4.6l talk

So I've been online trying to find out the best mods for my '08. I would like to change the cams, install CAI, new exhaust, 3.73 gears, etc. I was considering the comp cams XFI (stage 2) cams but I'm hearing that with these mods you will need a dyno tune (to get the best benefit) but isn't...

:headscratch:Ok here is the deal... i race...not show the hp output on my car... i want to know what type of supercharger is best out of the twin screw, eaton m112, or centrifugal unit??? i dont want lag... form what i hear at the track i go to people with centrifugal unit has lag untill they...

!st run today 14.52 @96 mph before engine swap i ran a ugly 15.3..... pi head and intake is well worth it get it if you can and if you get the whole motor do not hard to do i did it on jack stands in my driver way....

I have a 2004 GT automatic that just ate its 4th water pump. the car only has 40,000miles on it. any ideas why this is happening