Preparation for the STILLEN supercharger

370Zsteve

OK, back on topic

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SOLD MY Z MARCH 2018 - another Core OG moves on - new ride 2019 Z Corvette Grand Sport - no mods necessary but already have eyes on HFC and intakes LOL IT NEVER ENDS.

fstrnldr

damn with all the new posts i was expecting to see some actual data on this ... but nope

Trips

If this threads get derailed by remarks bashing another member Please Report it. We don't need that in this thread.... Back on Topic

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Xan

Kyle did post a nice picture:

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roplusbee

If it's going to look like that, I may give it a shot. I am still leaning toward doing an NA build, but that is downright tempting. Can't wait for the actual numbers with a price.

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2007 350Z NISMO #0618: Zerolift | UPREV | F.I. | Greddy | Competition Clutch | Injector Dynamics | Aeromotive | Pioneer | JL

Trips

I have to agree it sure looks impressive, and will see how well it does.

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docaam

subscribing

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Old 370Z SOLD but not forgotten
370Z 40th, G37s, S30 RBZ, Hakosuka Skyline

1slow370

I have a question, how in the smurf do we remove the passenger manifold bolts and please dont tell me to use a really long box wrench.

StillenZ

Why ooh why do I spend so much time checking this thread... just keeps getting bumped and its killin me...

February 24th... Thats pretty damn close to the end of February, beginning of March.. if ya know what I'm sayin!

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Stillen Dual Exhaust / Stillen Gen 3 Intake / Stillen Headers / Eibach Pro-Kit / Euro Fog Lamp / 1000W JL Audio Amp / 2 - 12' JBL P1222's / Pioneer In-dash Nav

370Zsteve

Pricing? Pricing!

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SOLD MY Z MARCH 2018 - another Core OG moves on - new ride 2019 Z Corvette Grand Sport - no mods necessary but already have eyes on HFC and intakes LOL IT NEVER ENDS.

kdoske

Sorry, I couldn't help myself. How in the smurf, lol......

fstrnldr

its just too bad this is probably one of the few cases where "a picture is worth a 1000 words" isn't even close to true. Now maybe if it was a picture of a dyno chart with psi numbers, a/f, IC inlet outlet temps etc, then we would be getting some where. If i just wanted pretty pics there are a LOT better sites out there for that sort of thing.

370Zsteve

Speaking of pretty pics, when you lose the engine cover, it's one fugly engine. All hoses and wires and valves, feh.

Stillen, here's a marketing idea for you: A custom-designed engine cover that hides everything except the supercharger plenty of room for nice STILLEN logos, modders will eat it up.

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SOLD MY Z MARCH 2018 - another Core OG moves on - new ride 2019 Z Corvette Grand Sport - no mods necessary but already have eyes on HFC and intakes LOL IT NEVER ENDS.

Xan

Preparation for the STILLEN supercharger

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Kyle@STILLEN

We chose the Vortech centrifugal for a few reasons.

#1) Hood clearance- We built a supercharger for the 350Z and G35 that required a replacement hood. We found that this hurt sales and a lot of people did not want to be forced to change their hood. When we designed the kit we didn't think it would be a big deal because we all focus on performance before aesthetics. Because we learned that not very many people wanted to change their hoods on the 350's, we decided to stick with the centrifugal on the 370 and G37.

#2) We absolutely could have made an Eaton or Vortech top mount blower fit and to be honest, it would have been A LOT easier!!! But again, there would have been issues with hood clearance. If we went with the top mount supercharger we could have simply designed a hammerhead looking rear intake tube, retained the factory throttle body position, and designed a cast aluminum intake manifold with intercooler built in...Very similar design to our current offering for the VQ35. However, that system would have required a hood that is about 3-4 inches taller in order to clear the kit. It would have been a lot easier but we believe that the vast majority of people would not want to change their hood.

#3) Power potential, yes the new Vortech units are very nice and if you can fit an appropriately sized blower then you will have great power potential. However, fitting the appropriately sized blower would be the issue. Superchargers are designed for certain displacement motors. The smaller the motor, the smaller the blower. The larger the motor, the larger the blower. This is because the supercharger needs to be able to move enough air so that it can supply the engine with a sufficient amount of air. The Eaton roots supercharger system that we use on the VQ35 is designed for engines up to 3.5 liter displacement. It works very well up to about 8 psi. Anything more than that and it just can't move enough air. The next size up supercharger can move more air thus making more power, but its larger size means the hood bulge needs to be even bigger...The same would be true for the Vortech/lyscholm twin screw blowers.