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Old 09-09-2013, 04:12 AM   #1
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Centri vs twinscrew

Are these 100% true facts or is it them just trying to sell their product? http://kennebell.net/KBWebsite/Commo...n-vs-boost.pdf
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Old 09-09-2013, 06:28 AM   #2
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If your asking if the KB makes instant boost anywhere in the rpm power band then the answer is yes it does!
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Old 09-09-2013, 01:05 PM   #3
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I mean i understand that but the way they talk about the centri's is they only peak at pretty much redline so you pretty much pay 4k for about 3 pounds of boost if its a street car. Now im wanting kb, I wanted a centri because it puts less stress in the engine but im not sacrificing and paying that much to never get to experience my boost. How loud is the whine on the 2.1 kb's?? From researching some say its extremely loud some say its extremely quiet. Lol
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Old 09-09-2013, 02:00 PM   #4
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Originally Posted by MidnightBlueGT View Post
I mean i understand that but the way they talk about the centri's is they only peak at pretty much redline so you pretty much pay 4k for about 3 pounds of boost if its a street car. Now im wanting kb, I wanted a centri because it puts less stress in the engine but im not sacrificing and paying that much to never get to experience my boost. How loud is the whine on the 2.1 kb's?? From researching some say its extremely loud some say its extremely quiet. Lol
I know the centri blowers kick I'm at 3k for coyote cars.... Personally I don't understand the argument that twin screw make power all over the powerband, why if I'm using the power would I need it under 3k rpm.
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Old 09-09-2013, 02:39 PM   #5
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Originally Posted by Redstang1 View Post

I know the centri blowers kick I'm at 3k for coyote cars.... Personally I don't understand the argument that twin screw make power all over the powerband, why if I'm using the power would I need it under 3k rpm.
IMO it's all preference, it's what you want out of the car, twin screws rock for street cars just for that reason , they make instant boost , so light to light or from a dig they fun cars, centri's take power to make power but make more power per# of boost awesome track setup! IMO it's all preference
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Old 09-09-2013, 03:03 PM   #6
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Originally Posted by MidnightBlueGT View Post
I mean i understand that but the way they talk about the centri's is they only peak at pretty much redline so you pretty much pay 4k for about 3 pounds of boost if its a street car. Now im wanting kb, I wanted a centri because it puts less stress in the engine but im not sacrificing and paying that much to never get to experience my boost. How loud is the whine on the 2.1 kb's?? From researching some say its extremely loud some say its extremely quiet. Lol
Centris can peak whenever you want them to. You can pulley them up and waste gate them for instant boost, just like turbos. Twin screws make instant boost and continue peak boost till redline. A centri will not cause as much wear and tear if you don't push them and there is a possibility to never see boost unless you want to. Twin screws don't have that option. My Kenny belle (2.3) whines very loud, but the newer versions are alot quiter. It's most of a whistle than a scream. But if you put a big open intake it will become alot louder.
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Old 09-09-2013, 04:15 PM   #7
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Ill be mainly street driving and just want more reliable power.
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Old 09-10-2013, 03:59 PM   #8
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Ill be mainly street driving and just want more reliable power.
Any way you go it will be a remarkable difference. Nothing beats the low end of the twin screw, but they make your car drink gas if you like the skinny pedal. I ran a procharger on my 98 and it got great gas mileage so long as I wasn't punching it. The lightning has a whipple and it drinks fuel like nothing. I'd be lucky to get 250 miles off a full tank
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Old 09-10-2013, 06:36 PM   #9
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I enjoy the twin screw more. I have a roots blower on the cobra and there's nothing quite like 500 ftlbs from 1000-7200 rpm's. Flat curve.
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