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Cummins swap

Old 04-01-2014, 04:38 PM
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Default Cummins swap

Looking for some insight on my build. I have a 97 that I just got and I'm beefing up the Frame and swapping axles out but I do not know what kind of axle I should get. Any ideas??? Thanks
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Old 04-02-2014, 07:53 AM
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you arent the first to say this and you wont be the last no one ever follows through an xj is not a good platform for this swap i have met guys who have done 4bt swaps on wranglers and they regret because its a heavy dog motor and there is no way your shoehorning a 6bt in a wrangler or xj...

best bet for an xj is a tdi or mercedes diesel as for axles it all depends on what your doing with the jeep..
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Old 04-02-2014, 08:01 AM
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Yeah the 4bt is 700lbs same weight as a big block chevy.The vw diesels are lighter and make good enough power.Or go ls they are light make great power and getting cheap if you get a 5.3.
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Old 04-02-2014, 05:11 PM
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Originally Posted by mcguyver_xj View Post
you arent the first to say this and you wont be the last no one ever follows through an xj is not a good platform for this swap i have met guys who have done 4bt swaps on wranglers and they regret because its a heavy dog motor and there is no way your shoehorning a 6bt in a wrangler or xj...

best bet for an xj is a tdi or mercedes diesel as for axles it all depends on what your doing with the jeep..
We'll it has to happen now lol Bc I already have the cab off and reinforce ing the Frame to pretty much be a small 3/4 ton jeep with a Cherokee body.
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Old 04-02-2014, 05:23 PM
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Originally Posted by andrewmp6 View Post
Yeah the 4bt is 700lbs same weight as a big block chevy.The vw diesels are lighter and make good enough power.Or go ls they are light make great power and getting cheap if you get a 5.3.
What's great power to you tho?
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Old 04-02-2014, 05:31 PM
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Originally Posted by D_money View Post
I already have the cab off and reinforce ing the Frame
I dont follow
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Old 04-02-2014, 07:44 PM
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Originally Posted by Rollincoal420 View Post
I dont follow
I'm confused too haha
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Old 04-02-2014, 09:29 PM
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The way to go would be the motors from the old Mercedes turbo-diesels... The 300 SD's were torque MONSTERS.
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Old 04-03-2014, 02:00 AM
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The 5.3 makes 285 and 295 hp and 325 to 335 foot pounds of torque depending the year.If that's not enough it can be built up to close to 500hp with bolt on parts.
The stock 4.0 in the jeeps made like 190hp and 225 foot pounds of torque.
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Old 04-03-2014, 04:47 AM
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Originally Posted by D_money View Post

We'll it has to happen now lol Bc I already have the cab off and reinforce ing the Frame to pretty much be a small 3/4 ton jeep with a Cherokee body.
What year cherokee are you working on? If it's a full size cherokee I see know reason you couldn't pull off a 6bt...I seen one in a cj7 it was truly impressive!
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Old 04-03-2014, 06:49 AM
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def following this. I've yet to see aynone complete this so go for it.
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Old 04-03-2014, 12:55 PM
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Originally Posted by mcguyver_xj View Post
you arent the first to say this and you wont be the last no one ever follows through an xj is not a good platform for this swap i have met guys who have done 4bt swaps on wranglers and they regret because its a heavy dog motor and there is no way your shoehorning a 6bt in a wrangler or xj...

best bet for an xj is a tdi or mercedes diesel as for axles it all depends on what your doing with the jeep..
Plenty of people go through with it.

https://www.cherokeeforum.com/f46/di...j-swap-149975/
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Old 04-04-2014, 06:20 AM
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Originally Posted by thatXJguy View Post
Plenty of people go through with it.

https://www.cherokeeforum.com/f46/di...j-swap-149975/
Alright thanks for the Info. My goal is to push what ever motor to te fullest and make the most power it can . A 300d can really make 500 hp? Or what motor could knock those doors down on a dyno ? I pulled the old motor out last night. Now I just have to pick a motor to put in it
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Old 04-04-2014, 06:20 AM
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I nice used one that is don't have enough for a crate
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Old 04-04-2014, 09:39 PM
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post up some pics of the work done thus far !!

and good luck
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