipple with a 2.5 mm Allen 7 full turns. It's fully adjustable.