QUOTE(rdauenhauer @ Sep 8 2003, 11:57 AM)
Why cant a larger output Alt be put in...90Amps
Up here in Pacific NW we have plenty of opertunity to have our lights, radio and wipers going. I can watch my volts dip every time I flip on my turn signal!
It could be, but why? Running the higher-capacity alternator requires more power from the engine. That is power that cannot go to pushing the car forward.
And even with a zillion-watt alternator, your voltmeter will still dip when you turn on the lights or the turn signals. It's a function of where the voltmeter is in the car's circuitry.
A 90A alternator is simply not needed unless you are running quad "super oscar" rally lights, or a major boom-boom stereo. 55A will do quite well for any reasonable electrical demands on the car.
WRT the GM alternator, it will be interesting to see how long it lives tucked up next to the 914 motor. If a long time, then we have a cheap source of alternators (as long as we're willing to do a little modification). If not, well....
--DD