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Unread 02-06-2007, 09:04 AM   #1
spiderjeep
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Nv4500

Has anyone installed a NV4500 in their CJ?? I read that it's about the toughest trans I can install. If you did, what do I need?? bell housing, clutch parts, anything????

I have a 85 CJ7 with a 360, 3 speed trans....

Thanks

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Unread 02-06-2007, 09:30 AM   #2
CJoe
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I have got one on the floor ready to go in, it is a monster going to be very tight. It bought it with a chevy motor on it, using a dana 300 needed a new input shaft from A A 207 bucks and just redrilled the tailshaft on trans and cut out put shaft
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Unread 02-06-2007, 11:43 AM   #3
PEEH
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Got one in mine. it just depends on what engine it will be behind. AA has a great book on these things. I have installed in my CJ with a SBC and Dana 300. The trans is heavy, 200lbs. and requires a special fluid. Yes, they are tough. It was all the rage when my T5 went out. The adapters can be costly. I got a price with adapters and all in one. I ended up getting a retainer plate for the 300 from JbConversions. I had trouble with the sealed bearing leaking from AA. JB can quote a complete kit. The crossmember will need to be cut, or create a new one.
I also have a brother with one in his YJ. Not much difference due to using the same engine.
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Unread 02-06-2007, 11:48 AM   #4
tcourdin
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Check this place out : http://high-impact.net/transmission_and_gear/index.htm I ordered my trans and transfer from them, they have great service!

I was going to get the NV4500 but ended up going with the NV3550. The 4500 is big and heavy, but I hear it in brutally tough if thats what you're looking for.
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Unread 02-06-2007, 07:29 PM   #5
Billy 4 Hp
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I have a Dodge version of the NV4500 out of a gasoline 4x4 truck bolted up to a 350 Chevrolet Vortec and Dana 300 transfercase. This setup does not require an adapter for the Dana 300 as it has the correct output shaft spline count/diameter and circular pattern but does require an inexpensive adapter from A/A for a Chevrolet bellhousing. It also requires a Dodge spline count clutch disc and custom pilot bushing as the Dodge input shaft at the pilot is larger than a normal GM...

Works great....

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Unread 02-07-2007, 11:16 AM   #6
CJeep
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I bought my Scrambler with one already swapped in w/ Advance Adapters (AA) conversion bellhousing. You will need to either do a small body lift or lower the transfercase to make that fit in there.
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Unread 02-07-2007, 01:58 PM   #7
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Think about how much you will spend for the NV4500 and if you need an overdrive. As long as you find a wide ratio transmission like the low geared T18 or SM420/SM465. You can run a taller gear in your axles and still have a low crawl gear to use on the trail.

Just a thought...
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Unread 02-07-2007, 11:42 PM   #8
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Question for the folks with the 4500's: How do they shift in relation to your original transmissions?(your T-176's, T-5's, etc.)
Are they clunky and rough, or are they as smooth as the stock transmissions?

My only experience with a granny gear trans was my old CJ-7 in the 80's that I swapped a T-18 into. It didn't shift nearly as nice as the 4-speed it replaced.
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Unread 02-08-2007, 06:40 AM   #9
NCSCRAM
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They are fully syncronized, even reverse, which is handy when you are rockin back and forth trying to get unstuck!
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Unread 02-08-2007, 06:42 AM   #10
NCCJ5ER
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I had one in a full sized chevy truck and it shifted like any other late model transmission. It was smooth as silk.
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Unread 02-08-2007, 06:15 PM   #11
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So in comparison to my T-176, other than it having the granny gear and overdrive, my shifting experience will be about the same?

That old T-18 I had shifted like crap, and it was newly rebuilt. It worked fine, but was really rough in comparison to a stock trans.
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Unread 02-08-2007, 10:38 PM   #12
Billy 4 Hp
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My NV4500 shifts like butter....and the shift throws are relatively short (your knuckles don't get anywhere's close to the dash)....

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Unread 02-08-2007, 11:12 PM   #13
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Anybody manage to see if one will fit between a 360 and a Dana 300?
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Unread 02-08-2007, 11:15 PM   #14
Pacfanweb
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Quote:
Originally Posted by Tangible Demise
Anybody manage to see if one will fit between a 360 and a Dana 300?
From what I'm reading, that shouldn't be a problem. They have kits to adapt them to AMC's or whatever popular engine you might have.

If I'm reading correctly, the best way to put an NV4500 in a CJ that has a Small Block Chevy is to get the Dodge 4x4 version, which will bolt right to a Dana 300, and then you have to change the input shaft to work with the Chevy engine.

That about right?
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Unread 02-09-2007, 04:39 AM   #15
Billy 4 Hp
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Quote:
Originally Posted by Pacfanweb
From what I'm reading, that shouldn't be a problem. They have kits to adapt them to AMC's or whatever popular engine you might have.

If I'm reading correctly, the best way to put an NV4500 in a CJ that has a Small Block Chevy is to get the Dodge 4x4 version, which will bolt right to a Dana 300, and then you have to change the input shaft to work with the Chevy engine.

That about right?
Well to do a Chevy / Dana 300 setup you can do it two ways if you have found a gasoline engine version of the Dodge 4x4 NV4500...

Option 1: Simply purchase A/A bellhousing adapter, Dodge spline clutch disc, Ford N1417 throwout bearing, A/A pilot bushing. Bolts right up

Option 2: A/A bellhousing adapter, install GM inputshaft into NV4500 (must make sure to have correct first gear ratio from previous Dodge 5.xx:1 input shaft as GM had both 6.xx:1 and 5.xx:1 first gear option in their NV4500). Then make sure new input matches up current spline count to existing clutch disc (or new clutch disc if it's being replaced) and length is the same as the Dodge input shaft being removed. Will still need Ford N1417 throwout bearing.

Sorry if I'm babbling it early here in Phoenix....

Good luck,

Billy
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