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Old 06-21-2011, 01:28 PM   #309
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Another good possibility. I don't think we will ever really know. Just like O.J.
pretty sure O.J. even said he did it years later.
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Old 06-21-2011, 01:30 PM   #310
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wow that really sucks
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Old 06-21-2011, 02:05 PM   #311
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wow that really sucks
Agreed. OJ is a total dick.
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Old 06-21-2011, 02:18 PM   #312
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pretty sure O.J. even said he did it years later.
Hey! If it doesn't fit, you must acquit!








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Old 06-21-2011, 02:27 PM   #313
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pretty sure O.J. even said he did it years later.
I don't think he did but I hear it's Oprah's goal to get him to confess.

Randy is right, this is chicken/egg secenrio.
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Old 06-21-2011, 02:53 PM   #314
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Dos this look like this LS3.












Like i said it looks like the rods on the LS3 are stretching and failing, Its only powdered metal so its not going to take to much more power to get to there limit.
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Old 06-21-2011, 03:22 PM   #315
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Dos this look like this LS3.


Like i said it looks like the rods on the LS3 are stretching and failing, Its only powdered metal so its not going to take to much more power to get to there limit.
Hey, that's my engine.

Yeah. I was only dyno'ed at 406 wheel though. I didn't think I was even close to the limit.
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Old 06-21-2011, 03:24 PM   #316
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And looking at the PTV contact on ALL of his cylinders. I think his failure was a little different than mine. I had a retaining clip failure on a lifter cause mine.

His.. Well like everyone has said..The front cover may hold the answer.
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Old 06-21-2011, 05:44 PM   #317
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Old 06-21-2011, 07:20 PM   #318
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Originally Posted by PAUL SS View Post
I don't think anybody asked this yet. How do you ask for warranty work after you have already stripped the motor down?

Best of luck Mike.
I am pretty sure he talked to some of the powers that be while in Oshawa, and they said um, well, call Customer Service... and knowing what we know about Customer Service and engine mods... not really worth the fight.
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Old 06-21-2011, 08:51 PM   #319
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I don't think anybody asked this yet. How do you ask for warranty work after you have already stripped the motor down?

Best of luck Mike.
Paul... The tranny problem on early vins is a known issue so I don't think the dealership looked too heavily under the hood if you know what I mean. They just swapped out the tranny and sent him on his way... just as any GOOD dealer would. They took care of him.

Now, with a blown engine, a dealership MUST notify GM before doing a warranty repair/replacement and they inturn are going to want to know the specifics of the car. With the mods he had, the conversation was short.

The issues comes down to, as Mike stated, what if for some reason the failure of the original tranny... that GM righfull warrantied... caused the failure... where does GM stand on that? If the tranny hadn't failed, there is a really good chance the orange bee would still be running today...

the plot thickens...

Best guess at this point:
  1. 3 grand clutch dump snaps output shaft
  2. Torque surge of free spinning engine shears or stresses cam pin and/or weakens rods allowing them to elongate slightly
  3. Car is repaired under warranty (justified claim)
  4. Normal drive to Oshawa doesnt effect the engine as the cam gear is held in place by bolt torgue and the PTV clearance is "enough"
  5. Power shift 1-2 at redline puts enough torque on can gear to make it spin without turning cam or allow rods to further elongate
  6. Result is shown, either case, you have PTV on all cylinders... BOOM.
Thats why I think the tranny issue is a BIG part of the failure.

Sure, he should have had a 3 bolt cam but thats only part of it, a small part.

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Old 06-21-2011, 09:36 PM   #320
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I'm not sure I'm buying that the output shaft breaking would cause a torque surge that would break anything. The engine would cycling freely against very little resistance like it was out of gear...the rev limiter would shut it down if it went too high. I'm guessing tensioner or some other defective or weak stock part...we are all speculating until he gets the front cover off.
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Old 06-21-2011, 09:51 PM   #321
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Quote:
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I'm not sure I'm buying that the output shaft breaking would cause a torque surge that would break anything. The engine would cycling freely against very little resistance like it was out of gear...the rev limiter would shut it down if it went too high. I'm guessing tensioner or some other defective or weak stock part...we are all speculating until he gets the front cover off.
Take a pencil in your hand holding the sharpened end, and hit a countertop as hard as you can with it. Now, hold resistance with it as you apply leverage and release the resistance suddenly. The pencil is going to hit the countertop with MUCH more force. That's what we're talking about. A force that engines are not supposed to get.

Stabing the throttle, even on the most responsive of systems, is going to ease up through the band. Putting it in gear will apply the 'resistance' like in my pencil annalogy. Either the car will move or the tires will spin, or the car will die. Now release that pressure in a milisecond. ALL that violent torque will hit that free spining motor with NO dampering whatsoever. And engine is not made for that. Even on a full clutch dump, either the tires break free, the car moves, both, or the car will die. OR...... something breaks.
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Old 06-21-2011, 09:52 PM   #322
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Originally Posted by S-eatin-grin View Post
I'm not sure I'm buying that the output shaft breaking would cause a torque surge that would break anything. The engine would cycling freely against very little resistance like it was out of gear...the rev limiter would shut it down if it went too high. I'm guessing tensioner or some other defective or weak stock part...we are all speculating until he gets the front cover off.
Under normal situations, I'd agree. If i go out right now and rev my car to red line, I am sure it will be fine.... RPMs slowly come up.

Now take the same car and do a 3K clutch drop, the clutch grabs and for a split second holds then BAM instantly goes to FULL torque. The stresses are WAY MORE than simple revving the engine.

I could be wrong... and like has been said, we will never really know... even if the pin is broken. What will be really odd is if the pin is intact.


EDIT... like Randy said... only in different terms.
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