Here is my result on Dynapack dynamometer. I live in Sweden and bought DNA Supercharger last summer, built it in this Winter and are on a testday this friday.
I have ReAmemiya spark plugg wires and header and Turbo X exhaustsystem for race. Engine is stock and in good condition. All results on the rear axle. Pressure in PSI.
We are 2 guys driving Rx-8 with DNA Supersharger and both of us are happy with the results.

Starting- point engine - power. 148 HP and 148.3 Nm.

 

good LORD! FanTASTIC!

Get vids!! and PICS! :D

 

Very Nice!

Question: In the second pic, is that the manifold pressure in PSI Gauge? It says absolute, but the numbers look like gauge pressure relative to ambient, that would put you at 10 psi peak without really topping out your boost any. Is the lamba value the O2 sensor voltage? It looks tuned well. Give us pics of the engine bay!!

 

where did you get it from?
and pics and more info please!

We Euro dwellers are preciously short of info! good luck..it sounds good so far

 

wow 326?!?!

 

that is far from terrible.....

 

As is to be expected with a centrifugal supercharger, torque rises all the way to redline rather than staying flat.

 

Hot chicks AND super chargers? Now, that's hardly fair.

 

maxx i thought you would have broken down and gone FI by now....or are the choices getting too plentiful for you?

 

I had a slight kitchen appliance delay. I have a collection of parts amassing at my house.

 

That's awesome. Must have pics and video!

-Cody

 

Any way you can post a graph of HP and tq in ftlbs for us knuckle draggers in the states?

 

Who is the other guy?

 

put my stock dyno (whp on dyno dynamics dyno) in for a comparison .

Not sure if the two dynos are similar but if so it shows a noticeable drop in power early in the rev range . Do you feel this in reality Lennart ?

 

279.5 N-m is something like 206.5 ft-lbs. Divide by 9.81, divide by 2.21, and mutliply by 3.28.

The powere loss might just be them easing into the throttle.

 

You will always lose low end power with a centrifugal supercharger. They don't make any boost down there and if you ever get a chance to spin one over by hand sometime you'll quickly realize that an a/c compressor is easy to spin by comparison.

 

I'm confused. I think you meant to write "axle" not "axis", but the screen clearly shows estimated measurements at the flywheel. Which is it?

 

What is the "manifold pressure" on graph 2 then as it starts positive and runs till a touch over 10? These graphs are wacky.

 

It's hard to tell. Looking at the horsepower number overlayed with the stock RX-8 dyno, you can see that the stock engine makes more power up until 4500 rpm until the supercharger finally starts to take off.

 

^if you drop at 4k rpm or greater, would you even notice it? seems like that sucker would be monstrous.

 

Most of your daily driving is under 4500 rpm. You'll lose gas mileage like crazy. I've never been a fan of centrifugal superchargers so admittedly I am biased against them. The dynos show why though. Performance is not about peak horsepower. Average horsepower is faster and centrifugals don't have nearly as much average horsepower as the peak would imply. I'd personally rather sacrifice 30 peak horsepower to get a wider and stronger average powerband. I guarantee it would be faster.

 

Lennart, thanks for sharing .. Very interesting... I wonder what the potential of this unit is.
pulls all the way to redline... interesting... Thanks again, any photos or videos would be very much appreciated...

 

The lamba value is the O2 sensor voltage.

 

Some pixs of the car.

 

Engine!!