New Engine for the Jeep YJ | Was this a bad idea?

#jeepyj #jeeplife #Jeep
I decided to replace the engine in my Jeep. With the help of my bothers, we tried to tackle this job over a weekend. Turns out, it didn't go as we planned...
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[@VLEEZY1]

Great Video, I’m a YJ guy too. Re geared my 4cyl but now I’m having dreams of a V8 Swap. Oh well wish me luck

[@SimplyMustGo]

Vernon Gray nice! How do you like the re-gearing? Is it for rock crawling? I’m having v8 dreams too. Also having hemi gladiator dreams.. 🤦‍♂️

[@ButchFagan]

Wow! All that should’ve been stressful but you seemed to have a good attitude. Enjoying the jeep content. Living my jeep desires thru you. 😂

[@SimplyMustGo]

Butch Fagan yeah. It wasn’t too bad. But I’m more stressed about the Jeep now. But that’s the the next video. 🤦‍♂️

[@amossnowdaharleyman9179]

I'm working on Jeep #15 as we speak. Engine swaps: I usually take the front clip off. Fenders,hood,grill,radiator.etc. Takes 2 hours on a bad day and with the sheetmetal out of the way it's soooooooo easy to do the engine swap.

[@SimplyMustGo]

Yeah I was surprised at how fast it went out big hold ups usually came in the form of needing parts and stores being closed.

[@franky6181]

Day 4/954 of your Jeep days. Next video Ford 8.8 and old man emu lift.

[@BeavBrodie1]

I hate that clutch!

[@JessicaJBrodie]

Wow, this is good! Beav, your shop is phenomenal. Matt and Travis, you rock! I wish I could've been there to help and watch!

[@vanislandcustom]

I hope you since learned how to change oil and breaks considering your age

[@SimplyMustGo]

I hope you’ve since learned to spell brakes correctly, considering your age.

[@vanislandcustom]

@@SimplyMustGoyou seem triggered. how old do you think I am?

[@aaronrodriguez9760]

Just out of curiosity, where did you get the new engine?

[@stephentaylor280]

2nd Amendment shirt. Right On !

[@SimplyMustGo]

All the way!

[@dougharlow6037]

I couldn’t bleed the clutch master cylinder by pressing on pedal and hand bleeding underneath. Tried many times. Note: I have a MITYVAC Silverline Elite Automotive Kit MV8500 bleeding kit. Still wouldn’t bleed. I installed a new clutch master cylinder for auto zone and couldn’t get it bleed the air out. I took it back thinking it was defective. Auto Zone didn’t have another one to give me, so they refunded me the money. I went to O’Relly Auto Parts and bought one. Again, I couldn’t get it to bleed. I looked online for a solution, and an old time Jeepster post said to fill reservoir and leave it overnight to gravity feed the air out. And behold that work??? I had to fill clutch master cylinder with clutch fluid and leave overnight to (gravity feed). Next day the clutch pressure was great??? It will self bleed. I just watched the fluid level.

[@SimplyMustGo]

Yeah, in my case the master cylinder was old and apparently blew when we were trying to bleed it. I can actually recall the exact moment when we let the fluid dip to low and it took a huge shot of air. After that we had nothing until we replaced the master cylinder - We found bits of o-ring when we replaced it.

[@amossnowdaharleyman9179]

@@SimplyMustGo MOrning Matt: is the slave cylinder inside of the bellhousing or external on the side of the bellhousing?Either way the bleed will be external. If external you have the AX15 transmission(desirable) If internal you have the BA10/5 transmission (not so desirable).If you have the BA10/5 it's still OK. Just don't go crazy when driving off road trying to go through places you should be winching through. Ba10/5's are a little weak for that type of off roading. The 2.5"s are OK engines. 4.2 inline 6 is much better. DO NOT do a lift on the the Jeep and put on 33's or larger tires. Looks goofy,raises the center of gravity and roll over risk,and puts terrible strain on the drive train to the point of trashing it.Dealing with the carnage from 33's on Jeep #15 as we speak.

[@amossnowdaharleyman9179]

Hi Doug, Good that you posted the gravity procedure.Done that a few times on previous Jeep's I had. It does work but most people are in a rush.Usually people will spend a few hours trying to get it bled,get frustrated, and come back the next day and see low level in the master cylinder and their first thought is crap I got a leak.....

[@dougharlow6037]

@@amossnowdaharleyman9179 When you say "If external you have the AX15 transmission" and your referring to the clutch slave cyl., I believe your mistaken. On all the AX15 transmissions I've seen their all on the inside of the bell housing, part of the throw-out bearing. And yes, all are bleed on the outside.

[@chrisdriy3888]

@@amossnowdaharleyman9179 the AX-15 is internal slave through 1992 on the 4.0, external slave starting in 1993. Only real difference is the bell housing and style of slave cylinder, same AX-15 trans on the 4.0 in both cases.

