You'd know immediately if it was in backwards- - - -the clutch wouldn't release properly because the springs in the hub would drag on the flywheel bolt heads. It causes the gears to grind even with the pedal depressed all the way. Been there, done that!
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!