7 1/4 TO 8 1/4 Swap

.are these 8 1/4 rears good to build for mild hp applications?..seems everyone wants the 8 3/4 rears..looking to swap my 7 1/4 sometime..

I used an 8-1/4 behind a mild 360 for a while with no trouble what so ever. I upgraded to the 8-3/4 because i dumped in the big block