Jeep Cherokee Diesel Swap | Doomsday Diesel OM617 to AX15 Adapter Kit

[@doomsdaydiesel]

The crank adapter is made from 1045 steel. To the layman, it is a high-strength steel that retains machineability. That allows 6 flywheel bolts to be used, versus 8/10/12. It also lends itself to maintaining tight tolerances. The production version of this kit goes to an aluminum adapter plate with a galvanneal starter spacer. The separate dust shield is eliminated, simplifying installation. Grade 50 steel was used for the Beta Test, as it was much more cost-effective and quicker to work with. The weight difference in the 2 kits is approximately 9 lbs vs 24 lbs. It has also been noted since the Beta Test took place that this adapter will work for the 32RH. An AW4 Beta Test is currently ongoing.

[@projectbumblejeep4190]

I am looking to possibly doing a 5.7 Hemi swap into my XJ also with an AX15. Do you offer a kit for this or know of anyone who does. My ultimate goal is a daily driver that offers me better than 10 MPG (local) that is reliable with a little more power than the 4.0L offers. Thanks and God bless, stay well.

[@doomsdaydiesel]

@@projectbumblejeep4190 I only play with diesel, sorry

[@projectbumblejeep4190]

@@doomsdaydiesel Kinda got that from the name, but it doesn't hurt to ask. Thanks for the quick reply.

[@doomsdaydiesel]

@@projectbumblejeep4190 no problem

[@madrew2003]

Suggestion to anybody using transmission adapter plates for any engine / trans swap. Checking for proper axial clearances and runout are imperative for things to not eat themselves. Do yourself a favor and be sure to precisely check with a precision indicator setup while mocking up the assembly before just throwing it together and firing it up with caution to the wind. This is a great series as it shows the hard truths of DIY outside the box. Most don't tell the unvarnished truth. Props to you. I've enjoyed watching.

[@williamcritcher4755]

Thank you so much for all the info. I think you’re helping a lot of people that want to do this swap. I sure want to do it on my ‘94 ZJ

[@200Johnnyboy]

It’s all some swap in my tj butt use the doomsday diesel kit.

[@200Johnnyboy]

kzbin.info/www/bejne/oqGlnn2sjqyFj80

[@joeszymanski9181]

Glad I got 2" nodular steel and machined my own flywheel, (no crank adapter plate or extra hardware needed). Thanks for learning me on your mistake.

[@jorges2000]

The doomsday kit looks awesome. I would love to do the same swap someday. Keep up the good work.

[@KeystoneCarry]

Thank you!

[@dondaughtrey7537]

I am sorry you had so many problems with mercedesdiesel, but thanks for doing this, saved me lots of money and time!

[@User-mb6kj]

Thank you for the update I'm very interested in the swap am planning on doing one love your videos on the subject

[@KeystoneCarry]

Thank you! I plan to do a bunch more soon!

[@Garrett053]

My xj has a toyota 3l on the jeep gearbox. Almost bolt on, compared to this. So far about 2000 miles with no issues. ..Just also a way to keep the old jeep wheeling. Good video, thanks.

[@2eyedjack433]

I have looked at dooms day diesel, watched there vids. There products are in the same price as other's. When I checked 3-4 years back. When I bought my om617. I have not done the swap yet. Still sitting....if you have looked at an original Mercedes adapter plate it an inch or thicker cast aluminum. How or why they think a 3/8 plate would work is beyond me, most kits use 1/2" aluminum or steel, some ppl think they need to save weight by using aluminum I have no problem using steel. The only think can think is theyr trying to reduce or the thickness of the bushing by using 3/8" adapter plate. I like the idea of the berring instead of bushing. But all early engines have bushing and millions vehicles had/ have them. So its not an absolute huge issue but in your case alignment prob contributed to it I would venture to guess. My hat off to you for sticking to fixing it 7 times!! I might have bailed out after the 2nd one. I'm sure it will be a great running vehicle after this.

[@kingkiller3678]

Don't give up

[@oldscout2514]

I drove an old 80 model 300 SD Turbo Diesel. Love it my wife hated it. I traded it away. That was a heavy 6500 lb. car. Got 25 mpg, I drove the shit out of that car. I have often thought I wanted to put a OM617 in an old Chevy truck, hot rod the engine a little.

[@200Johnnyboy]

I swap a OM617 in my 02 Jeep tj I didn’t use the oil filter housing relocation adapter and i had a problem with killing starter so i had to put spacers on the starter so been driving it 3 mouths with no problem.

[@benitohernandez8666]

Thanks for the update. You are the 2and person that ha recomend doomsday diesel.

