The vmp at 700/730rwhp will walk the the 2.9 at those power levels. A 2.9 needs to be making more power to make it that much more efficient while the vmp is at max efficiency. Bigger is not better and the vmp will be much more snappier. Just ask yourself this would you rather put an 88mm turbo or faster spooling 76mm on a cobra street car.
88 for sure so people can go when they ask.
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