Well i finally got my truck on the rollers a couple weeks back and was kinda dissappointed.. with the mods in my sig the Truck made 451 consistently over 3 pulls.. boost was only about 26psi... im used to seeing over 30+ on that same tune... granted it was on an unloaded dyno... hopefully i can get closer to 500 on a loaded dyno.. what other mods should i do to get to 550-600hp range
Nevertheless, 451 seems good to me for stock sticks with your mods. Now depending on what your goals are for the truck (i.e. how much you want to be able to tow), I would say that you need either 175cc or 190cc injectors.
some dynos can be slightly modified to give slightly better numbers.
If you try a different dyno you may get a different number.
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