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I agree. Transmission reliability would be my first concern when significantly increasing engine output. Also, how is all that power going to get to the ground? It sounds like some big dialing-back of output in the first two gears would be necessary to keep the tires from spinning.
I remember it wasn't long ago that assuming a COM height of about 23", and about a 63/37% W/R static weight bias with the front tires driven, I calculated that the fastest time possible 0-60 mph would be slightly more than five seconds, assuming mu(s) = 1.00 for the tires. Since the existing 3.5 V-6 is close to this number already, then going much faster would require very sticky (= fast-wearing and usually poor-handling) front tires. 1/4-mi times, OTOH, could come down significantly even with street tires: the same maximum acceleration, if held throughout the 1320, would yield 12.4 sec. It would also require 689 hp at the end of the 1320, so we really need to maximize acceleration early, as usual, but then we're square back to the traction problem.
Last edited by mapirc; 11-12-2015 at 04:42 PM.