Notice the quotation marks around "clones"??????? A brand new imitation might run as well as, or possibly better than an original that's been worn out, "rebuilt", and worn out again a couple of times over the past 50-something years. Ditto for Edelbrock VS AFB.
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!