mogs01gt said:Your gas mileage will go down because you will see WOT more often.
ProCharger GT said:i get roughly 15.. lots of city driving though... also i need a better MAF...such as an SCT.
Purebred said:Thinking about doing VT Stage 2 cams in the spring, along w/ 4.10s...what will this do to my gas mileage? It's a DD, so I'd like to keep it as streetable as possible. Thanks!
Any decrease is because you can't keep your foot out of it. 
nickthegenius said:What cams are you running with your blower? SHMs?
BTW, my mileage with my XE270AH cams on the last tank was about 18mpg with mixed driving.