| :and based on the proper mods (intercoolers), I would expect that they would make in the 530RWHP range. 530*1.18 = 625 cranksaft horsepower. I disagree with the "proper mods". Looking at your mods list, you have the following items, which I think are not yet on the common 500HP Z: AshSPEC SS DOOLZ v.1 - Dual Intake Shared Plenum Design - Hi-Flo Velocity Stack Intakes w/K&N Filterchargers
The DOOLZ is a relatively new product, and if it does in fact allow you to make more horsepower than the JWT dual-POP setup, it should not be used to rate your new Stage 2 turbochargers. Greg Dupree 4-bolt divorced downpipes, 2.5"
Greg Dupree testpipes 2.5"
Although these two items are popular among the higher horsepower Z's, I still don't believe they should be used to rate the Stage 2 turbochargers. AshSPEC Stage5+ ECU (Custom tuned via ZEMulator)
Again ... your ECU is custom-tuned. Nippon-Denso 570cc low impedance injectors (with 10W 10ohm resistors) and custom fuel rail.
How about using something that's commonly available on the aftermarket? Okay, not to hate or anything, but I think that naming AND claiming these turbos to be 620HP turbo's are indicatively over-optimistic. First, like I listed above, I think you should use commonly available parts. By using something custom or custom-tuned, you aren't really showing what I would call a proper way of rating the turbochargers. Although I have relatively little knowledge of tuning, it is very apparent that you are naming them for a marketing advantage over other comparable products. You even noted that the red line indicates pump gas while the blue line indicates race gas. And although I don't claim to know JWT's way of naming his turbos, I can assure you he doesn't name his turbo's based on runs using race gas. Therefore, if you actually take the maximum horsepower of 406.9 and multiply it by 1.15 (by your calculations), you arrive at a simple 480.1 crank horsepower. Flame (and argue) away.
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