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Thread: blower wine

  1. #1
    Senior Member EXPERT BUILDER
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    blower wine

    will i get more blower wine from the 8mm or the 13.9mm pulleys/belts?was told the blower wine comes from the air between the pulley and belt. right or wrong?

  2. #2
    Senior Member RACING JUNKIE
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    Re: blower wine

    Quote Originally Posted by hotrodharley
    will i get more blower wine from the 8mm or the 13.9mm pulleys/belts?was told the blower wine comes from the air between the pulley and belt. right or wrong?
    Correct. It's the air escaping out of the teeth as they mesh together.

    14mm pulleys are cheaper as they are less used now. Most people have moved over to 8mm for a greater selection of ratios, and the newest Pro-Mod and Top Fuel stuff is 11mm, which is the best blend of ratios and strength.

    As for amount of whine... meh... I've had both, and they are both pretty close in volume.

    How tight you run the belt has a bigger impact on whine than anything. The guys with the most whine (for street driven) usually have belts you can play like a guitar string. Doing that is really dangerous because it pre-loads the crank snout pretty heavily. The snout will give before that belt will.

    If you want to reduce the amount of whine, you can drill 1/16" holes into the tooth valley on the pulley. It gives the air more places to escape and minimizes the whine sound.
    -WJ Birmingham

    OneBadGMC.com

  3. #3
    Senior Member RACING JUNKIE
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    Big time different combos... but...

    8mm pulleys, 2" wide belt - http://www.youtube.com/watch?v=LW-9NV0VDMQ

    14mm pulleys, 3" wide belt - http://www.youtube.com/watch?v=4Gm2d0s409U

    I'd say the 8mm is more of a whistle, where the 14mm is more of a scream.
    -WJ Birmingham

    OneBadGMC.com

  4. #4
    Senior Member DYNO OPERATOR
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    dude, is that wall still there at gateway,brake a axle and head frist in the wall
    Full Time Racing,WASTED $$ division

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  5. #5
    Senior Member RACING JUNKIE
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    I am courious,

    What type of blower do you have?

  6. #6
    Senior Member RACING JUNKIE
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    The wall is long gone. That was when Gateway ran North to South. When they changed the facilities, it now runs South to North.

    As for blower...

    The 8mm belt was a B&M Powercharger 250. Was my first blower back in 1992.

    The 14mm belt in that video was a Mooneyham 10-71 (18 strips), which has since been replaced by an SSI 14-71 B-Rotor with 30 strips.
    -WJ Birmingham

    OneBadGMC.com

  7. #7
    Senior Member EXPERT BUILDER
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    Quote Originally Posted by ashbros
    I am courious,

    What type of blower do you have?
    A 12-71 LITTLEFIELD[OLDDER ONE]

  8. #8
    Senior Member DYNO OPERATOR
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    My guess is that if you had more cheese, you will get more whine.



    Sorry, couldn't help it, haha.

  9. #9
    Administrator RACING JUNKIE bjuice's Avatar
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    Quote Originally Posted by OneBadGMC
    Big time different combos... but...

    8mm pulleys, 2" wide belt - http://www.youtube.com/watch?v=LW-9NV0VDMQ

    14mm pulleys, 3" wide belt - http://www.youtube.com/watch?v=4Gm2d0s409U

    I'd say the 8mm is more of a whistle, where the 14mm is more of a scream.

    watched the 14mm video,,said your foot slipped off ???....do you not run a Boxed in style type of Toe lift ? :roll:
    Bjuice..

    "I'M YOUR HUCKLEBERRY ! "

  10. #10
    Senior Member RACING JUNKIE
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    Quote Originally Posted by bjuice
    Quote Originally Posted by OneBadGMC
    Big time different combos... but...

    8mm pulleys, 2" wide belt - http://www.youtube.com/watch?v=LW-9NV0VDMQ

    14mm pulleys, 3" wide belt - http://www.youtube.com/watch?v=4Gm2d0s409U

    I'd say the 8mm is more of a whistle, where the 14mm is more of a scream.

    watched the 14mm video,,said your foot slipped off ???....do you not run a Boxed in style type of Toe lift ? :roll:
    Newp. Only had that issue once in 12 years.
    -WJ Birmingham

    OneBadGMC.com


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