Re: 95 grand cherokee 5.2 engine swap to 5.9 whats needed
[Re: d-150]
#1763879
02/27/15 08:24 AM
02/27/15 08:24 AM
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Joined: Oct 2003
Posts: 21,345 Marysville, O-H-I-O
70Cuda383
Too Many Posts
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Joined: Oct 2003
Posts: 21,345
Marysville, O-H-I-O
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this is Magnum. not LA.
Mounts are the same.
everything from the 5.2 to the 5.9 is the same on the Magnum motors, except for the front harmonic dampner, and the flexplate, due to engine balance.
Computer WILL learn the 5.9 at part throttle cruise as the computer adjusts AFR by reading the O2 sensors. The cam on the 5.2 is bigger than the 5.9, so the motors aren't that much different from each other, so as said, stock computer will be fine on a stock 5.9, but if you start tossing intake, headers, etc. at it, then you may want to look at using SCT to get a custom tune.
--Heck, SCT will give you a considerable bump in HP over the stock tunes.
**Photobucket sucks**
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Re: 95 grand cherokee 5.2 engine swap to 5.9 whats needed
[Re: 72cuder]
#1763880
02/27/15 11:50 AM
02/27/15 11:50 AM
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Joined: Apr 2005
Posts: 178 Tidewater, VA
TMCCuda
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member
Joined: Apr 2005
Posts: 178
Tidewater, VA
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Also, 92-95 Magnum motors are OBD I with EGR on the intake, while 96-02 are OBD II, no EGR. The computers, wiring and sensors are different. There are not many tuning options for the OBD I.
I swapped a 2000 5.9L into my 94 5.2L Ram. Used all the 5.2L wiring and even used the 5.2L computer, until I got a working computer from Ebay (first one was fried). I didn't notice a difference with the 5.9L comp.
1970 Plymouth Barracuda
1994 Ram 1500 4x4 5.2L
2004 Ram 1500 4x4 5.7L Quad Cab
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Re: 95 grand cherokee 5.2 engine swap to 5.9 whats needed
[Re: 72cuder]
#1763882
03/01/15 11:53 AM
03/01/15 11:53 AM
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Joined: Oct 2003
Posts: 21,345 Marysville, O-H-I-O
70Cuda383
Too Many Posts
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Too Many Posts
Joined: Oct 2003
Posts: 21,345
Marysville, O-H-I-O
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Missed the 95 model year. OBD I, can't tune it with SCT.
LA motors were no longer made after 1993. 5.2L Magnum came out in 92, and the 5.9L Magnum was 93.
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Re: 95 grand cherokee 5.2 engine swap to 5.9 whats needed
[Re: 72cuder]
#1763883
03/03/15 07:25 PM
03/03/15 07:25 PM
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Joined: Feb 2003
Posts: 8,686
Andrewh
master
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master
Joined: Feb 2003
Posts: 8,686
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Quote:
thanks for the info,the engine is from the 98 5.9 Cherokee not sure if its la or magnum. so the converter is same as long as I use 5.9 flex plate?
98 was the year it changed over from balanced converter to flex plate. connections are different before to after for electronics, so be sure you match up if they are different years. so assuming yours is a 98 and up 5.2 to the 98 5.9, yes, you just need the balanced flex plate and you are good to go.
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