2010 370Z NISMO Twin Turbo build courtesy of GTM

terrycs · 05-12-2010, 06:32 PM

Quote:

Originally Posted by Brazilbro

Is it the VVL that is limiting the tq. on our cars or what? I would think we could get closer the 400-425 wtq with close to 500whp. The GTM car (G37 I think) hit close to 500wtq with 10-11PSI. Is it the low PSI thast is limiting the TQ?

True ... raising the WHp will raise the torque at a given RPM:

Horsepower = (Torque*RPM) / 5252

But gearing has to be factored in. The HR/VHR may have a lower peak torque, but it will pull over a wider RPM range.

Trust me, 6-7 PSI will work fine for a daily driven HR/VHR. 10-11 PSI is on the high side for this motor ... you can always put in a boost controller for the rare occasions you run up against a "tough kill".

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