Need Opinions on Alternator

Well it is very likely to be "too much" IF you still retain the factory original wiring. The bulkhead connector, ammeter and wire size used in the charging circuit is very limited, and was never designed for much above 40A. "Ma" knew this and implemented what has become known as "fleet police taxi" wiring, and which in some part BYPASSES the bulkhead connector.

CERTAINLY you need to read this article:

http://www.madelectrical.com/electricaltech/amp-gauges.shtml

Also if you do eliminate the ammeter, there is an thread here on FABO about converting the original meter to a voltmeter. Unfortunately the "Sunpro" meter used does not seem to be available, any longer. However, this might gives you ideas

http://www.forabodiesonly.com/mopar/showthread.php?t=119480