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Unread 04-22-2013, 01:40 PM   #1
timh141
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1994 YJ Wrangler 
 
Join Date: Sep 2012
Location: Cottage Grove, Oregon
Posts: 39
1994 YJ Blown 2.5L

Been having some fun with the Jeep this year. I park on the street and don't lock it, because it has a soft top anyway. Someone decided to take out my stereo, break the center console lock, even though it wasn't locked either. And then not steal the stereo, just left it on the seat. Its just an old cassette, but why take it out?!

Got the stereo put back, then I was driving to work Thursday, when my Jeep engine broke. Don't know the history of this motor, but the odometer had 233,000 when I bought it last summer. I had just tuned it up and it was running well, not even using much oil.

Now, to be fair, a couple of weeks ago we went to the dunes for the 2nd time, drove it hard in the sand, you need to rev the 4's a little bit more than the 6's to get up a dune....and then one of my boys mistook the Jeep for a boat, "forgot to check the depth finder" and drowned it in a pond. Fortunately we had two other Jeeps on that trip. We pulled it out and worked on it for about 4 hours to get it running. Major tune-up (plugs, wires, cap, rotor, air filter), sprayed WD 40 in the cylinders to displace water, changed the oil a couple of times, used a stabilizer in the oil (Sea Foam) before and after the oil change.

Here are some pictures of my 4 cylinder jeep motor/boat anchor/grenade. I will need at minimum, a new engine block to fix this.

The connecting rod and piston in the number one cylinder is broken and the broken rod flopping around on the crank managed to punch a very big hole in the side of the block. You can see up into the cylinder through the side. Thatís about as bad as it getsÖ!

So Iím looking for a complete engine or a short block. Iím not adverse to doing an engine swap. I hear the all-aluminum 5.3L Impala V-8 has the same GM 60 bolt pattern as my block. I would need to fabricate a mount for the starter and probably lots of other things, motor mounts, a place for the Impala computer, new flywheel, exhaust routing, higher capacity radiator, bigger fuel pump, wiring, etc, etc Öbut it might be fun!

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Unread 04-27-2013, 10:05 PM   #2
timh141
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1994 YJ Wrangler 
 
Join Date: Sep 2012
Location: Cottage Grove, Oregon
Posts: 39
Someone asked how the accessory belt looked on my engine, here is a couple of pictures about that...also, found an engine in a town about 70 miles south of me. 140,000 miles on it, guy said it ran well, but he switched to a 350 chev and didn't want this anymore. For $500 I got the engine, trans, tcase. I thought that was a pretty good deal. Enough parts left over to start another project!
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Unread 05-12-2013, 02:08 AM   #3
timh141
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1994 YJ Wrangler 
 
Join Date: Sep 2012
Location: Cottage Grove, Oregon
Posts: 39
Finished the engine install, here is a link to it running:
I couldn't believe it started on the first try. I took pictures of every vacuum and electrical connection beforehand. The only big mistake was cutting the power steering hose thinking I could splice. The parts store told me you couldn't splice high pressure hydraulics, so I bought another hose for $25. I was walking around and noticed a gas leak from the tank that I hadn't seen before. It only leaked with the engine on, so I'm dropping the tank. Some rusty bolts to deal with still, so I haven't discovered yet where the leak is coming from.
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Unread 05-13-2013, 10:25 AM   #4
Jeepsr4me
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Next time on the Power steering, just lay it to the side and do not take out of jeep
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Unread 05-13-2013, 12:44 PM   #5
Que89YJ
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1989 YJ Wrangler 
 
Join Date: Apr 2008
Location: Detroit, Michigan
Posts: 15,707
Look at doing the access mod for the tank while you have it dropped. It will save you so much greif in the future. Great job!
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Unread 01-17-2014, 12:38 PM   #6
timh141
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1994 YJ Wrangler 
 
Join Date: Sep 2012
Location: Cottage Grove, Oregon
Posts: 39
Thanks, to update this thread, my gas tank leak turned out to be a broken rubber gasket on top that formed the seal for the fuel pump. I ended up busting the straps and another bolt also because the threads were so rusty. It even had rubber caps on the threads for the gas tank straps, but they rusted anyway.

Also, I wanted to mention that one of the most difficult parts of this swap was getting the air out of the coolant system. I tried a lot of different "tricks" but the thing that worked best was to get the Jeep into a nose down angle, I did this by parking it basically with the front wheels in the gutter, and jackstands under the rear axle on the sidewalk in front of my house. Neighbors love me. I then removed the the temperature sensor that goes to the gauge. It is located on the drivers side of the engine, at the rear, on top of the head. Then I filled the radiator until fluid starting coming out of the temp sensor hole, replaced the sensor and radiator cap. Thinking back, the top of my radiator was probably about even with the back of the engine...
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Unread 01-17-2014, 01:05 PM   #7
Que89YJ
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1989 YJ Wrangler 
 
Join Date: Apr 2008
Location: Detroit, Michigan
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The best thing is to put a flush T in line with the heater hose. Bleed it in about 5 minutes, including putting in the T. They are $10 and you can back flush your heater core too.
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Unread 01-17-2014, 01:06 PM   #8
Que89YJ
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1989 YJ Wrangler 
 
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Location: Detroit, Michigan
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How long did the engine swap take you?
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Unread 01-17-2014, 01:33 PM   #9
Siva283
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1995 YJ Wrangler 
 
Join Date: May 2011
Location: Falling Waters, WV
Posts: 3,698
Quote:
Originally Posted by Que89YJ View Post
How long did the engine swap take you?
X2 I am always curious. Congrats on the swap by the way. Feels good after wards when the mighty 2.5 roars back to life doesnt it.
__________________
1995 YJ. 2 inch BDS Spring lift. 1 inch shackle lift. 1.25 inch JKS Body Lift 33x12.5x15's. Engo 10,000 pound winch.

[QUOTE=Magnum;14117863] I gave the Jeep the required offering of $$, sweat, and blood, and everything works fine now. -- Jim[/QUOTE]

[QUOTE=ldso;16498409]. It started with a $200 axle, and a few thousand dollars later I was done :)[/QUOTE]

[QUOTE=Luuca;16122017]diagnose the real issue before you start going all Obama on it - spending mad cash you'll need for other important things.

Ask me how I know...[/QUOTE]

[QUOTE=Overhead;17658665]this is also my second set of RC springs this year. I'd rather spend the money again and get something that will last.[/QUOTE]
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Unread 03-12-2014, 01:29 PM   #10
timh141
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1994 YJ Wrangler 
 
Join Date: Sep 2012
Location: Cottage Grove, Oregon
Posts: 39
Que89YJ, I spent probably a little more than 2 whole days on it.
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2.5l , 4cyl , 5.3l , engine , swap

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