Stillen Supercharger Kit

From Nissan 350Z & 370Z Wiki

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Optional polished blower

The supercharger comes in three Stages and as either polished or un-polished versions for each stage so there are multiple prices. The Stillen website only shows Polished for the Stage 2 - but - the only difference (meaning major diff not plumbing and such) between the Stage 1 and Stage 2 is the Intercooler. The only difference between Stage 2 and Stage 3 is the addition of a Higher Boost Pulley (MSRP: $99.00 - Stillen $89.00)

Twin Screw Design
This is the same unit employed by O.E. manufacturers such as Jaguar, Mercedes, Ford, General Motors, Toyota, Nissan and others. We chose it for the same reasons they did - excellent peak power coupled with superior low end and midrange. Check the comparison dyno chart - as you leave idle the Stillen blower is making gobs of power and torque before the centrifugals and turbos spool up. On the street or track, this is a faster and more user friendly system. Maintenance is minimal.

1 Kit Overview
2 Stages
3 Notes
- 3.1 Belts
- 3.2 Strut bar
4 Images
5 Resources

Kit Overview

Manufacturer	Stillen
List Price	$3,995-$5,795
Found Price	$$3,795-$5,328
Application	2003-2005 350Z
Base PSI	6-7
Base Power	adds 70-100hp
Base Torque
Compressor	"Roots" type lobed, the same unit employed by O.E. manufacturers such as Jaguar, Mercedes, Ford, General Motors, Toyota, Nissan and others. Sits on top of the engine.
Intercooler	included in stages 2,3,4
Piping
Fuel	The Stillen supercharger is supplied to you or your installer fully tuned. Fuel is supplied via a 7th injector that is mounted in the inlet tube. It is regulated via a electronic unit that is factory set for your vehicle. This also modifies the timing map to optimize it for the supercharged engine.
EMU
Air Filter	OEM Airbox
Blow Off Valve	none

Stages

Stage 1

Base horsepower increase: Flywheel - 82 hp / Wheel - 67 hp
Optional 3 year/26,000 mile engine warranty
Base boost pressure: 6psi

Stage 2

Base horsepower increase: Flywheel - 95 hp / Wheel - 75 hp
Optional 3 year/26,000 mile engine warranty
CARB legal
Adds Intercooler

Stage 3

Base horsepower increase: Flywheel - 123 hp / Wheel - 101 hp
Adds high boost pulley (7psi)

Stage 4

Base horsepower increase: Flywheel - xxx hp / Wheel - xxx hp

Notes

Install time: 12hours
This Supercharger kit requires that you replace the stock spark plugs with plugs that are 1 heat range colder.
The supercharger is covered by its own 12 month warantee.
Available in polished finish.
Requires a hood modification or new hood.
The Stillen supercharger is supplied to you or your installer fully tuned. Fuel is supplied via a 7th injector that is mounted in the inlet tube. It is regulated via a electronic unit that is factory set for your vehicle. This also modifies the timing map to optimize it for the supercharged engine.
50 State legal

Belts

As you all know the life of the 4-rib belt of the stillen blower sucks. it can last anywhere from 2K miles to 8K miles depending on your driving and on heat and belt condition. this problem is evident in stage 4 because more load is put on the 4-rib belt. Stillen came up with a 6-rib pulley belt system that solves the peroblem. However, if you want to stay with your 4-rib belt, i found (from the local gates belts dealer over here) the new series of gates MicroV belts called the XFMicroV (XF = extra force) they come from europe. i am not sure if you have them in the US. I am using them now and the difference is amazing: doube life. i am on my first XF belt and have been flooring the crap out of my car for few months now and not even a crack. so far i can say that the XF has a lifetime double than the regular gates. The size in european metric units is 4PK560 (560mm)

Strut bar

The Stillen supercharger doesn't leave any space for stock strut tower bar, so you may want to purchase Stillen strut tower bar, which can be equipped with their supercharger.

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