Was that 440hp 347 dynoed on an engine dyno with gross numbers? If that was net installed in the vehicle after a RWHP conversion to crank hp, he either got a crap dyno run, used the wrong conversion numbers, is full of ****, or he has some serious work done.
Most 347 combos dyno between 375-425hp N/A with good parts. 440 is serious N/A power for a 347.
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