Quote:
Originally posted by r0lf-
You dont have 300HP coming from that motor. Any way you look at it you dont. It might feel that way, but its not. You might be running 270-280. Those heads are really holding you back, even with a set of vortecs you need a pretty dang big cam to even approach 350+ HP.
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DD2K shows he's making about 350 horses, factor in the innacuracy of DD2K (typically around 30%) and you still come up with well over 300. with the Vortec heads, you dont need that big of a cam to run those kind of numbers. there's a guy on thirdgen.com that runs in the 10s with a set of Vortecs, and an XE274. not much to the car at all, and its completely street drivable, still retaining the 700R4 and 3.73 7.5" 10 bolt. Vortec heads are designed to make torque, which is specifically what a truck needs, because they're heavy. you dont need to run any bigger cam than you would with a normal 64cc head.