Unless you've got a 13 gazillion watt sound system or a set of "Chebby Low Rider" hydraulics instead of springs, a 100 amp alternator is overkill. 50-65 amps is twice the capacity or more of the original-equipment generators. The 10-SI shouldn't pose any serious mounting problems.
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!