92 YJ 2.5l engine rebuild - JeepForum.com

 
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post #1 of 6 Old 05-18-2011, 02:05 PM Thread Starter
jeepjunky92yj
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1992 YJ Wrangler 
 
Join Date: Apr 2009
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92 YJ 2.5l engine rebuild

Ok heres the back story....2.5l loose oil pressure.Mine was due to warn out cam bearings. I picked up a 2.5l engine from i think a 93 jeep wrangler for $50.00. Engine had locked up on PO so i desided to do a rebuild on it for my Jeep.I had the block bored out 40 over and had the crank turned(just to be safe) I ported and polished the intake and exaust ports. put in and lapped in new exaust valves and intake valves. woke up sunday morning early and started un rapping new rebuild kit and all the parts from the machine shop.Got started on assembly around 11 am.It was a job from hell let me tell you.Getting bare block turned into a short block was easy but then the trouble started, got the lifters in and the head on and a socket desided to jump to its death down into the pushrod holes so i flipped the engine over on the stand so it could fall out and all the lifters fell out so i spent the neft hour geting them back installed. got the tork spects of line and it said 80lbs tork on the oil pan bolts and well thats not right, i broke 2 off in the oil pan so had to drill and easy out the bolts.heres some picks up to that point

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"the rollercoaster that we call life has way to many ups and downs for me.....I just puked on the person beside me"
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post #2 of 6 Old 05-18-2011, 02:27 PM Thread Starter
jeepjunky92yj
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OK got the engine put mostly together and ready to install, Old motor is out! dropped new engine in were it goes and it dropped right in (only easy thing so far).time to hook up the engine accs......PROBLEM the intacke thar was on the motor when i got it is different then the one on my 92 engine, just the spot that the power steering mounts to so i had to pull intake back off and put the one from my old engine on there.Long story short i got it installed and was ready to put in the distributed.Took forever to get it right(there is no adjusting the distributer so it has to be just so.got all done filled fluids and double checked every thing was tight....now time to fire it up.Starts almost immediatly.Checked for leeks and there were none so was time to test drive...no real power so i re did distributer again and that was better.So i desided to check oil leval and.........milky....Whater in the oil turns out the head has a crack so now i have to port/polish install new valves on old engines head and re install this weekend.heres picks to were i am now...
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"the rollercoaster that we call life has way to many ups and downs for me.....I just puked on the person beside me"
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post #3 of 6 Old 05-18-2011, 03:05 PM
Andywear
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what are we looking at here?
just a little blurry

Used to have a good sig but Mod threated to ban me...


Errrrrrr, Will complain else where - &y
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post #4 of 6 Old 05-18-2011, 03:09 PM Thread Starter
jeepjunky92yj
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sorry about picks taken with cell phone the first pics are of the head porting and the block getting the crank installed secound set of pics are of the motor almost ready to drop in

"the rollercoaster that we call life has way to many ups and downs for me.....I just puked on the person beside me"
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post #5 of 6 Old 05-18-2011, 03:16 PM
Andywear
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Quote:
Originally Posted by jeepjunky92yj View Post
sorry about picks taken with cell phone the first pics are of the head porting and the block getting the crank installed secound set of pics are of the motor almost ready to drop in
No reason to say sorry.
The motor just looks bigger than a 4 banger to me. But i've not seen one out of the engin bay. or B/C the pic are nice size!

Used to have a good sig but Mod threated to ban me...


Errrrrrr, Will complain else where - &y
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post #6 of 6 Old 05-18-2011, 03:21 PM Thread Starter
jeepjunky92yj
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Join Date: Apr 2009
Location: maryland
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thanks but motor is really small out of bay i was real supprised theres enough room under the hood for two of these engines LOL that might not be a bad idea.

"the rollercoaster that we call life has way to many ups and downs for me.....I just puked on the person beside me"
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