Uh oh....I'm still patiently waiting for my Tundra to arrive....I might have the Tundra Predator before the Tundra!!

Just sold my '07 GMC Duramax with U7186 Predator. With it, I ran 80 hp over stock or 445 hp for over 3 years without any issues whatsoever. The powertrain never limped once. Patiently waiting for my 2010 Tundra 5.7L CM TRD. Now I know gassers don't see the same type of gains but.....please help me ...

I have a 2007 Classic and use the 7186 Predator. Speedo calibration was off when using 285/75/16 as the tire size for the BFG AT T/A's I have. Using a GPS for calibration, I found my speed reading on the speedo was 6% too high. I simply keyed in 285/69/16 as the tire size on the programmer and it is ...