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88' MJ 2.5L 4spd 2wd to 4wd qeustions !?!?!?
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11-18-2009, 04:29 PM
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#1 | |
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Registered User
1988 MJ Comanche
Join Date: Oct 2009
Location: Prairie du sac, Wisconsin
Posts: 753
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88' MJ 2.5L 4spd 2wd to 4wd qeustions !?!?!?
I been kicking around the idea of swapping my MJ from a 2wd to a 4wd . . .
Truck is currently powered by the 2.5L I-4/4spd combo, but will be upgraded to V-8/5spd combo. . . I read it's best to have a second Rig thats got the axles n T-case ect. The local salvage yard has 2 dozen 4x4 Cherokee's but no MJ trucks. Can this swap be done with Cherokee parts ? Is it worth while ? Mike
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11-18-2009, 08:53 PM
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#2 |
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Registered User
1989 MJ Comanche
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cherokee is the same thing. you will need a 4x4 MJ rear driveshaft though, but by the sounds of it, that wont work either.
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11-18-2009, 09:04 PM
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#3 |
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Registered User
1988 MJ Comanche
Join Date: Oct 2009
Location: Prairie du sac, Wisconsin
Posts: 753
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Why won't the rear driveshaft work ?
As in it'll work with the I-4 ? But Not the V-8 ? Mike |
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11-18-2009, 09:05 PM
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#4 |
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Registered User
1989 MJ Comanche
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correct. it may work with a V-8/5spd combo, but i wont guarantee that.
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11-18-2009, 09:10 PM
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#5 |
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Registered User
1988 MJ Comanche
Join Date: Oct 2009
Location: Prairie du sac, Wisconsin
Posts: 753
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Well I figured there would be a swap over then later a rearrangement once it was V8/5spd time.
Mike |
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11-20-2009, 09:09 AM
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#6 |
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Registered User
1988 MJ Comanche
Join Date: Oct 2009
Location: Prairie du sac, Wisconsin
Posts: 753
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2 part swap 2wd to 4wd then later I-4 to V-8 . . .
Ok now what Axles should i be looking for ?
there any way to tell them apart ? as you all know the I-4 only makes 117hp n 135tq, But the AMC 290 V-8 produces 225hp n 300tq, and when with running a 5spd manual trans along with it. i'll need some decent Axles. . . set 1. Make the MJ a 4WD. recoup from that spending then onto step 2. step2. Repower truck with AMC 290 V-8 Engine. I under stand the I-4/4spd to V-8/5spd may require custom drive shafts and possibly a different transfer case but i was hopping to only have to do 1 axle swap  Mike |
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11-20-2009, 05:25 PM
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#7 |
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Registered User
1989 MJ Comanche
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front axle is fine, get a D44, AMC 20, or Ford 8.8 for the rear.
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11-20-2009, 08:16 PM
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#8 |
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Registered User
1988 MJ Comanche
Join Date: Oct 2009
Location: Prairie du sac, Wisconsin
Posts: 753
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What axle do they use for the fronts ?
Sorry new to jeeps... Mike |
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11-20-2009, 09:06 PM
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#9 |
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Registered User
1989 MJ Comanche
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HP Dana 30
just saw your in WI too. im about 90 minutes from ya 
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11-20-2009, 09:13 PM
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#10 |
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Registered User
1988 MJ Comanche
Join Date: Oct 2009
Location: Prairie du sac, Wisconsin
Posts: 753
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Cool stuff Good to meet ya...
So the D30 will handle the V8 but the D35 won't correct ? Mike |
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11-20-2009, 09:33 PM
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#11 |
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Registered User
1989 MJ Comanche
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D35s can barely handle (and sometimes they cant) stock Jeeps. if you upgrade the shafts in the 30, you should be good. Your "only" putting in a 290 so the 30 should be plenty strong.
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11-20-2009, 09:50 PM
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#12 |
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Registered User
1988 MJ Comanche
Join Date: Oct 2009
Location: Prairie du sac, Wisconsin
Posts: 753
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Don't under estimate that lil'290 out it that little beast turns out 225hp n 300tq.
Its a rather stout engine tho its a premium fuel unit as it has 10.2:1 compression. Its all factory it was design for moving around 3800-4200lb cars 2.87 - 3.15 Gears 26-28" tall tires even. AMC290 2bbl: 200hp n 260tq. AMC290 4bbl: 225hp n 300tq. Not to bad when you figure a 350TBI makes 210hp n 300tq. . . Mike Last edited by AMCSportTruck; 11-21-2009 at 10:04 AM.. |
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