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Thread: Kenne Bell Supercharged Marauder

  1. #16
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    Here is some info, makes worthwhile reading:TWIN_VS_ROOTS
    Smokie
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  2. #17
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    I just took a peek at the Kenne Bell propaganda... Why were all the tests run at 12000 RPM?? How about a more realistic test of, say, 6000-7000 RPM?

    Could it be that the results were not all that different at real-world speeds?

    Makes you think, eh?

    John

  3. #18
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    Quote Originally Posted by TooManyFords
    I just took a peek at the Kenne Bell propaganda... Why were all the tests run at 12000 RPM?? How about a more realistic test of, say, 6000-7000 RPM?

    Could it be that the results were not all that different at real-world speeds?

    Makes you think, eh?

    John
    John that's 12,000 blower rpms. The usual ratio between crank and blower pulley is 3 to 1, so the engine is doing about 4k, we do that at WOT.
    Last edited by Smokie; 04-21-2006 at 07:13 AM.
    Smokie
    12.79 @ 107 mph.
    60' 1.851 Street tires & Stock wheels.
    TIMESLIPS
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    Visit my Garage
    Florida "The Supercharged State"


  4. #19
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    Ah... I see. That's why my GMC 6-71 runs so much cooler because it is run 10% underdriven from the crank. I wonder if KB tested against mine?

    John

  5. #20
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    My random .02C...

    Want to know why the engine bay look like *****? Look in the background of the pics. Colorado. Horse Ranch? Hell, look at the dust bowl next to the car.

    If a twin screw isn't superior to a Roots, why are so many Cobra and Lightning owners upgrading to twin screw kits? How can there be an upgrad kit, without it being even slightly better? Isn't it like a 70-80 RWHP gain?

  6. #21
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    Quote Originally Posted by Breadfan
    The twin-screw looks like a very efficient design. I still would want an intercooler on any boosted applicaton - if you're going as far as putting a blower on, might as well take the extra few steps to intercool it.
    Go you one better...Anytime I can add chilled air to any application, supercharged, or, not, I'm in.

  7. #22
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    Quote Originally Posted by SergntMac
    Go you one better...Anytime I can add chilled air to any application, supercharged, or, not, I'm in.
    True! Cooler intake are = denser intake charge = good.

    As for the twin-screw, from what I have read the twin screw IS a more efficient design. I've also heard Kenne Belle has a lock on the specific blower they use - I heard only they can sell it. Aside from that I think Whipple is the only other maker of a twin screw.

    Is that true or just rumor mill?
    Trilogy #112 (self installed)

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    12.99@106.2mph (for now)

  8. #23
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    Bolt a Kenne Bell to a Cobra with an exhaust system and you make 600 to the wheels. And you can do it with a mail order tune.
    Guess Kenne Bells fit under the hood.

  9. #24
    bigslim Guest
    Quote Originally Posted by Breadfan
    True! Cooler intake are = denser intake charge = good.

    As for the twin-screw, from what I have read the twin screw IS a more efficient design. I've also heard Kenne Belle has a lock on the specific blower they use - I heard only they can sell it. Aside from that I think Whipple is the only other maker of a twin screw.

    Is that true or just rumor mill?
    Lyshom makes twin screw blowers.

  10. #25
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    Lets say Jerry Barnes or MikesMerc were to bolt a Kenne Bell on their car in place of the Eaton.
    They could throw their Nitrous in the trash and run 10's.
    For about 3500 bucks, that is the route Id be going.

  11. #26
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    Quote Originally Posted by Zack
    Lets say Jerry Barnes or MikesMerc were to bolt a Kenne Bell on their car in place of the Eaton.
    They could throw their Nitrous in the trash and run 10's.
    For about 3500 bucks, that is the route Id be going.
    At what boost level?

    11.98 @ 115 mph
    "Comfort, Class and Hair on Fire Performance."

  12. #27
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    Quote Originally Posted by DEFYANT
    At what boost level?
    They have forged motors, Id throw 20 pounds at it.

  13. #28
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    There is an '03 Cobra at our local track that is running a KB with about 22 psi and his car ran a 9.002 on nitto drag radials. The car looked absolutely stock on the outside and that was just with the KB kit.

    That car FLEW!

    john

  14. #29
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    Quote Originally Posted by Smokie
    Here is some info, makes worthwhile reading:TWIN_VS_ROOTS
    Good read, thanks for the link.

    I "remember" (probably from a dream) hearing Jerry say something about Trilogy working on a twin screw design. If that came out I would probably have to spend the money (assuming it was affordable). I am not out to set any records but it appears to be a very efficient way to provide 7 to 10 psi of boost to an otherwise stock engine.

    jta

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  15. #30
    bigslim Guest
    Quote Originally Posted by GarageMahal
    Good read, thanks for the link.

    I "remember" (probably from a dream) hearing Jerry say something about Trilogy working on a twin screw design. If that came out I would probably have to spend the money (assuming it was affordable). I am not out to set any records but it appears to be a very efficient way to provide 7 to 10 psi of boost to an otherwise stock engine.

    jta
    Jerry will be offering a twin screw later.

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