[@williamfaulkner1959]

I have a '94 YJ and have been thinking of doing an engine swap to a straight six. The four cylinder is ok for off-roading but out on the highway it can't get out of it's own way. Would this be a monumental undertaking? Thanks for sharing.

[@SimplyMustGo]

That’s hard for me to say. I have the 2.5L and put a new 2.5L in. So it was super easy. That said I’ve heard going from the 2.5 to the 4L isn’t that bad. But I’ve also seen people manage a V8. So I’m guessing if there is a will there is a way!

[@williamfaulkner1959]

@@SimplyMustGo Thanks Matt, I've heard putting in a V8, that's what I would like to do, there's additional issues, like the harness, the transmission etc. I guess that would be the same thing as dropping a six in. All I know I want some more horses under the hood. Stay safe.

[@wesbarcus3761]

The tyranny will need to be changed, 4 cylinder trans won't take the power. The ax15 out of straight 6 is a good one. If you still have slip yokes, now would be good time to change them as well.

[@your2nd]

I know you didn't know but that year has the internal clutch and if you were going to all the trouble to swap the engine you should have sourced the parts to change it to an external slave on the clutch, you would be a lot happier ! But nice you have a great jeep !

[@SimplyMustGo]

Yeah. If I had known at the time I would have. Oh well.

[@your2nd]

@@SimplyMustGo We can't know everything my friend but I think you said your brother fixed what you had. It will be okay just a pain to fix if you have trouble with it again. You have a nice sorted jeep now to enjoy. A word to the wise if you decide to go any larger on the tires you will need to re-gear . Go easy on that Dana 35 rear end and at the first sign of trouble it is easy to put a Ford 8.8 rear end from a 90's Explorer, you can find them with 4.10 gears, posi and disc brakes.

[@MrRmga420]

I’m surprised she can even drive a manual transmission. Sell that YJ and buy a Camry

[@SimplyMustGo]

I have so much to say to this, but I’ll just say, What? This comment makes no sense in the context of this video. But thanks for playing.

[@Kokocano65]

Question I need to find a engine for my Yj can you tell me where you get yours please

[@SimplyMustGo]

If I remember correctly it was Jasper Engines. www.jasperengines.com/

[@giovannygerardo6215]

What engine did you get and how much was it if you don’t mind saying. I have a 92 as well and I’ve been fixing it up since I got it and was thinking of buying a new engine for it

[@SimplyMustGo]

I got another remanufactured 2.5L it was about $1,900 (with a $400 return for the original core) so about $1,500 total.

[@yasikperedo7486]

@@SimplyMustGo where do I buy that engine ?

[@crosisofborg5524]

What about the Buick 3800 supercharged engine? Can that be fit in?

[@SimplyMustGo]

I wish I knew. I know people have fit all kinds of stuff under that hood.

[@cierraperez3021]

I love all these jeep videos! I have what i think is a 1992 Jeep Wrangler & i would love to save it. I don’t know how much work it needs but it is pretty beaten up. If you ever see this, i would love your opinion!!

[@SimplyMustGo]

I’m going to default to saying save it! Or restore it the best you can, that said. I guess it really depends on how much you’re willing to put in, either in time or money. But YJ parts are pretty easy to find and usually not expensive. I love having my and I’m super happy I took the time to get it fixed up right.

[@wheatfieldproductions1564]

I live in Toronto Canada, and for some reason the YJ 1987-1995 are an extinct species. I found a couple but they are in pretty bad conditions. Awesome videos brother. thanks for sharing.

[@SimplyMustGo]

Thank you! Yeah. They are getting harder to find in decent condition here too. Everyone got them and turned them into beaters on the trails.

[@porterdor39]

I have a1991 with the original engine 190000 miles thinking about rebuild the engine at Amaco just because the engine is the original any ideas?

[@superb60ce]

Jeep 2.5 and 4.0 engines DO NOT HAVE a PCV system. They have a CCV system. The problem was more likely a plugged CCV orifice in the valve cover.

[@SimplyMustGo]

May very well have been.

[@nicolass9165]

Can you please send me a pic of the engine bay. I need if for reference for my 95 Yj

[@SimplyMustGo]

Sure. You want to let me know your email?

[@TheRaulr151]

Wow! that's one clean YJ and shop!

[@SimplyMustGo]

Thanks. Though, I can’t take credit for the shop. Haha.

