AutoVation said:This is true up to a certain point. It is roughly $2k-$4k cheaper to upgrade an Rx-7, 300ZXTT, or Supra TT up to 350-425rwhp than it is to upgrade an NSX to those levels. However, for power levels above that, the prices are remarkably similar. In the stock turbo cars, you need to buy all new injectors, bigger turbos, and bigger intercoolers to get above those levels anyway. The only difference is with the NSX, you need to do all these upgrades AT ONCE, not in stages.
-Tony
'91 NSX (All stock except 17" Blitz Type 03's)
'93 TTZ (502rwhp @ 22psi)
P.S. When launching at a drag strip, Car & Driver said to launch the NSX at 4000rpm with the TCS "off" while dumping the clutch. I wouldn't dump the clutch on my NSX but it is what they recommended.
I don't know where you shop, but my friend has a tt supra, it cost him under 2 grand total to hit 408 RWHP. To hit that in an nsx you need minimum a supercharger, and more likely than not, headers, exhaust, intake etc depending on the brand of supercharger.... and at that point, you are most likely in excess of 10k for SC or turbo alone, not to mention exhaust, etc..
anything above that, and you have to build the engine up, iirc... an additional 10k?