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Does anyone have a source for a year by year torque and horsepower comparo between this offbrand bigblock and a 460? ..I'm not thinking about buying anything... just need it for "debate" purposes! Thanks.
Get a big chilton's book. The one that covers all American Models. Theylist them in the specs pages of each manufacturer. They ususally cover about a 5 year span.
FWIW, the Doug Thorley web site has some HP and torque curves for the mid-90s Chevy 454 and Ford 460, comparing stock engines to ones using their headers.
I've hotrodded both engines and just by the seat of my pants, I'd have to say my present 460 (472) beats the 454. My 57 Chebby Tudor had a built-to-the-gills L-88 that I built with a 5:13 rear and Muncie close ratio -- used to have fun making it jump over coke bottles when dropping the hammer, so it had a "little" bit of o-o-o-m-p-h to it.
I'll have to say the 460 screams like a bat out of U-no-where.... and just about scares me!!....