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Unread 09-22-2013, 07:02 PM   #1
schaan
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Question 4.3 sm 465 what tcase ?

I have a rebuilt 4.3 and my 258 tf999 is tired and out.

If I use a sm 465 what t case will work for drivers drop with or without an adapter?

Going in our 88 YJ..

Im on a tight budget and already have the 4.3 so not looking to spend a fortune.


2nd photo ..sm 465 Transmission Adaptor For GM, GMC Chevy Truck Np205, Np208 Transfer Case .................................................. .................................................. .................................................. .................................................. .....................

184491_10151824939329694_104438755_n.jpg   t2ec16v-y8e9s2fjtrrbsnmu9el4q-60_57.jpg  
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Unread 09-23-2013, 02:36 PM   #2
JeeperDon
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Why oh why would you do an engine swap and not pull the grill and fenders? It's so easy to do, and easier to do the swap.

Even with the low 1st of the 465, being that it's a 4.3 and not a V8, I'd consider a stock TJ Rubicon t-case.
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Unread 09-23-2013, 03:19 PM   #3
schaan
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came out easy as pie... MUCH easier to remove without that extra work.. Lifted back of t case and pulled YJ out from under it..

Thanks but Im thinking flipped 300 now.. still looking and learning.

I have 2 np231's one 95 one 88..
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Unread 09-23-2013, 03:50 PM   #4
underpowered
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chevy NP241 IMO.
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Unread 09-23-2013, 03:55 PM   #5
schaan
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I got that same answer from a local buddy I respect.. thinks the chain drive should be more than adequate with 33's or 34's...

Thanks for the suggestion.
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Unread 09-23-2013, 03:56 PM   #6
Randonexplosion
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Quote:
Originally Posted by underpowered View Post
chevy NP241 IMO.
I should have listened to this advice when I did my swap.
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Unread 09-23-2013, 04:08 PM   #7
jason m
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241 hands down, I run one in my jeep with 39's. it will be much stronger than a 300, IMO I think they are the next step below a 205 or any of the "2" series case's.
The nice part about a 241 or any HD ALU case with a chain is the housing can flex under load, that's why they put them in one tons threw the 90's even behind the diesel trucks, Dodge and Chevy.

With that adapter and maybe some hole mods you will be able to adapt a 32 spline pass side ( or driver drop with a lot more hole mods ) to a 32 spline input 241.

Jason.
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Unread 09-23-2013, 04:12 PM   #8
underpowered
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i run a V8, SM 465 and a Drivers drop 241 on 38.5's in my K5 with no issues. i think it will be more than strong enough.
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Unread 10-06-2013, 05:54 AM   #9
schaan
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Talking Dana 20

Thanks so much for the info.. I decided in the end to get a Scout dana20 so I can twin it and I have most experience with this case from eb days.
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