74 440 big block..info???

1970duster440 said

Between 225 -245 h.p. and 340-360 ft.lbs. torque @3200 r.p.m. stock.
The big killer then was the compression ratio which was only 8.2 to 1.

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well im actually not sure its a 74 block now. its in my 72 Charger and the exhaust manifolds are on so i cant get to the number on the side to see what it is. the heads are 74 and the intake is a 68. so im not sure what block it could be as far as year