Are the trannsmissions / bellhousings interchangeable? the picture doesn't make this clear. http://www.buicks.net/shop/reference/nailhead_interchange.html


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64 Riv 4-wheel disc brakes
30 Model 47 322 w/ 6-2bbls
86 S-10 350/700-r4
92 D-350/Cummins Hot shot rig

no!! The 322 has a smaller circumference . The 364 and 401 and 425 will interchange. The 401 and 425 after 63 will not accept a Dynaflow without machining the rear of the crankshaft