no need for ammeter mods, as far you make the right upgrades and power splices location

yes, will need run better and thicker wires and clean conections.

http://www.dodgecharger.com/forum/index.php/topic,33574.0.html

http://www.moparmusclemagazine.com/techa...ator/index.html

ALTHOUGH the problem is not really the bigger output capacity, like the poor iddle charging capacity what produces the high peaks and heavy needle flicks, coming and going... just that OF COURSE a higher output capacity will increase the output at iddle by default.