Vortech HO kit Dyno Graph!
5th Gear Member
Joined: Dec 2006
Posts: 4,552
From: Redding, CA
RE: Vortech HO kit Dyno Graph!
ORIGINAL: lieu910
It was a rhetorical question really. There is no better - just "different".
ORIGINAL: Simon1
The point of the twin screw is it produces more torque down low so you get off the line quicker. If you are able to keep traction. Basically you will be at full boost at just above 2000 rpm's. This is why all the manufactures who put S/C's on their vehicles use twin screws (or roots type, all though not as popular I believe as the TS), it translates into more drivability.
It starts a big arguement and we will forever have a debate on which is better. It all depends on what people are wanting out of their car. I kind of like the idea of a centrifugal with little boost below 3,000 rpms for gas mileage and such. But the power is always there if you need it.
ORIGINAL: lieu910
What will more power down lownet you? Certainly won't make you faster.
ORIGINAL: GrabberOrange07
Good numbers out of the box. Thanks for posting the dyno numbers. It helps people like me looking to get a supercharger with info. Not bashing, but looks like I'm back to getting a Whippleagain. I think I want more power lower in the RPM range.
Good numbers out of the box. Thanks for posting the dyno numbers. It helps people like me looking to get a supercharger with info. Not bashing, but looks like I'm back to getting a Whippleagain. I think I want more power lower in the RPM range.
It starts a big arguement and we will forever have a debate on which is better. It all depends on what people are wanting out of their car. I kind of like the idea of a centrifugal with little boost below 3,000 rpms for gas mileage and such. But the power is always there if you need it.
3rd Gear Member
Joined: Jul 2005
Posts: 556
RE: Vortech HO kit Dyno Graph!
ORIGINAL: Scotte28516
And still making less than a twin screw!
ORIGINAL: lieu910
Simple: When you take that car down the 1/4 mile your RPMs should never be anywhere close to the 3,500 RPM range. You will more likely be in the 4,500-6,000+ range. Right where a centri blower is making the most power.
ORIGINAL: GrabberOrange07
Lieu910, if I'm pushing 75 more horsepower already at3500 rpm's and goobs more torque, how could it not make the car faster?
Lieu910, if I'm pushing 75 more horsepower already at3500 rpm's and goobs more torque, how could it not make the car faster?
Thread Starter
2nd Gear Member
Joined: Jan 2006
Posts: 294
From: FLORIDA
RE: Vortech HO kit Dyno Graph!
Does anyone know or can confirm that when you near your rev limit the car will start to pull timing or fuel to cut back on power? I would like to know so I know why my car fell after 5,800 rpms. Thanks guys.
I ♥ Acer
Joined: Aug 2006
Posts: 1,527
From:
RE: Vortech HO kit Dyno Graph!
YES. The stock limiter is set for 6200 rpm. The CPU starts pulling timing in between 5800-5900. Think of it as a split second of 'softening the blow' of the rev limiter kicking in.
Now with a Centrfigual blower like the Vortech, you make your power in rpm. The higher the rpm, the more boost it makes - simple. You will see a nice difference in the car by simply upping your rev limiter to 6800-7000 rpm and making your shifts around 6400-6500. You might see a full 1 psi increase just with that.
Now with a Centrfigual blower like the Vortech, you make your power in rpm. The higher the rpm, the more boost it makes - simple. You will see a nice difference in the car by simply upping your rev limiter to 6800-7000 rpm and making your shifts around 6400-6500. You might see a full 1 psi increase just with that.
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