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Old 08-29-2009, 05:09 AM
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msh227 msh227 is offline
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Location: Lehigh Valley, PA
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TH400 to Manual Transmission Swap

Just looking for some good opinions on which manual transmission and transfer case setup would be best to use in a '78 J10 with a 360. I'm open to all brands and manufacturers it doesn't have to be the stock setup for that year. Thanks

Matt
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Old 08-29-2009, 06:05 AM
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Tornado230 Tornado230 is offline
350 Buick
 
Join Date: Sep 14, 2008
Location: Fleetwood, PA
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Let your wallet/checkbook/credit card be your guide.
Anything is possible, but the easiest and least expensive is to obtain bell housing, T-18/Dana 20 combination and also the clutch linkage.
I think there is a set-up on the for sale.
Everything bolt on, front drive shaft is the same, rear is not, but would also be available.
A flywheel either new or used is also readily available.
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Old 08-30-2009, 07:46 AM
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msh227 msh227 is offline
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Matt

1978 J10 5.3L/700r4/QT swap in progresss....

37x14.50R15 TOYO Open Country MT
4.56 Gears
6" Bjsoffroad Lift
3" Body Lift
Mile Marker Part-time 4wd Kit

1978 J10 Build Thread:
http://www.ifsja.org/forums/vb/showthread.php?t=108566
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  #4  
Old 08-30-2009, 10:00 AM
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tgreese tgreese is offline
 
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Location: Medford MA USA
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Yep, find a donor truck and swap everything over. That will give you a Borg-Warner 3-speed (T15) or Borg-Warner truck 4-speed (T18) pretty easily.

Otherwise, what do you want from the swap? Overdrive gear? Granny gear? Easy shifting?
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Maine beekeeper's truck: '77 J10 LWB, 258/T15/D20/3.54 bone stock, low options (delete radio), PS, hubcaps.
Browless and proud: '82 J20 360/T18/NP208/3.73, Destination ATs, 7600 GVWR
Copper Polly: '75 CJ-6, 304/T15, PS, BFG KM2s, soft top
GTI without the badges: '95 VW Golf Sport 2000cc 2D
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Old 08-30-2009, 04:11 PM
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msh227 msh227 is offline
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I really just want overdrive but I have been doing a lot of research today and it seems like there isn't many options. It seems like a 700R4 or an AW-4 are my only options for an automatic. If there is a 4 or 5 speed manual with overdrive that would bolt up easily or with the use of an adapter plate I would really like to know. But like I said it seems like I am limited unless I feel like spending big bucks. I would also like to keep my 360 if I can.
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Matt

1978 J10 5.3L/700r4/QT swap in progresss....

37x14.50R15 TOYO Open Country MT
4.56 Gears
6" Bjsoffroad Lift
3" Body Lift
Mile Marker Part-time 4wd Kit

1978 J10 Build Thread:
http://www.ifsja.org/forums/vb/showthread.php?t=108566
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  #6  
Old 08-30-2009, 04:29 PM
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Tornado230 Tornado230 is offline
350 Buick
 
Join Date: Sep 14, 2008
Location: Fleetwood, PA
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Check the Novak site and also Advance Adapters.
All the information you need to make a decision.
It will come down to NV3550 or NV4500 for a manual with OD.
Not inexpensive.
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  #7  
Old 08-30-2009, 07:03 PM
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mdill mdill is offline
 
Join Date: Nov 22, 2000
Location: Richfield MN
Posts: 7,076
Lots of manual overdrive options:
Jeep T-5 (World class ones can be built)
AX-15, NVG 3550 (light med. duty)
NSG 6 Speed (med -light duty)
NVG 4500 Heavy duty
... With more work

Auto's also have a few options.

Nothing streight bolt in, but it is a Jeep it can with "factory adapters for everything, you can do the same.

Mike D.
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  #8  
Old 08-30-2009, 07:25 PM
8379qtj10 8379qtj10 is offline
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Location: Washington NC
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AX-15 is a good swap as 92+ have the external slave cylinder so you could use a YJ style hanging clutch pedal assembly. Only problem is the DSD NP231 case.
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  #9  
Old 08-30-2009, 08:13 PM
JeepMods JeepMods is offline
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Join Date: Jul 08, 2009
Location: Norfolk
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I have the Bellhousing and 5" spacer needed for the T18 w/the long input... food for thought.. it's collecting dust and taking up space...
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  #10  
Old 08-30-2009, 09:47 PM
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wickedwagon767 wickedwagon767 is offline
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You could find an '89-91 (solid axle truck) 700R4 - NP241 combo fairly inexpensive and swap them over at the same time to avoid costly adapters. The NP241 is passenger drop in the solid-axle GM trucks and is a nice all-around T-case. 2.72:1 low range.

Yea,as for a manual tranny with O/D on the cheap.......don't see that happening.
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