On Tue, 19 Jan 2010 17:33:57 -0500, "Flying Pig"
wrote:

I'm forgetting at
the moment, high-output alternator (with spare regulators for my, now, 3 {!}
spare 70Amp alternators)

Have I got an alternator for you! Take a look at these guys:

http://www.alternatorparts.com/Extreme%20Duty%20Dual%20Rectifier%20CS-144%20type.htm

They are good for about 150 amps continuous with dual belts.