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Unread 12-06-2005, 07:54 PM   #1
83renegade
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1984 CJ7 
 
Join Date: Dec 2005
Location: Hazel Green AL
Posts: 83
motor swap

I have a 83 cj7 with a 258in it. It has t-5 transmission. I want to put a 304 or 360 in it. Can anybody tell me what I'm looking at as far as what I need , time and any help would be nice.

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Unread 12-06-2005, 07:59 PM   #2
cjjeeper258
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Join Date: Sep 2005
Posts: 191
Search the forum and you will find almost all the info you need. This has been discussed a million times.

That being said, its pretty straight forward and the time it takes depends on how fast you can work
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Unread 12-06-2005, 08:22 PM   #3
83renegade
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Thanks. I'll start looking.
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Unread 12-06-2005, 09:53 PM   #4
flexncj7
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1985 CJ7 
 
Join Date: Sep 2004
Location: Chesterfield, Virginia
Posts: 349
It's a pretty straightforward swap.

1. Motor mounts- either stock (both frame and engine side) or M.O.R.E units (worth it)
2. Engine w/accessories- (get a 360 from a waggy) including PS pump and brackets
3. Bigger radiator and proper hoses.
4. Tranny- if manual, you need the flywheel to match the c.i. of the engine.
if auto, you need a tranny, shifter, and cooling lines.
5. Electrical- you can use most of whats there
6. exhaust- have it done, easier than sourcing the CJ manifolds.
7. Time- I did mine alone in spare time, over the course of a couple weeks. (could be done much faster with a extra pair of hands)
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1985? Jeep CJ-7: 360, 999, D300, LOMAX 4:1, Dana 44s, 4.10's, Aussies front & Detroit rear. S0A, York OBA, YJ tub, 36" IROKs-
1989 YJ Sahara: 258, puko tranny, np231. 2-3" spring and 2" body lift. 33" TSLs- latest project.
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Unread 12-08-2005, 06:07 PM   #5
83renegade
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1984 CJ7 
 
Join Date: Dec 2005
Location: Hazel Green AL
Posts: 83
Please be patient with me I'm new at the Jeep thing. What motors are easily swapped into cj7 with a t-5? I'm planning on running 3/4 or 1 ton running gear with 38's or 39's. Just looking for something bigger to turn the tires. Preferably as cheap as possible but reliable.
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Unread 12-08-2005, 06:32 PM   #6
dawgates
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1980 CJ7 
 
Join Date: Sep 2004
Location: Nevada
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Hey, patient is our middle name. Remember there are no stupid questions, only stupid azz answers!
That said, you may have to upgade your trans with a V8 swap.
Theirs a bunch of great sites.
bustedjeep .com
4x4wire.com
jeep-tech-tips.com
jeepgod.net
I think jeepstake and geerhed also have some great articiles on their web site too.
Plus as mentioned on a previous post "The Jeep Forum" has some great stuff as well. Start nosing around and see what the Forum has to offer.
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80' CJ7, 360 Howell Injected, 3" single exhaust, NP435 4spd, Dana 300 AA clocking ring, Currie twin stick, Tera-Low 4 -1 kit, Dana 44 front, cut 10" wider to 63", 4.10 gears, ARB, Yukon axles and Super H/D u-joints, Currie Dana 44 rear, cut wider to 60 1/2", 4.10 gears, ARB 35 spline, Currie 35 spline axle shafts, 2 1/2" x 11" Ford drum brakes, CJ-SOA conversion, Tom Woods F & R drive shafts, Warn 9500i winch, 6 point cage, Homemade F&R bumpers and tire carrier, 1" body, Pro Comp supension Kit, 12.5x35x15 BFG's, 15x10 OMF beadlocks, Body armor, OBA.
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Unread 12-08-2005, 07:25 PM   #7
BESRK
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1980 CJ5 
 
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Location: Newport News, VA
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Quote:
Originally Posted by 83renegade
Please be patient with me I'm new at the Jeep thing. What motors are easily swapped into cj7 with a t-5? I'm planning on running 3/4 or 1 ton running gear with 38's or 39's. Just looking for something bigger to turn the tires. Preferably as cheap as possible but reliable.
If you really plan on running a V8, big axles and 38+ rubber, you'll want to toss that T5 Tranny. Maybe look for a fullsize truck tranny with a granny gear (like an NP435, T18, T19, SM465, SM420 or NV4500) or maybe an automatic (AMC Turbo 400 or TF727). If you find a Wagoneer, you can probably pull the engine and tranny together. Then just pickup an adapter to mate the tranny and transfer case together... lots of info out there for alot of possible combinations... research is your friend.
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