408 horse power?

Your definetly gonna have to lose the low gears.Once you have your cam figured out,then you,ll beable to match a convertor and gears for max. performance.good luck

X2, the gears are going to drag it down. 3.55/3.91's will make it feel 1,000 lbs lighter.

Now coasting the freeways around 80 mph those gears will be great, its from a stop it be a pain