[ghostdog]

Anyone had a custom Cam made yet and how does Kenne Bell supercharger compare to the Procharger system . I hope someone can
list the pros and cons of each unit for me

[trueballerisme]

lol the debate for s/c vs. turbo is complitly opinion. profesionals debate this constantly. either way u cant go wrong. jus look into it more and find out which one is for u. but i dont know about the cam

[FireryDriver]

All I'm gonna add is superchargers don't have the lag that most turbos do. Turbos have more high end power. If you want that cool hissing noise when you shift get the turbo. If you want power consistantly through the entire rpm band go supercharger, I've head that the novi 2200 s/c is a great set up

[WAVEBYE]

this is not opinion its facts backed by logical physics.
i learned the hard way by getting a procharger and now i'm going TT.
http://www.turbochargedpower.com/Tur...%20Blowers.htm

http://www.turbochargedpower.com/FAQ.htm

[ChrisJ]

Where the f*ck did turbos come into this convo?

Kenne Bell = Twin Screw Supercharger - a positive displacement compressor
The twin screw supercharger is a positive displacement air mover, in that it moves fixed amounts of air per revolution, like the roots type blower. Unlike the roots however, which is only an air delivery system, the twin screw supercharger is also a compressor. The counter rotating lobes and chambers of the twin screw are designed for a screw-like tapering effect which runs its intake air into a smaller space for output, thus compressing it. The rotors have very close tolerances yet never touch. Compressed air is delivered into the compression environment of the intake manifold with very little leakage or energy loss.

Because of the increased mechanical efficiencies of the superior design, the output air temperatures of the twin screw positive displacement supercharger are radically improved from the roots type. The Whipple twin screw quotes adiabatic efficiency of 70%-80% range across the whole powerband.

As with the roots, since the supercharger is under continual drive, and since it delivers boost practically from idle, overboosting is prevented by the use of an intake bypass system, which allows the engine to breathe normally at cruising or idle: the bypass closes on throttle use, delivering full boost.

Full boost by 2000 rpm
The twin screw supercharger creates boost the instant the throttle is touched, and generally reaches full boost by 2000 to 2400 rpm. Full boost is then available all the way to redline. A positive displacement compressor is ideal for street performance cars or trucks and suv's, and automatic transmissions.

Vehicles used for towing remain very responsive with positive control using this type of supercharger. The instant torque for accelerating, passing, and hill-climbing diminishes the strain on the engine and increases the safety factor. The twin screw compressor is especially useful at high altitude, where physics dictates that all engines lose power, and where our American geography dictates we often take the family vehicle on vacation towing a trailer in heavy traffic.

The twin screw supercharger is essentially silent, producing discernible sound no greater than whisper strength. It has a low profile and generally requires no hood modification. Of all the forced induction systems, the twin screw compressor supercharger is the most obvious for the bootlegger's car, the sleeper, and this is timely in an age where supercharging is no longer just for speed enthusiasts, but for all drivers who have needs for extra power and performance during fairly standard driving conditions.


Procharger = Centrfirgal Supercharger - aim for max boost at the high end
A centrifugal supercharger is basically the same type of pump as the compressor side of a turbocharger, but is mechanically driven off the crankshaft instead of by exhaust gas. Internal gearing steps up the spin speed, and gives a distinctive whistling sound, that most drivers enjoy hearing, but the centrifugal supercharger must be classified as noisy.

The centrifugal's type of compressor - like the turbo's - is efficient only at high rpm. Because all superchargers by definition are under continual drive from the crank (i.e. with no comparable turbocharger wastegate system to cut the drive), design decisions set the limits to how much internally to gear-up (overdrive) the spooling: the centrifugal aims for high-end boost and in consequence gives almost none at low rpm.

Centrifugal superchargers build boost relative to engine rpm: boost builds exponentially in the upper half of the powerband - generally they start boosting around 2000 to 3000 rpm, and attain full boost at max rpm - i.e. the quoted maximum boost of a centrifugal happens at redline.

Enthusiasts say that in situations where they demand performance from their vehicle, they spend most time in the mid to high rpm ranges.

Best applications of centrifugals
The centrifugal is good for lightweight, manual transmission (downshift for higher rpm) vehicles, and popular with muscle cars that have plenty of low-end torque already, but not so good for heavier vehicles under load or towing, or automatic transmissions - in these cases a positive displacement supercharger is more suitable (see our Roots Superchargers page and our Twin Screw Supercharger page).

Centrifugal superchargers are generally cooler than turbochargers, with adiabatic efficiencies in the 60-80% range (see our Supercharger Heat page for more about heating and cooling of forced induction systems).

All superchargers generally are less complex to mount than turbos. As aftermarket modifications superchargers tend to be cheaper to install and generally cost less to service and maintain.

[FireryDriver]

wow I have learned quite abit from this post. Thanks chris

[WAVEBYE]

Originally Posted by ChrisJ Where the f*ck did turbos come into this convo?

if you'll look ye shall find.

Originally Posted by trueballerisme lol the debate for s/c vs. turbo is complitly opinion.

Originally Posted by FireryDriver All I'm gonna add is superchargers don't have the lag that most turbos do. Turbos have more high end power.

[WAVEBYE]

all i'm saying is do your homework,compare the facts,and listen to ppl who have had experience. i've been the s/c route and now i wish i would've gone turbo in the first place. it woulda saved me alot of downtime and money. i guess thats why there are so many turbo street stangs poppin up that are makin 500-900+hp and still being driven on the street.

but hey what do i know.

[ChrisJ]

Originally Posted by ghostdog Anyone had a custom Cam made yet and how does Kenne Bell supercharger compare to the Procharger system . I hope someone can list the pros and cons of each unit for me

Dont see anything about a turbo in the thread starters question...

[FireryDriver]

I think true baller thought the procharger was a turbo...

[ChrisJ]

ah ok...that expains it...

[FireryDriver]

chris do you know where I can get a 4.10 gears install kit for a good price?

[ChrisJ]

www.americanmuscle.com

They are a vendor here now...Check out the vendors section...