Why does this question get asked about twice a month? The ground doesn't care where it goes, as long as it gets attached somewhere in the starter/bellhousing area. Unless you're trying to build a concours-show winner, it's much ado about nothing.
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!