installing a 100amp alternator

67Dart273 said
.................Not sure why guys want to do this, is this actually in an A body? Remember this: These have, relatively speaking, HUGE rotors. Just about any rotor is geared (pulley ratio) 3:1 or 4:1 above crank speed so if you are spinning the engine to only 5K that alternator sees at least 15 THOUSAND RPM!!!!

I used to run one of these when I had the "wench" on the old FJ-40, but I wouldn't want one my my Dart

If you add electronics and accessories like radios, electric fans, high output ignition systems you need the extra juice from a higher output alternator. That's why :-)

Zuluman said
The wiring has already been upgraded to cope with the amperage.

When you say you "upgraded the wiring" do you mean you installed larger gauge wiring or that you have eliminated the amp meter and the bulkhead pass-through? The only reason I ask is because if you are still having the alternator output go through the bulkhead connector, when the alternator reaches full output, it definitely will start a fire at the bulkhead connector. I'd hate to see a Mopar go up in flames.