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Thread: Clutches?

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  1. #1
    Senior Member Phx99Cobra's Avatar
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    Clutches?

    What does everyone think about spec stage two clutches? What other clutches do you recommend for street/strip use? Will be on slicks on the track.
    Last edited by Phx99Cobra; 05-16-07 at 03:38 PM. Reason: spelling
    jlt cai, o/r bassani x-pipe,magna pack cat back, tri-ax, sct tune by keith @ az dyno chip, solid axle w/ 4.10 gears
    Best time...12.797 @ 108.5 mph w/ 1.76 60ft
    New Best Time....12.3911 @ 106.3 w/ 1.589 60ft
    SOLD

    New Toy - 2003 GT stroker, procharger and to much other s**t to list ***SOLD***

  2. #2
    Administrator BurnTire's Avatar
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    Spec 3+ is what a bunch of the 03/04 cobra guys use. I use the Ram Power Grip HD.
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    2004 Cobra, Whipple ,TH-400
    Burning Corn
    9.97 - 135.5

  3. #3
    Senior Member Phx99Cobra's Avatar
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    How is the life of your clutch? Mileage you can expect out of a hd clutch?
    jlt cai, o/r bassani x-pipe,magna pack cat back, tri-ax, sct tune by keith @ az dyno chip, solid axle w/ 4.10 gears
    Best time...12.797 @ 108.5 mph w/ 1.76 60ft
    New Best Time....12.3911 @ 106.3 w/ 1.589 60ft
    SOLD

    New Toy - 2003 GT stroker, procharger and to much other s**t to list ***SOLD***

  4. #4
    Administrator BurnTire's Avatar
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    Quote Originally Posted by Phx99Cobra View Post
    How is the life of your clutch? Mileage you can expect out of a hd clutch?
    My car is 600+ RWHP and I launch pretty hard on stickey tires at the track so I would be hard to compare. I have about 1000 miles on the clutch and it still holds well, but I have had some wear based on having to make adjustments. RAM recommends that the Power Grip HD be used on a steel flywheel. When this clutch goes I am going to a Spec 5.

    How much power does you car make?
    Sold
    2004 Cobra, Whipple ,TH-400
    Burning Corn
    9.97 - 135.5

  5. #5
    Senior Member Phx99Cobra's Avatar
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    Its a 99 and before exhaust it made 276rwhp. Plans are longtubes, gears, and ud pullies
    jlt cai, o/r bassani x-pipe,magna pack cat back, tri-ax, sct tune by keith @ az dyno chip, solid axle w/ 4.10 gears
    Best time...12.797 @ 108.5 mph w/ 1.76 60ft
    New Best Time....12.3911 @ 106.3 w/ 1.589 60ft
    SOLD

    New Toy - 2003 GT stroker, procharger and to much other s**t to list ***SOLD***

  6. #6
    Administrator BurnTire's Avatar
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    Quote Originally Posted by Phx99Cobra View Post
    Its a 99 and before exhaust it made 276rwhp. Plans are longtubes, gears, and ud pullies

    The RAM Powergrip HD is too aggressive for that setup.

    The Spec 3 or 3+ would be a good choice for your setup.

    One thing you want to keep in mind is you may be some chatter.
    Sold
    2004 Cobra, Whipple ,TH-400
    Burning Corn
    9.97 - 135.5

  7. #7
    Senior Member vicious781's Avatar
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    I love my RAM too! Good info out there. I would definitely recommend firewall adjuster and quadrant as well. Get everything all at once and save yourself the headache. Aftermarket clutch cables suck though! Had one pretty much snap on me. Stock is the strongest for some reason.

  8. #8
    Senior Member 5.0Stanger's Avatar
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    Ok, so what's the power level that the stock clutch becomes inconsistent. My car is still at near stock power. No signs of slippage, on the street.
    '03 Cobra - Mildly modded. A work in progress. 12.566 @ 110.755, 1.89 60' on street tires
    '93 Notch - Looks faster than it is.
    '72 F100 4x4 - Dormant, for now.
    Race '99 L - 12.40 @ 110


  9. #9
    Administrator BurnTire's Avatar
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    Quote Originally Posted by 5.0Stanger View Post
    Ok, so what's the power level that the stock clutch becomes inconsistent. My car is still at near stock power. No signs of slippage, on the street.
    I ran 11.8 @ 119 on the stock clutch. That was around 470 RWHP.

    It started to slip the moment the whipple went on.
    Sold
    2004 Cobra, Whipple ,TH-400
    Burning Corn
    9.97 - 135.5

  10. #10
    Senior Member Ruckus46gt's Avatar
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    tumas clutch set up and go with a alum flywheel while your at it.
    the tumas clutch set up is sold at the shop he owns you know had the fastest stock 4v. anyways its a mcleod kevlar disc with the a frpp heavy duty pressure plate

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