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Unread 11-04-2013, 11:53 PM   #1
Mk50
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Jeep drivetrain swap

I was wondering if I could buy a donor vehicle that runs good and just swap everything from it into my jeep. I'd swap engine axles transmission transfer case and all the computers and sensors. Would this work or is there more to it than that?

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Unread 11-04-2013, 11:59 PM   #2
SchizophrenicMC
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From one TJ to another, yeah, it's basically that simple. If, say, you wanted to swap a ZJ's V8 powertrain in, though, it'd be a bit more difficult. You'd need to create engine and transmission mounts for it, and possibly use different-length driveshafts.

But yeah, if you wanted to put the whole drivetrain of another TJ into yours, it'd be as simple as finding a donor with all the parts intact, and changing them over. Of course, the only real reason to do it that way is if the donor is cheap and has frame and body damage, or is otherwise unusable, but its mechanical bits are all in better condition than yours.
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Unread 11-05-2013, 04:26 AM   #3
uberxj92
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Hi and welcome to the forums. Schizo is right.
May I ask why you want to swap everything ?
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Unread 11-05-2013, 09:10 PM   #4
Mk50
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I was thinking about doing it because I needed bigger axles and wanted more power and no ones ever mentioned doing a whole swap like this so I asked.

I'm thinking installing a Atk 4.7 baja stroker would be easier, it sounds like to install it you just swap everything from your old engine to the new one and replace what's worn out.
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Unread 11-05-2013, 10:19 PM   #5
uberxj92
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Yep. I build strokers too. Easy as pie.
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Unread 11-06-2013, 02:33 PM   #6
Mk50
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Cool that's great uber

Do u have any tips or anything extra I need to get for a stroker swap
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Unread 11-06-2013, 07:23 PM   #7
uberxj92
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They're straight bolt ins. I would use a 99 xj intake and tb with your sensors. Maybe a little better exhaust manifold too. Definitely use better injectors. The increase in displacement is rough on stock injectors.
Stock wires plugs and distributor are still just fine.
Just remember to break it in right before hammering it. Zinc additive for first 800-1000 miles then change the oil.
I guarantee you'll be way happier. You'll notice huge low end difference.
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Unread 11-06-2013, 09:51 PM   #8
Mk50
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What do you mean when u say tb with my sensors?
What injectors do you use? Part number?

Thank you for all your help
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Unread 11-06-2013, 11:29 PM   #9
uberxj92
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Tb- throttle body. Use your jeeps sensors on it.
I don't have the part numbers any more. But I used Ford 5.0 24lbs/he injectors. Got em out of junk yard
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Unread 11-07-2013, 04:19 PM   #10
Mk50
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Okay thanks for the info
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Unread 11-07-2013, 04:26 PM   #11
Mk50
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Have you had any problems from yours?
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