GOLLY!........... from my perspective is....these threads are primarily about drag racing..... where everyone pushes the limits of pretty much everything.. at 7000 rpm and such..... NO ONE DOES THAT CRAP on the streets
You can scatter one of these at considerably below any 7K, and most any good modern street engine will go that high, anyhow.
READ and find out what the problem is. YOU CAN CAUSE this problem simply by breaking something in the rear axle---it "shocks" the cage in the torqueflite. All of this is outlined in those threads.
This stuff has been documented and written by better people than I.
The following is a quote (excuse the typing mistakes) from the book by Carl H Munroe, "Torqueflite A-727 Handbook."
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"A word about safety.......In addition, a valve body that applies the low-reverse band in manual low is essential...............A failure of the rear overunning clutch assembly can lead to an over-speed condition at the front clutch retainer....UNDER THESE CONDITIONS THE FRONT CLUTCH RETAINER WILL ROTATE AT 2.2 TIMES THE SPEED OF THE INPUT SHAFT........INPUT SHAFT SPEED OF 6000rpm....FRONT CLUTCH RETAINER WILL ROTATE AT 13200 RPM............SHOULD YOU EXPERIENCE A FAILURE OF THE DRIVESHAFT, U JOINT(s), REAR END OR AXLES, YOU MUST REMOVE THE TRANSMISSION AND INSPECT.....OVERRUNNING CLUTCH COMPONENTS..............."
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Further, from "Installation and operation" page 197:
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"Burn-out procedures differ depending on the design of your valve body. You must know whether the reverse and low band is applied when your particular valve body is in the low position.
With a valve body that applies the reverse and low band in low the burnout dcan be started in manual low. Shift to second and third if desired. Decelerate before coming out of the water
UNITS THAT DO NOT APPLY THE VERSE AND LOW BAND IN LOW MUST START THE BURN-OUT IN SECOND GEAR. Shift to high and decelerate before coming out of the water. In any case try not to let the tires hook when coming out of the water."
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Read page 4:
http://www.turboaction.com/17156.pdf
"Chrysler/Amer. Mtrs. 727, 904, 998 & 999 Transmissions
All water burnouts should be started in second gear and shift to third if necessary. If you should
start burnout in first, shift immediately to second before tires come out of water. No matter whether
it be second or third gear you are in as you come out of the water, you should start to deaccelerate
engine or do a power burnout directly to the staging line being sure tires never grab dry pavement.
The power burnout provides the best E.T.s if no dry burnouts are done. No matter if you have a
tranz brake or not, we suggest not doing dry burnouts!
Note - Rear End Breakage & Driveshaft Breakage: If rear end or driveshaft breaks while in first
gear acceleration or burnout, remove transmission and check rear roller clutch for
damage."
