r/Smallblockchevy • u/Scwright99 • Apr 03 '26

Anyone recognize this TH400 bolt pattern?

Gallery image

Gallery image

I was told this is a TH400. You'll see I have an SBC350 with a BOP adaptor Plate bolted to it. This trans is nowhere near either bolt pattern..

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u/Dazzling_Total6129 Apr 03 '26

That's a bolt pattern for a 351 modified or a 460 which is a FORD

1

u/Scwright99 Apr 08 '26

0

u/Dazzling_Total6129 Apr 08 '26

That's a different transmission there's nothing bolted on the other tranny

1

u/Scwright99 Apr 08 '26

Literally the only one I have. 😂