Diesel Cummins 4BT TJ - Page 6 - JeepForum.com
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post #76 of 175 Old 04-21-2010, 12:04 PM
BigOrange90YJ
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sweet, ill proly go with a different tranny when i do the swap though, i dont want my AX-15 to blow up


Currently Jeepless, if you get too frustrated with yours I'll take it off your hands.
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post #77 of 175 Old 04-21-2010, 12:05 PM Thread Starter
doc_dyer
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actually your ax-15 is stronger than the 6 speed trany
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post #78 of 175 Old 04-21-2010, 12:25 PM
BigOrange90YJ
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i dont know much about trannys (lol transmission.. everytime i type tranny i cant help but think about something other than a transmission) but it would seem that a transmission with thicker gears would be stronger, the ax-15 is moderately small.

Currently Jeepless, if you get too frustrated with yours I'll take it off your hands.
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post #79 of 175 Old 04-21-2010, 01:23 PM
austinaubinoe
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one of these days im gonna by a wrecked Tj and do something like this...might just do a V8 (IMO power over MPG's )

what Im actually most worried about is messing with the airbags, how hard are they to actually remove and reinstall? I hear if you leave the battery disconnected for 24 hours or something it discharges the airbag capacitor.
and are they just plugged in?

I have heard stories where mechanics die by accidentally setting off the airbags.

Imagine how much power you would have with 44's and 4.56's!

congratulations on a brand new looking jeep for less then 10k!
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post #80 of 175 Old 04-21-2010, 10:17 PM
FlyinPhil
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sick swap man! i might consider something like this in a few years when my 4.0 gets tired out

A 6spd makes it a race car right?
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post #81 of 175 Old 04-21-2010, 10:29 PM
ocTJ
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I didn't even read it I just crawled it on moral alone cummins keeps the earth in it's correct orbit!!

PS Tweak that motor already so the guys that don't think a 4BT can grenade a 44 can see the pictures of what that little hamster will do

"People most often miss opportunity because it is dressed in overalls and disguised as work." Thomas Eddison

2002 Apex Jeep TJ Lifted, Locked, geared and ready for more

Last edited by ocTJ; 04-21-2010 at 10:41 PM.
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post #82 of 175 Old 04-24-2010, 03:19 AM
ratmonkey
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Quote:
Originally Posted by BigOrange90YJ View Post
i dont know much about trannys (lol transmission.. everytime i type tranny i cant help but think about something other than a transmission) but it would seem that a transmission with thicker gears would be stronger, the ax-15 is moderately small.
the ax-15 is rated to roughly 300ftlbs of torque. give or take 25-50ish. it is a medium duty transmission similar to the nv3500 or nv3550.

'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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post #83 of 175 Old 04-25-2010, 03:25 AM
Special_Z28
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Lookin good! I always thought Jeep should have offered a diesel motor option from the factory..this is on my list for when the I6 dies..or an LSx.

How's the diesel sound when the tops off cruising?? I think it may get annoying after a while..DDing it. I'm not too picky tho.

1994 Camaro V6 3.4 (Mystic Teal)
1994 Z28 Quasar Blue
2005 Jeep Wrangler X 4.0L
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post #84 of 175 Old 04-25-2010, 08:56 AM
SaxManClay
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Great looking build! I'm actually saving up for this swap myself!

I was wondering, did your front springs sag at all after the swap? If so, how much?
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post #85 of 175 Old 04-25-2010, 09:25 PM
Chester405
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I've been dreaming of a diesel swap ever since I have heard of it. Do you think that the 32RH would handle the 4BT?
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post #86 of 175 Old 04-25-2010, 10:42 PM
Mark4883
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Great Jeep, great thread.
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post #87 of 175 Old 04-25-2010, 11:40 PM
madhouse
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Quote:
Originally Posted by SaxManClay View Post
Great looking build! I'm actually saving up for this swap myself!

I was wondering, did your front springs sag at all after the swap? If so, how much?
Quote:
Originally Posted by doc_dyer View Post
Ultimate OME from DPG offroad
heavy springs
OME shocks
this isn't a picture book, read some of the thread.


97 tj sport, 4" tuff country, 35 inch bighorns
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post #88 of 175 Old 04-26-2010, 01:12 PM
baron
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Excellent...

2007JK2DR
99TJ4.0L
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post #89 of 175 Old 04-26-2010, 01:14 PM Thread Starter
doc_dyer
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Quote:
Originally Posted by austinaubinoe View Post
one of these days im gonna by a wrecked Tj and do something like this...might just do a V8 (IMO power over MPG's )

what Im actually most worried about is messing with the airbags, how hard are they to actually remove and reinstall? I hear if you leave the battery disconnected for 24 hours or something it discharges the airbag capacitor.
and are they just plugged in?

I have heard stories where mechanics die by accidentally setting off the airbags.

Imagine how much power you would have with 44's and 4.56's!

congratulations on a brand new looking jeep for less then 10k!
just disconnected the battery, didnt have any problems, they were the last things to get connected again.
just treat them like loaded weapons and you will be fine
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post #90 of 175 Old 04-26-2010, 01:15 PM
baron
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What is the weight difference between the 4.0 & 4bt

2007JK2DR
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