[@KeystoneCarry]

Hop onto OM617 swaps facebook page. Many of us are now running doomsday with awesome success

[@ShaunPaget]

that's enough for anyone to loose their cool. Thanks for sharing. I have only just begun to look into engine swap in a jk wrangler.

[@DuRöhre4711]

Let a Machine Shop check out the concentricity of the adapter plate. Should be a piece of Cake for them.

[@thejunkmechanic1342]

I have 50k on a mb4x4 kit for an ax15 with no issues, I believe my pilot bearing mounts in the factory flywheel and my drilled holes in my flywheel had plenty of material left on the edge. Maybe you recieved the wrong flywheel adaptor.

[@lavachemist]

I wonder why they didn't design the adapter plate to be the correct thickness to compensate for the input shaft length. It seems like they cut every possible corner.

[@_astralxinfluenced_2799]

Damn man, the guys who "engineered" that kit should've kicked you some big $ since you basically brought all it's faults to light... unfortunately through trial & error. Got a sub from me, love your channel & *all the content!

[@1Buckluck]

Why did you go with the OM617 vs some of the others out there? And how much power and torque do you think its making now?

[@survivingminnesota8381]

You had me up until the 3/8" plate you can "Flex it by hand not as stout"

[@wyomingoverland614]

I've done an OM617 swap on my Cherokee. Could you post something up on how you intercooler is installed? That's the next thing I'm wanting to add. My adapter kit is a MD 4x4, but I have the AW4. That kit works well. I would like too see a Doomsday kit for the AW4. Thanks!

[@KeystoneCarry]

Check my new Instagram: @turbodieselxj. I have some photos in the feed of the intercooler.

[@mattdehnel9147]

2 questions: is the flywheel offset balanced to the motor from Doomsday out of the box? or do you have to match balance it? and also, what bell housing did you use?

[@stephencooney9870]

You seem to have gone through some sort of hell, Did you ever think of putting an Auto trans in place of you manual. Think I would of done this at the time of the engine swap. Hope your fixed now, looking forward to the next video on this .

[@KeystoneCarry]

I now have over 35,000 miles on the swap, more videos are absolutely coming. The doomsday kit was the answer for the AX15.

[@User-mb6kj]

How did you remade the oil pump issue

[@Fleetmaster13]

I see you're from Pennsylvania. Did you have to get a reconstructed title due to swapping in a diesel engine and how do you handle the emissions inspections? I am a Pa inspection mechanic and last year we received a bulletin making sure vehicles with these types of swaps were being ran through the enhanced inspection program and receive a reconstructed title. www.dot.state.pa.us/Public/DVSPubsForms/BMV/BMV%20Fact%20Sheets/Modified_Vehicle.pdf

[@zephgage3694]

badass love the videos

[@daviddelgadillo8671]

Do you think that engine fit in my Geo tracker 1997

[@kyleward6627]

What are you using for your fuel pump and tank? Interested in doing this to my 1 ton swapped zj

[@KeystoneCarry]

I have the stock fuel pump housing in tank. I removed the electric pump and capped the lines. The Om617 has a factory mechanical lift pump on the injector pump. No need for a secondary pump on a jeep. Then I drilled a hole and ran a "dip tube" to the bottom of the tank and secured it to the fuel pump housing. I took measurements to keep it approximately 1/4" off the bottom of the tank. A rubber grommet and some epoxy seals the housing and the dip tube together. I ran 3/8" line for fuel supply and used 5/16" for return. There was an evap outlet on the passenger side of the fuel tank on top. I gutted that little check valve and used that as the fuel return port. Super simple and has worked great. I DO NOT recommend using the nipple from the fuel pump housing as the supply port. Its stamped steel meant to push fuel from the tank, not suck it. I had air issues, hence why I opted to make my own dip tube.

[@kyleward6627]

@@KeystoneCarry thank you that is very helpful

[@keithbasinger6885]

Did you use mercedes 4×4 oil pan conversion, if so what do you think of it?

[@KeystoneCarry]

I wouldn't send any of my money to MD4x4 personally.

[@mandrews1192]

Quick question by any chance did u buy this jeep from an auction wrecked

[@KeystoneCarry]

Nope. I’ve owned it about 9 years now

[@mandrews1192]

@@KeystoneCarry alright just wondering. My old one looks identical to yours right down to the stickers. Mine was wrecked and my insurance company bought it from me and sold it at auction

[@David-cy2ug]

get a gimble my dude.

[@KeystoneCarry]

I have a Crane 2 and Ronin “my dude”

[@David-cy2ug]

Aww. Couldn't tell.

[@KeystoneCarry]

Wesley Dickinson I don’t always shoot on a gimbal especially in limited space, like a trans tunnel. First B roll is on the crane, last minute B roll in this video is freehand. Both have their place