01-04-2017, 11:57 PM
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#11 (permalink)
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A True Z Fanatic
Join Date: May 2016
Location: Calgary
Posts: 3,799
Drives: 16 370z
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Quote:
Originally Posted by MoulaZ
I can also see W2A viable for someone who just treats it as a street car, with the occasional hard boot in it every now and then. But yeah, if you wanna track your car or do more than 1 good drag run every 20 mins W2A seems immediately unviable.
I believe Stillen make you sign a waiver because they're aware of just how little cooling capacity the W2A system is capable of, in addition to the whole CARB thing. We see plenty of Turbo kits putting down more power than SC guys, and those seem reasonably reliable, if not intentionally pushing the envelope for some obscence power figure.
Up until recently, I couldn't understand why SC kits were just putting out lower numbers compared to Turbo kits, but if that conclusion I've come to above is really all the reason, heat, then provided you tackle that issue should we be able to match the Turbo guys? Compressed Air is Compressed Air, whether it comes from a Turbo, or Supercharger. Comes down to CFM & Temp, we have the CFM, now it's Temp we have to figure out an effective control. Your kit goes a LONG way to doing that, and keeping it reasonably reliable.
Cheers,
MoulaZ
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Supercharger rely on the crank to turn them and provide power. This takes power and lots of it. Parasitic loss of a supercharger like the V3 is probably in the neighbourhood of 80hp just to crank that blower over.
Turbos basically use exhaust gas, eliminating that parasitic loss from the drivetrain. It's like a free 80hp by comparison.
In a nutshell there is your instant difference between the two, and why supercharger tend to put out less than their turbo brethren. And as far as supercharger go th V3 is more efficient than most of the other types at 78%.
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