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View Full Version : LQ9/TH400 swap into CJ5



Shopjunk
10-28-2013, 06:11 AM
Doing a little forced modernization on my CJ.

The reason:
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131021_184058_985.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131021_184058_985.jpg.html)

The process:
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131024_184631_201.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131024_184631_201.jpg.html)
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131026_122723_368.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131026_122723_368.jpg.html)
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131026_140337_379.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131026_140337_379.jpg.html)
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131027_133817_197.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131027_133817_197.jpg.html)
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131025_160016_227.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131025_160016_227.jpg.html)

Next big process is getting the engine wiring converted to stand-alone harness. Lots of info on various websites, but if anyone has done it here, would appreciate any tips/tricks.

Big4x4ride
10-29-2013, 11:58 AM
Lt1swap.com had all the wiring schematics, used that site and do all my wiring myself and it was very simple.

PondSkum
10-29-2013, 07:02 PM
Looks good so far! Can't wait to see it on the trails!

Shopjunk
11-04-2013, 09:19 AM
Wiring harness before:
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131029_192727_093.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131029_192727_093.jpg.html)
Wiring harness after:
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131030_191603_037.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131030_191603_037.jpg.html)
Engine in Jeep. This thing is tight. Had to order a smaller PS pulley (which i wanted to do anyways).
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131031_151422_954.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131031_151422_954.jpg.html)

Working on the little things now.

Shopjunk
11-19-2013, 07:33 AM
Difference in PS pulleys: Bottom is stock LQ9, middle is Vbelt PSC pulley, and top is new pulley. Should help my low speed steering quite a bit.

http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131110_175701_145.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131110_175701_145.jpg.html)

Wire harness all cleaned up:
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131118_211014_139.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131118_211014_139.jpg.html)

Trying to determine where to mount my fuel system. Consists of pre filter, pump, filter, then regulator.
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131118_181010_619.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131118_181010_619.jpg.html)
3 choices:
Under rear of jeep, directly below fuel tank. In the future I plan to add a suck down winch in this area as well
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131118_184206_315.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131118_184206_315.jpg.html)
In the drivers wheel well:
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131118_184220_700.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131118_184220_700.jpg.html)
Or under the drivers seat:
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131118_184232_419.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131118_184232_419.jpg.html)

Thoughts?

What's left:
install harness and PCM
Move Battery Mount
Move Steering Resevior
Exhuast
Intake and MAF
Cooling hoses
Rebuild and adapt TH400 to Dana 300
New crossmember

Shopjunk
03-04-2014, 02:25 PM
So I kinda forgot about the thread...sorry.
Lots of picture updates
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131119_191634_414.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131119_191634_414.jpg.html)
Corvette manifolds are center dump and much easier to route than the stock LQ9
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131204_211423_909.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131204_211423_909.jpg.html)
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20131207_185225_306.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20131207_185225_306.jpg.html)
Fuel System (still needed one hose in photo)
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20140111_115900_325.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20140111_115900_325.jpg.html)
Spacer needed to mount TH400 behind LQ9
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20140111_140956_616.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20140111_140956_616.jpg.html)
air intake, wires everywhere
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20140202_120455_055.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20140202_120455_055.jpg.html)
Difference in pedals, Metal one is from 04-06 truck. Make sure you match the module to your engine. I tried using the 07 (engine is 05)...it'll work, sort of. Mine lost communication on hard throttles.
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20140215_103145_553.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20140215_103145_553.jpg.html)
Console
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20140122_203338_894.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20140122_203338_894.jpg.html)
Very tight clearances
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20140227_192834_414.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20140227_192834_414.jpg.html)
Front Driveshaft
http://i1229.photobucket.com/albums/ee470/wyintex/IMG_20140227_201526_965.jpg (http://s1229.photobucket.com/user/wyintex/media/IMG_20140227_201526_965.jpg.html)
Again, Very tight


Ended up going FMRVB on the TH400 with a 2200 rpm stall. Shakedown run this weekend, otherwise I hope to see some of you soon.