[@wesbarcus3761]

To those of you wanting to change from 4 cylinder to 4.0 cylinder, you will have to relocate engine mounts, no big deal if you can weld. Figure on changing bell housing, flywheel, clutch assembly, starter. Look for ax15 granny if you want manual. You will need new ECM and wire harness for a six. There are good engine remanufacturers, Google for remand. Motors or someone from maybe Quadratec. If you can do the work yourself, buy the parts and do it, save labor money. If you can't, get the best remanufactured you can afford. Golan has 4.0s with good guarantees, the closer to home, the less you will pay for shipping. One thing you need to remember, DON'T BUY CHEAP, the last thing you want to do is replace it again a year from now. Via are nice, but if you live in Calif. you have to pass all the regulations to be street legal. Same with putting a 6 in in place of 4 cylinder. ( CAL SUX, I KNOW, I LIVE IN CAL ) . If you can swing it, time to do new exhaust. This should be enough to get you started. Just remember what JEEP stands for. JUST EMPTY EVERY POCKET! oh yeah, if you put in an auto, you may need to get an automatic bell housing to match tyranny. In western states a lot of us use Advanced adapters for adapter plates and such .

[@MrRmga420]

What’s the difference between a 4 cylinder and a 4.0 cylinder ??

[@wesbarcus3761]

@@MrRmga420 motor mounts are closer to the radiator, electronics usually won't match up, transmissions are different, and about 100 h. p. improvement. Just to name a few. If you can find a 4.0 and have the time and skills, turn the 4.0 into a 4.7 stroked motor for even more hp. and torque.

[@edlozano8694]

Thank you for all your information. What brand or company do you recommend for a rebuilt or new 4.0 ? Thanks

[@wesbarcus3761]

@@edlozano8694 that will depend on what you want. 4.0 or 4.7 stroker. Where do you live. Do you want basic upgrade or a big boost in performance. Talk to some people in your area to get advice for your local area needs. Will you be running slow scenic trails or high speed desert racing. How much upgrading do you plan for your suspension. Will you be pulling a trailer for camping. Each jeep can be a mild upgrade or a trailer queen or anything in between. Let me know what you have and what you plan to do and I'll get back to you with some advice on where to start.

[@YJ-xg3xr]

Beautiful Jeep and great videos, Matt 👍

[@SimplyMustGo]

Thank you! Love your Jeep too! #savethesquares!

[@saragwaltney5725]

Nice job, guys!!!

[@cycl0nnus]

this guys high pitch kid voice does not match his old head

[@dewayne2189]

Y'all did good job at a fast pace I have the same exact jeep

[@SimplyMustGo]

Nice! Have you had any trouble with your engine?

[@dewayne2189]

@@SimplyMustGo no she still runs good got 160 thousand Miles on it , it gets little oil in the breather but not enough to take it out yet

[@SimplyMustGo]

@@dewayne2189 that’s good! Hope she stays healthy.

[@SimplyMustGo]

@@dewayne2189 you may also want to check the CCV isn’t clogged. I’ve learned it can cause that same thing.

[@dewayne2189]

Thanks I will definitely check that out on it

[@karimt667]

1000 subs!!!!!! LETS GO!

[@seandenny2412]

How much was the engine man?

[@SimplyMustGo]

It was about 1500 after returning the core. And then probably another $700 for additional parts and sensors that we replaced

[@dannydenham8141]

@@SimplyMustGo where did you find an engine around $1500..... long block or short , 4cyl or 6 cyl

[@SimplyMustGo]

@@dannydenham8141 my brother had some connections and was able to get the short block for me.

[@dougasbailey6864]

Like how much for new engine... 2.5 litter. 4 cylinder?

[@SimplyMustGo]

About $2000 for the engine and we got about $400 back for the old core.

[@spookymurder3043]

@@SimplyMustGo where did you get the replacement at?

[@chicagoalmighty45th95]

Could have just been a clogged pcv valve... causes the exact same thing

[@SimplyMustGo]

Yeah. It’s possible, it had been to two shops that both said the same thing but it also had enough other little leaks that replacing it just made the best option for future reliability for me.

[@chicagoalmighty45th95]

@@SimplyMustGo yup.. can't go wrong with a new engine

[@SimplyMustGo]

@@chicagoalmighty45th95 yeah we felt like it would fix everything and we wouldn’t alway be chasing things.

[@chicagoalmighty45th95]

@@SimplyMustGo im currently on a hunt for one.. I worked at a smog shop and drove one for the first time... and just simply fell in love with the top off... im usually a tacoma guy... bit I need a wrangler im my life now lol

[@SimplyMustGo]

@@chicagoalmighty45th95 I agree! first time I drove it, it was all over. It's my favorite vehicle by a lot!

[@diktat6558]

You seem like a fairly intelligent dude. I refuse to believe you had no idea what he was saying 😂

[@SimplyMustGo]

Haha nope. I’m basically an idiot. 🤣

[@diktat6558]

@@SimplyMustGo hashtagmetoo (and I'm an engineer) Had to edit... did not realize the pound sign actually tagged your video. My bad 🤙