Gen 1 vs. Gen 2 engines

[V10SpeedLuvr]

Besides the HP ratings, what are the differences b/t Gen 1 RT/10s and non-creampuff (97-99) Gen 2 engines?

 

[JiPi]

This can help:
http://vca2.viperclub.org/forums/showflat.php?Cat=&Board=UBB14&Number=608041&page=40&view=collapsed&sb=5&o=&fpart=1