Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 700R4 swap to a T-400 ?
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Old 06-25-2010, 08:43 PM
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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

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
Dont worry how old you are... it is the mileage on your body that adds up.
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