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Preparation for the STILLEN supercharger

So Stillen, how close are we to seeing pictures?

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Old 01-21-2010, 06:39 PM   #1 (permalink)
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So Stillen, how close are we to seeing pictures?
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Old 01-21-2010, 06:49 PM   #2 (permalink)
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So Stillen, how close are we to seeing pictures?
90-120 days..











or a LOT sooner.. Very soon actually..
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Old 01-22-2010, 03:38 AM   #3 (permalink)
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90-120 days..











or a LOT sooner.. Very soon actually..
wow the anticipation is gonna kill me... lol
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Old 01-22-2010, 08:37 AM   #4 (permalink)
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90-120 days..











or a LOT sooner.. Very soon actually..
I'll be glued to your blog for the next week. My girlfriend is going to hate me.
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Old 01-22-2010, 09:27 AM   #5 (permalink)
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Guys boost is boost no matter if its from a supercharger or a turbo.... If another kit is putting down 450-500 @ 6-9psi thats what the stillen will do... the only differences that I know of is when the boost comes on... Turbo= for the most part all at once somewhere in the rpm band... Supercharger linear gains boost with rpm

There are other factors in there that effect efficiency but for the most part I think it will put the same HP down as the TT's that are out now as long as the psi is the same, peak HP should be the same. Torque will be different though....
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Old 01-22-2010, 10:15 AM   #6 (permalink)
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Guys boost is boost no matter if its from a supercharger or a turbo.... If another kit is putting down 450-500 @ 6-9psi thats what the stillen will do... the only differences that I know of is when the boost comes on... Turbo= for the most part all at once somewhere in the rpm band... Supercharger linear gains boost with rpm

There are other factors in there that effect efficiency but for the most part I think it will put the same HP down as the TT's that are out now as long as the psi is the same, peak HP should be the same. Torque will be different though....
This is not entirely true. Superchargers require work input from the engine
to spin. This extra work required by the supercharger does consume horsepower. As an example, a turbo at 6 psi might produce 450 whp whereas a supercharger at 6 psi might produce 430 whp.

The only way a supercharger would produce the same power at the same level of boost is to run it off of a completely isolated and powered motor, thus bypassing the horsepower robbing work required by a supercharger to work.
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Old 01-22-2010, 06:16 PM   #7 (permalink)
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Quote:
Originally Posted by Zguy View Post
Guys boost is boost no matter if its from a supercharger or a turbo.... If another kit is putting down 450-500 @ 6-9psi thats what the stillen will do... the only differences that I know of is when the boost comes on... Turbo= for the most part all at once somewhere in the rpm band... Supercharger linear gains boost with rpm

There are other factors in there that effect efficiency but for the most part I think it will put the same HP down as the TT's that are out now as long as the psi is the same, peak HP should be the same. Torque will be different though....
Boost is not boost. Look into lbs per minute. You can have the same psi but the one that flows more air will make more power.
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Old 01-22-2010, 07:25 PM   #8 (permalink)
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Quote:
Originally Posted by Zguy View Post
Guys boost is boost no matter if its from a supercharger or a turbo.... If another kit is putting down 450-500 @ 6-9psi thats what the stillen will do... the only differences that I know of is when the boost comes on... Turbo= for the most part all at once somewhere in the rpm band... Supercharger linear gains boost with rpm

There are other factors in there that effect efficiency but for the most part I think it will put the same HP down as the TT's that are out now as long as the psi is the same, peak HP should be the same. Torque will be different though....
I disagree. Noticeable differences in power can be seen at the same boost due to the size, volumetric efficiency, trim, etc. of the specific turbo or centrifugal SC used.
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Old 01-21-2010, 11:44 PM   #9 (permalink)
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The anticipation for this kit is so much, that as soon as the numbers and sale price come out, i'll instantaneously wet and crap myself, and maybe have a stroke. I'd be plenty happy with 400whp for daily driven and the occasional track day.
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Old 01-22-2010, 02:37 AM   #10 (permalink)
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My prediction: 410-420 to the wheels @ 6 psi.
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Old 01-22-2010, 07:11 AM   #11 (permalink)
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I fell that at 6 LBs. boost it will make 355 to 365 RWHP. About a 100 over base line .
16.6 rwhp per 1 lb of boost on a 370 z with a 7 AT.
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Old 01-22-2010, 07:23 AM   #12 (permalink)
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I would love to see stable 400whp with this kit.
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Old 01-22-2010, 11:00 AM   #13 (permalink)
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It also takes some horsepower to spin the turbo. There is no free lunch.
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Old 01-22-2010, 11:05 AM   #14 (permalink)
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It also takes some horsepower to spin the turbo. There is no free lunch.
I fail to see this. The turbo requires no work from the engine to spin.

I'm just going to stop here before a supercharger vs turbo debate explodes.
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Old 01-22-2010, 11:14 AM   #15 (permalink)
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I fail to see this. The turbo requires no work from the engine to spin.
So if you turn the engine off does the turbo still spin?
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