T case drop? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 11-25-2002, 01:22 PM Thread Starter
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T case drop?

I am in the process of gathering information for a drive train swap. And I am wondering if chevy every had a drivers side drop T case. I am set on using a 350/SM465. But have not decided on a Trans case or axels yet. Did the SM465 ever come with a drivers side drop T case attached to it. Or should I save myself a lot of headake and just look for passanger side drop axels? Thanks for any help
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post #2 of (permalink) Old 11-25-2002, 02:27 PM
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Re: T case drop?

you can get a NP241 from a 88+ truck (not burban, blazer, or crewcab unteill after 91) that has a driver side output and has a nice 2.7:1 low range
post #3 of (permalink) Old 11-26-2002, 07:24 AM Thread Starter
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Re: T case drop?

Mnorby, Thanks for the info. I had never heard of the NP241. And you say that it only came in trucks from 88+. That isn't much of a window. From what I have read the SM465 was last used in 91. That is only a few years of posible donors. I would guess that they are probably hard to find, and costly.
How do they stand as far as being strong. Do they hold up pretty well.
Thanks again for the info. I now have another option for my upcoming build.
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post #4 of (permalink) Old 11-26-2002, 07:38 AM
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Re: T case drop?

I don't think it would be too hard to find that case. Should be able to find it in any 4 speed IFS Chevy truck basically which are '88 and newer.
post #5 of (permalink) Old 11-26-2002, 09:04 AM
 
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Re: T case drop?

small window? heck i KNOW you've got a 10 year window 88-98...after that i dont know what they've been using. nearly all 88-98 era trucks have the 241.
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post #6 of (permalink) Old 11-26-2002, 10:03 AM
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Re: T case drop?

Problem being is when did they go from using the sm465 to the nv4500?
post #7 of (permalink) Old 11-28-2002, 12:37 PM
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Re: T case drop?

They replaced the SM465 with the Getrag 5 speed coughjunkcough in 90 or so in the half tons, not sure if the 3/4 tons and 1 tons kept it much longer, although I have seen a 91 IFS 3/4 ton with a SM465. The NV3500 coughsligthlybetterjunkcough replaced the Getrag, and around 94 the NV4500 was in all of the GM trucks, half ton to one ton. I know the 1 tons and at least the high GVWR 3/4 tons never got the NV3500 or Getrag 5 speeds.
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