GT Motorsports: 370Z Supercharger system development

Red370 · 02-27-2010, 09:01 PM

Quote:

Originally Posted by Buddy Revell

340-350 ft. lbs. to the wheels is about what TT'ed VQ37's put out at 6-7 psi. That's probably an unrealistic expectation for a centrifugal SC that builds up boost in a more linear fashion compared to twin-turbos that hit full boost much lower in the rpm range.

Its completely realistic with a centrifugal supercharger, the Vortech kits for the 350Z were making 440whp with 352 ft./lbs, our engine displaces more than the 3.5L, which leads me to believe that 350 ft./lbs is a very realistic number. I dont understand how we can have a larger engine and make less power with the supercharger. And BTW, this was using the same V-3 blower that Stillen is using.

Buddy Revell · 02-27-2010, 09:10 PM

Quote:

Originally Posted by Red370

Its completely realistic with a centrifugal supercharger, the Vortech kits for the 350Z were making 440whp with 352 ft./lbs, our engine displaces more than the 3.5L, which leads me to believe that 350 ft./lbs is a very realistic number. I dont understand how we can have a larger engine and make less power with the supercharger. And BTW, this was using the same V-3 blower that Stillen is using.

The numbers on Vortech's site are not to the wheels. Notice how they compare their numbers to the 350Z's factory bhp and torque ratings.
http://www.vortechsuperchargers.com/view.php?pcat=15

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