Quote:
Originally Posted by Deputy Dog
The 72' 454 is not even the same engine. The big daddy 70' 454 was an LS6 engine. The LS5 in 72' had emmissions equipment added and compression was lowered to 8:5.
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That's possible I don't keep up with what year had what engine from older muscle cars. The article I posted had them dyno an LS6 Chevelle and it put down 288 rwhp which gives it about a 350 hp rating which would be about right if you take away that gross horse power rating they used before 72.