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    Author Topic: Torque Monster  (Read 3113 times)

    Offline cudabob496

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    Torque Monster
    « on: November 22, 2015 - 03:46:42 AM »
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    72 Cuda, owned 25 years. 496, with ported Stage VI heads, .625 in solid roller, 254/258 at .050, 3500 stall, 3.91 rear. 850 Holley DP, Reverse manual valve body.

    1999 Trans Am, LS1, heads, cam, headers, stall, etc! Love to surprise the rice rockets with this one. They seem so confident, then it's "what the heck just happened?"

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    Offline YellowThumper

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    Re: Torque Monster
    « Reply #1 on: November 22, 2015 - 01:19:50 PM »
    No words other than ouch...


    Dropped a front u joint and driveshaft dug in is my guess.


    Mike
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    Offline Cudakiller70

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    Re: Torque Monster
    « Reply #2 on: November 22, 2015 - 01:48:22 PM »
    Wow what a mess, incredible when you think about it the rear end ripping out like that!
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    Offline 1 Wild R/T

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    Re: Torque Monster
    « Reply #3 on: November 22, 2015 - 02:27:35 PM »
    Axle saddle welds let go... Once the axle starts to rotate & the driveline angle gets to the point things bind somethings gonna break...
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    Offline Cudakiller70

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    Re: Torque Monster
    « Reply #4 on: November 22, 2015 - 02:47:10 PM »
    Quote from: 1 Wild R/T on November 22, 2015 - 02:27:35 PM
    Axle saddle welds let go... Once the axle starts to rotate & the driveline angle gets to the point things bind somethings gonna break...
    So this is more likely something else happened, that a drive shaft safety loop would not of prevented, but maybe helped?  :dunno:
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    Our Constitution was made only for a moral and religious people. It is wholly inadequate to the government of any other.
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    Offline cudabob496

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    Re: Torque Monster
    « Reply #5 on: November 22, 2015 - 04:30:50 PM »
    I recently went to a stronger drive shaft with beefy U-joints.  I think that was
    the weak link in my car.
    Logged
    72 Cuda, owned 25 years. 496, with ported Stage VI heads, .625 in solid roller, 254/258 at .050, 3500 stall, 3.91 rear. 850 Holley DP, Reverse manual valve body.

    1999 Trans Am, LS1, heads, cam, headers, stall, etc! Love to surprise the rice rockets with this one. They seem so confident, then it's "what the heck just happened?"

    2011 Kawasaki Z1000

    Offline TelisSE440

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    Re: Torque Monster
    « Reply #6 on: November 22, 2015 - 04:38:25 PM »
    Thankfully no one got hurt, makes me think where should someone should give special attention, regarding the shaft and the differential...
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    Offline cudabob496

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    Re: Torque Monster
    « Reply #7 on: November 22, 2015 - 08:03:33 PM »
    Quote from: TelisSE440 on November 22, 2015 - 04:38:25 PM
    Thankfully no one got hurt, makes me think where should someone should give special attention, regarding the shaft and the differential...

    or at least get under there and check bolt torques.

    its pretty easy to build a drive shaft loop, at least one to keep it from
    pole vaulting.
    Logged
    72 Cuda, owned 25 years. 496, with ported Stage VI heads, .625 in solid roller, 254/258 at .050, 3500 stall, 3.91 rear. 850 Holley DP, Reverse manual valve body.

    1999 Trans Am, LS1, heads, cam, headers, stall, etc! Love to surprise the rice rockets with this one. They seem so confident, then it's "what the heck just happened?"

    2011 Kawasaki Z1000

    Offline 1 Wild R/T

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    Re: Torque Monster
    « Reply #8 on: November 22, 2015 - 08:10:33 PM »
    Quote from: Cudakiller70 on November 22, 2015 - 02:47:10 PM
    So this is more likely something else happened, that a drive shaft safety loop would not of prevented, but maybe helped?  :dunno:

    Driveshaft loop wouldn't matter, better welds would.. Likely the axle had been changed, new perches located the axle but either the perches were welded with poor penetration or it was just tack welded & someone forgot the next step.... The car didn't have enough traction to tear out a properly welded axle... In drag race applications you'll see the axle start distorting the perches, when that happens typically the perches get boxed & additional support brackets can be added to support the axle all the way up the front side to control the wrap up...
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    Offline YellowThumper

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    Re: Torque Monster
    « Reply #9 on: November 22, 2015 - 10:56:50 PM »
    I agree that weak points from a modification is why axle dropped. But that is a result of something else letting go. Look at car heaving prior to separation.

    Mike
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    Offline 1 Wild R/T

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    Re: Torque Monster
    « Reply #10 on: November 23, 2015 - 01:07:33 AM »
    Quote from: YellowThumper on November 22, 2015 - 10:56:50 PM
    I agree that weak points from a modification is why axle dropped. But that is a result of something else letting go. Look at car heaving prior to separation.

    Mike

    The car heaving is the drive shaft binding due to the severe pinion angle as the axle rotates.... 
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    Offline Cudakiller70

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    Re: Torque Monster
    « Reply #11 on: November 23, 2015 - 01:12:10 AM »
    Watched the video again sure looks like the right rear is letting go first? I couldn't see if that car had any leaf springs, maybe a 4 link?  :dunno:
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    Offline cudabob496

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    Re: Torque Monster
    « Reply #12 on: November 23, 2015 - 01:20:34 AM »
    don't see a drive shaft or leaf springs attached to the rearend. A single
    peace of shiney metal is on the ground under the rearend.
    « Last Edit: November 23, 2015 - 01:23:15 AM by cudabob496 »
    Logged
    72 Cuda, owned 25 years. 496, with ported Stage VI heads, .625 in solid roller, 254/258 at .050, 3500 stall, 3.91 rear. 850 Holley DP, Reverse manual valve body.

    1999 Trans Am, LS1, heads, cam, headers, stall, etc! Love to surprise the rice rockets with this one. They seem so confident, then it's "what the heck just happened?"

    2011 Kawasaki Z1000

    Offline cudabob496

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    Re: Torque Monster
    « Reply #13 on: November 23, 2015 - 01:25:12 AM »
    http://artofgears.com/2015/05/25/classic-dodge-dart-loses-rear-axle-showing-off/


    saying due to hard braking

    another site said the guy only owned the Dart for a couple of hrs before the event
    « Last Edit: November 23, 2015 - 01:32:50 AM by cudabob496 »
    Logged
    72 Cuda, owned 25 years. 496, with ported Stage VI heads, .625 in solid roller, 254/258 at .050, 3500 stall, 3.91 rear. 850 Holley DP, Reverse manual valve body.

    1999 Trans Am, LS1, heads, cam, headers, stall, etc! Love to surprise the rice rockets with this one. They seem so confident, then it's "what the heck just happened?"

    2011 Kawasaki Z1000

    Offline cordodge

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    Re: Torque Monster
    « Reply #14 on: November 23, 2015 - 09:08:18 AM »
    not sure but it looks like it could have been a ladder bar system and the pipe welded to the frame rails let go and the whole system came out, I think the bouncing is the body and big tires coming together? Whatever it was it would suck!!

    Bruce
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