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Unread 07-06-2005, 11:17 AM   #1
weebz90
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4.0 identity

I got a 4.0 block bout a month or so ago and i was wondering how i could out what year jeep it came out of like where i can find the serial number or somthin

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Unread 07-06-2005, 10:21 PM   #2
gumcrew2
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Directly underneath the exhaust manifold. On the center of that side of the block. If you are looking at it from the drivers fender it's exactly in the center. I don't know the series #'s but I'm sure you could find 'em here somewhere.
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Unread 07-07-2005, 07:14 AM   #3
digibus
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Quote:
Originally Posted by weebz90
I got a 4.0 block bout a month or so ago and i was wondering how i could out what year jeep it came out of like where i can find the serial number or somthin
Yeh the casting should be in the middle under the exhaust headers/manifold here are the different years and castings:

Year............Casting No
1987-90......53005535 (8933002665)
1991-95......53008405
1996-98......53020569
1999-04......53010449

What are you planning on doing to/with the blockż A stroker build perhaps, just curious hope these numbers and years helped.
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Unread 07-07-2005, 09:17 PM   #4
weebz90
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im thinkin bout a few things maybe stroker but i dont really know yet and i wanted to build a I6 to hear what it sounds like built up
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1990 xj 4.0 liter, 2" rusty's, 31x10.50s on amr outlaw 2's

1978 ford f-250 supercab 4WD, 400 big block named "THE GENERAL"

[url]WWW.MONEYPIT4WD.COM[/url]
check it out
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Unread 07-07-2005, 09:20 PM   #5
weebz90
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i know the block is newer than mine cause the oil filter is pointin down instead of up im hopin its out of a 93 or newer they say those r better runnin engines all together
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1990 xj 4.0 liter, 2" rusty's, 31x10.50s on amr outlaw 2's

1978 ford f-250 supercab 4WD, 400 big block named "THE GENERAL"

[url]WWW.MONEYPIT4WD.COM[/url]
check it out
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Unread 07-07-2005, 09:37 PM   #6
weebz90
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its 1999-2004 block. Does anyone know where i can get an engine cradle for it or u think a regular engine stand would work
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1990 xj 4.0 liter, 2" rusty's, 31x10.50s on amr outlaw 2's

1978 ford f-250 supercab 4WD, 400 big block named "THE GENERAL"

[url]WWW.MONEYPIT4WD.COM[/url]
check it out
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Unread 07-08-2005, 06:01 AM   #7
75SV1
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Regular engine stand will work. I'd get one with 4 wheels and not the 3 wheels. The 3 wheeled ones tip over pretty easy.
Tom
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Unread 07-29-2005, 08:25 PM   #8
Helicop
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So will all 4.0's from any jeep vehicle be compatible with each other as long as they share the same casting number?..

I just looked on a rebuilt engine place and my engine was made in '91.. but my xj is a '92... and those years have different pilot hole lengths? will that make the tranny incompatible with the new one?

I guess I just need to know what year engines from which jeep vehicles are compatible with my '91 engine, but called a '92....

P.S. the engine has never been replaced.. and it is a HO version.. its just that my jeep was put together in '91 and sold as a '92.

Thanx!
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Unread 08-01-2005, 07:01 AM   #9
75SV1
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I don't have the bearing info on the top of my head as far as interchangeability. Try :http://www.jeep4.0performance.4mg.com/
and look around. Dino would probably be able to help if its not on his website. I know he posted it on another Jeep board. 91-95 should be the same engine. Some differences in electronics/emmissions. You could also try NAPA and have them cross refference the bearing. If its the same part # for the years, then they'll match. Also, Advance Adapters makes some for adapting. I know there's one series of 4.0L swap that they have the only bearing for it. Its around $20. Not bad for a specialty part.
Tom
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