Regardless of how it's mounted, that's an outrageous price to pay for too much carburetor. Unless you're planning to take turns at approximately the speed of a round track racer, I don't see a problem with mounting it sideways, however.
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!