If you painted the 455 the same color as the old Pontiac engine, it would probably take a real oldtimer to spot the differences. The lack of two short bypass hoses from the cylinder heads to the water pump would be a dead giveaway to some of us who used to fight with them when it was time to change, though!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!