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-   -   700R4 swap to a T-400 ? (http://www.hotrodders.com/forum/700r4-swap-t-400-a-180016.html)

JoelHMcCarter 06-24-2010 01:47 PM

700R4 swap to a T-400 ?
 
I recently bought a 1986 C10 Silverado with a 305 motor and a broken 700R4, All i have to replace it with is a THM400. Can anybody tell me if it will be a direct fit or if ill need to change my driveshaft / Crossmember / and tranny mount? -Thanks

Crosley 06-25-2010 08:43 PM

Quote:

Originally Posted by JoelHMcCarter
I recently bought a 1986 C10 Silverado with a 305 motor and a broken 700R4, All i have to replace it with is a THM400. Can anybody tell me if it will be a direct fit or if ill need to change my driveshaft / Crossmember / and tranny mount? -Thanks


:pimp:

Not a direct fitment. cross member is moved , drive shaft length is different, drive shaft Yoke is different(larger = 32 spline) on most t-400 short shaft trans

454headache 06-26-2010 02:49 AM

Regardless, you'll love the TH400. Strong as an tungsten ox transmission. It will survive a 40mph shift into reverse, ask me how I know... :rolleyes:

Oh yeah, don't forget to hook up the downshift electrical connection on the th400 when you do swap it.


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