Lots of those manifolds were sold by GM parts departments to stovebolt hotrodders who didn't like the Fenton split exhaust manifolds. That one has a working heat riser system, something the Fenton manifolds didn't have.


"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!