Are these fans the best way to go on a 1500? People keep telling me the LS1 fans don't keep them quite cool enough, and to go with GM factory 2500 electric fans, the radiator has to be upgraded, so i was looking at the Flex a Lites also. Any opinions?

Of course, I was looking at these http://www.jegs.com/cgi-bin/ncommerce3/Pro...249&prmenbr=361