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Old 12-16-2013, 11:32 PM   #1
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4bt swap build thread

i am looking for information on a 4bt swap im sure there is a thread that will tell me everything i just cant find it. i have gone to the 4btswaps forums and something is wrong with there forums. i cant post anything.

i have a 95 4.0 5 speed i am looking into a 4bt swap but i want to know everything befor i start.

-build time
-horse power comparison
-direct bolt in
-what plates would i need
-can i use my ax15
-everything else
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Old 12-29-2013, 06:19 PM   #2
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A good place to look is jeffdanielsjeeps.com he specializes in 4bts. The motor comes with either a ford or gm adapter and then you need to take another adapter off that to your ax15. On mine I have the ford adapter and ford bellhousing then an adapter from the ford bellhousing to the ax15

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Old 01-02-2014, 12:30 PM   #3
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There is a good amount of info here: anyone here have a diesel ?

I posted a novak link to the borg warner transmission that was mated to the 4BT i was looking at, I am unsure of what other trannys can mate up to a 4BT but Novak has the info you need.
95' YJ 4-Banger, 5" black diamond lift, Bilstein shocks, shackle reversal kit front and revolvers rear, 33 x 12.5 BFG A/Ts, Dynatrac D60 Axles front and rear, ARB air lockers front and rear, custom drive shafts, 3/4 ton break calipers, 10k LB Engo syth winch, 50" LED windshield light bar, black Monstaliner inside, Predator Green Monstaliner outside, marine speaker sound system, marine vinyl dash and seats. Many other little goodies!
Swap to a 4BT diesel in the future? Most likely.
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Old 01-03-2014, 12:19 AM   #4
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Some of the engines come with dodge adapters and are mated to a dodge 47rh.
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Old 05-05-2014, 09:42 AM   #5
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Check out my build thread

Cummins 4BT YJ Build!

I can help you out with motor mounts too!
Jeep 1: 93 YJ, TBI Chevy 350, SM 465, NP 231 SS SYE, 3.5" BDS, 33" BFG AT, 0 rust. Sold due to College.... Jeep2: 91 YJ, 4BT Cummins TD, NV4500, NP 231 SS SYE, 2.5" OME, many mods in progress. DD: 2001 Cummins 24v ext. Cab short bed, NV4500 5spd.

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