I will be installing a LH6 aluminum 5.3 in my G-body and need your help on cam selection!! I have 243 heads, LS6 intake, LS2 lifters and the trunion upgrade. I cant decide...still want good street manners and something my kids wont cry about in the back seat because of the noise..lol looking for 400-425hp any suggestions or ideas would be great! thanks!

stock gen 2 LS6 cam
204/218 int/exh duration @ .050" .551/.547 lift

comp LSR 265LrHr12
215/223 int/exh duration @ .050 .604/.610 lift 112 lobe sep.

or

Comp LSR 269LrHr12
219/227 int/exh duration @.050 .607/.614 112 lobe sep.