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  1. 10-13-2010, 07:09 PM #1
    Rk ws6
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    Red
    2001 ws6

    Correct pinion angle tunnel mount torque arm

    correct pinion angle is from -1 to -3 at maximum that means the rears pointed down and so is the drive shaft so upon load the drive shaft rolls and your driveline is in a perfect straight line... am i right... lol

    maybe i just need the stronger driveshaft i just ordered...

    or the adjustment is still wrong..

    somebody help lol i need advice
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  2. 10-13-2010, 07:14 PM #2
    Mr. Luos
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    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    How is it grabbing at launch?
    Too much normally creates hop.
    Too little normally creates spin.

    http://www.ssz28.com/tech/Pinionangle.html

    Broken DS's are from weak DS's or REALLY extreme angles.
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  3. 10-13-2010, 07:17 PM #3
    Rk ws6
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    Red
    2001 ws6

    im on 28inch tall et street radials at 16psi on my 15 greg welds it hooks and doesnt spin at all....funny thing is i baby launched around 2500rpm and broke the lastest driveshaft which was saturday.... and i regularly launch from 3500 to 4500
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  4. 10-13-2010, 09:11 PM #4
    67CamaroRSSS
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    2002 Z28 A4 NBM
    Sadly now demodded :(

    Maybe I should knock on wood cuz I haven't broken a DS yet. Plenty of stripped gears and burnt pinions and bearings though.

    I'm set at a tad over -2* and the car dead hooks (that's what took the last set of gears even though I'm an A4) after a burnout stalled at 2500 on MT's.

    I like the trophy rack...
    67 Camaro: K-K + 797-z (look it up), 454/Th400/4.10 12-bolt = 6mpg, PS/PDB/PW tilt, tach, gauges...

    2005 Corvette LS2/M6 Magnetic Red Metallic (What else would it be?) w/ Cashmere interior

    2002 Z28: NBM/Tan, MTI smooth lid, smooth bellows, !AIR, !cats, 1-3/4" QTP SS LT's, 2-1/2" TD's with X-pipe, MagnaFlows dumped at axle, custom welded SFC's, MidWest Chassis body mount adjustable T/A, 3400 stall, 3.23 gears (was 2.73). Tuned: 343rwhp/357rwt (before TD's). Best: 12.559 @ 108+, 1.73 60' @ 3500' DA w/MT ET Street DR's.

    Carbon footprint? CLOWN SHOE!
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  5. 10-14-2010, 07:31 AM #5
    Firebirdjones
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    You look like you are still running the stock aluminum drive shafts. So I wouldn't blame their breakage soley on your pinion angle. I've seen those things twisted like prezels on bone stock cars and street tires.

    In all honesty if you plan to race the car that much and launch at those rpm levels, you should really step up to a stronger piece. For very little money you won't have this headache, and take a chance also of taking the transmission or your rearend out with it. I've broken tail shaft housings off the tranny from shoving the driveshaft forward when it breaks. Don't fool around with those stock shafts.

    And yes your pinion angle sounds in the ballpark. Anywhere from -1 to -4 degrees is acceptable for a street/strip car.
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  6. 10-19-2010, 07:58 PM #6
    Rk ws6
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    Red
    2001 ws6

    problem cured... pinon angles perfect stock driveshafts just couldnt take acttually hooking lol sphon top gun driveshaft ftw!
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  7. 11-13-2010, 10:36 PM #7
    Eganslp
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    Sunset metallic orange
    '01 Camaro SS

    That's what I'm afraid of happening to mine after the stage 2 tranny setup and 9" 40spline axles

    Sent from my iPhone using Tapatalk
    The sound of your piss hitting the urinal.......yea it sounds feminine!
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  8. 11-14-2010, 02:25 PM #8
    Firebirdjones
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    Quote Originally Posted by Rk ws6 View Post
    problem cured... pinon angles perfect stock driveshafts just couldnt take acttually hooking lol sphon top gun driveshaft ftw!
    I figured as much.
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