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I wanted to know if a np 208 t-case that was from a truck with a th 400 transmission would bolt up to a th 350, and if it doesnt just bolt up what adapter do i need to purchase.
 

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No, TH350 is 27 spline output, TH400 is 32 spline.
 

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Th 400 and Th 350 have the same bell pattern housing, and as far as i knowthe same t-case pattern.

So basically you're saying you have no idea, but you felt like chiming in just the same.

TH400- 32 spline, 6 bolt hex pattern.
TH350- 27 spline, 4 bolt square pattern.
 

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It Well Hook Up But You Will Need To Change The Output Shaft On 350 To A 400 Measura Both Output Shaftes Go With The Length Of The 40o Shaft
 

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It Well Hook Up But You Will Need To Change The Output Shaft On 350 To A 400 Measura Both Output Shaftes Go With The Length Of The 40o Shaft
can you put a 400 output shaft in a 350? ive seen a 350 shaft in a 400 before. just wondering

heck just go buy one at a junkyard, almost every k5blazer/chevy truck you find out there will have a np208 behind a 700r4 which is the same transfercase that would go on a 350.
 
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