Quote:
Originally Posted by David@Vengeance
It is completely personal preference and based on power goals. Positive displacement = more low end torque, where centrifugal = more potential peak power. The 2.9L Whipple upgrade for these cars will be a huge improvement over the 1.7L if you're aiming to make over ~700-750rwhp where the 1.7 runs out of steam and keep the low end grunt, but if you're focus is more on drag racing/half mile type scenarios and wanting to make 800+whp, the Procharger will be the end-all.
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With the Whipple, you mention 700-750 RWHP...I'd think with a Cam/Heads/E85 and a 2.9L Whipple you'd be very much north of 800-850 RWHP right?
The ProCharger has been going on the LT4 for a while now and I've seen Vengeance do it quite a few times, seems like a great setup and personally I'd go for that.
Though for me, a VR Stage 3 on the stock 1.7L is all I'll need.
