2.9 Whip?

97desertCobra

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Maybe......but considering how many root screw options there are for the 03-04 Cobra its unlikely. Look at it like this: the GT 500 comes stock with a 2.1. So it has 2 upgrade options, the 3.4 and 2.9. The Cobra has 2 upgrade options, the 2.3 and 3.4. I think the 2.9 would be redundant and cut into the 3.4 sales. But I think on a 4.6 the 2.9 would make more sense than a 3.4. Just my .02. And then there are the Kenne Bell blower options...............
 

LSUstang05

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My tuner has had one on his Lightning for quite some time now. He makes pretty insane power for the mods he has being just a built block and full exhaust (680/650 IIRC) with only 12˚ of total timing (boost, not sure on). It is definitely a pretty slick unit all installed and pretty looking. From what he told me, the 3.4L is more of a race driven blower that runs much more efficiently at 19+psi of boost whereas the new 2.9L blower will be much more efficient from the 15psi-20psi range (where most people keep their blowers at) while creating a nice power curve.
 

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