Quote:
Originally Posted by GMRULZ
you are correct in the fact that our cams are not designed w/ boost in mind. As far as strain on the motor at a particular power level ie 600rwhp there is the same strain so to speak on the motor. The difference is you will be at lower boost w/ a ls9 or blower cam than your stock cam at the same power level and won`t have to worry as much about detonation if tuned properly. So there would be less chance of engine damage from detonation. Hower you may put a little more stress on your valvetrain potentially w/ a larger cam. I doubt it w/ the LS9 cam, but a decent sized blower cam may, it really depends on the specs quite honestly.
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My other concern, which may seem ridiculous at these power levels, is gas mileage. From what others have said, with FI gas mileage is not really affected in normal driving. Will a larger cam profile completely drop my gas mileage, regardless of driving habits?