• Dec 3, 2010
BOOM goes the GT500's dyno might – Click above to watch video after the jump

Strapping a car to a dyno and giving it the boot is not as safe as it might seem. Sure, the car is not actually going anywhere, but a lot of forces are at play in the drivelline. The owner of this particular Shelby Mustang GT500 in the video available after the jump, learned this firsthand when his prized pony when boom.

No postmortem discussion is available to find out what happened, and we're not sure what (if any) modifications were done to this previous-gen GT500, but it certainly sounded pretty mean right until it barfed up a lung. Hop the jump to check out the unfortunate carnage. Thanks for the tip, Brent W!

[Source: YouTube via Mustang Evolution]


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    • 1 Second Ago
  • 64 Comments
      • 4 Years Ago
      No damage, they were just cooking BBQ on the manifold. Lunch is ready!
      • 4 Years Ago
      It's obvious that there was some serious detonation followed by the ventilation of the block. I hope this wasn't the intial run after the baseline tune, if so, these idiots just cost the owner a $10k motor for no good reason. You never rev to max rpm until you're pretty sure the a/f ratio is dialed in at lower RPMs first.

      I remember last year when I got my new engine tuned, the guy spent about 1hr 30min of the 2 hour dyno tune session getting the a/f right before he did a max rpm run. After that initial hard run, he made a couple small tweaks that added maybe 5hp, then a few more that lost power before we decided we had found a safe and sweet spot. So essentially he was pretty on the money when he made that first hard pull. This shows how proffessional he was.

      Oh and by the way, check out the hood and bumper, that thing's a $65k GT500KR, not a standard GT500. So that plus enough mods to make 800 RWHP (at least according to the other article I read online earlier about the same car), the owner's probably got the money to cover a new engine.
      • 4 Years Ago
      R.I.P to that motor
      • 4 Years Ago
      I'm not big gearhead, but the shift light was on a bit long on his tach. Watch at the 1:06 mark.
      • 4 Years Ago
      I watched this in class, with no sound, i literally laughed out loud when i blew. poor wittle bustang.
      • 4 Years Ago
      Brilliant..........

      Anyone got a marshmellow...???? I got the chocolate bar and graham crackers!!!!

      Way to go guys.. you just got a spot on Autoblog, Break.com, and Leftlane Backpage.

      The silver spoon owner just needs to open up the wallet for another motor.. Ha Ha Ha.
      • 4 Years Ago
      It's only a crappy Ford Mustang, no big deal, others are sure to follow!
      CheckTheseOut
      • 4 Years Ago
      Hmmmm, did those fools not know what the sudden change in "sound" meant?
        • 4 Years Ago
        @CheckTheseOut
        @Stuka

        No tell-tale sign? How about that tach light that came on about 1 or 2 thousand RPMs before The Noise?

        Of course we all know that tweaking your blower, injectors, and exhaust automatically increases max safe RPMs. Just like fart cans increase HP.
        • 4 Years Ago
        @CheckTheseOut
        What do you mean? Are you referring to the sound of them going WOT when they actually started the run? The first part they are just brining up the tire speed until they could get into which ever gear is 1:1 (typically 4th or 5th depending if its a 5 or 6 speed).

        I watched it multiple times, and there was no tale-tale sign that it was going to shove a rod out the side of the block.
        • 4 Years Ago
        @CheckTheseOut
        There's no change in sound. At the 0:16 mark the guy steps on the pedal to WOT, that's about it. Could've been a lot of things, too much boost, engine running too lean.
        • 4 Years Ago
        @CheckTheseOut
        NeutralDrop is 100% correct. The sound of a dry bearing somewhere in that lump is unmistakeable. It's not gear whine, and if you can't tell the difference, you need to learn it. It should have been shut down immediately, or left at idle or low revs until it could be located and identified. From the audio on the video, the first thing I'd check for would be a spun pin or lower end bearing. (I know, ...pretty obvious considering the results)

        Besides all that, starting any engine and almost immediately going to full-throttle is insane, no matter how warm the engine might be. This is especially true with any turbo or supercharged engine, where lubricant flow and pressure is extra vital. It takes a few seconds to bring both up to optimum levels. In fact, if I was asked to purposely grenade an engine, I'd do exactly what they did in this video.

        And yes, I've built and dynoed literally hundreds of motorcycle and car engines.
        • 4 Years Ago
        @CheckTheseOut
        Took me a few times, but I heard it too. All that needless damage...
        • 4 Years Ago
        @CheckTheseOut
        Change in sound? LOL
        You guys must have never been present for a dyno run.
        Indoor dyno's (most of them) are crazy loud.
        You have noise from the rollers, tires, engine, exhaust, Supercharger, then take all that and bounce it off all the walls multiplying the sound level by 4 times.
        No sound is distinguishable.

        On top of that, shelbys make 500rwhp and up. The rpm's climb extremely fast, by the time you let off, it's too late regardless of whether or not you heard something.

        I can't tell the SC on the car, but it looks polished, so it's probably aftermarket, which means hp is likely in the 650rwhp and up club.
        CheckTheseOut
        • 4 Years Ago
        @CheckTheseOut
        Are you kidding me? What, are you 5 years old? Even your mom could hear it from her bedroom!
        • 4 Years Ago
        @CheckTheseOut
        NeutralDrop, I had a pair of earphones while listening to this at nearly eardrum blowing level and I definitely didn't hear any other noise other than the blower whine, rollers, and exhaust. So I don't know what you think you heard but I'd bet you need a hearing check.
        CheckTheseOut
        • 4 Years Ago
        @CheckTheseOut
        Re: Sugarki

        Whatever...
        • 4 Years Ago
        @CheckTheseOut
        Yeah, good point Ndrop. I heard it too.
        • 4 Years Ago
        @CheckTheseOut
        What you guys aren't considering (aside from the fact that there is no noise) is that even if there were a noise, it'd already be too late. There are no warning noises when it comes to a blown engine.

        That's not to say these clowns should be cleared of ridicule, though. benzaholic is right about that shift light. The driver was watching the screen when he should have been watching the tach. He didn't even notice the light had gone off.
        • 4 Years Ago
        @CheckTheseOut
        @benzaholic, xpolarx

        That is an aftermarket tach, the shiftlight is irrelevant depending on what the guy has it set at. On the dyno I run past my shiftlight too, doesn't mean I am running past what my motor is built for though.

      • 4 Years Ago
      28 lbs on stock internals? Looks to me like the guy was just looking for an excuse to build a real motor.
      • 4 Years Ago
      so who pays owner i would think
      • 4 Years Ago
      Some Dyno-Shop just bought a Ford Shelby Mustang GT-500 for display purposes only?! Doesn't run anymore?! Those Dyno Guys look like they never knew what they were doing from the start?? They acted like they didn't even know how, to turn of the motor!?? Lucky enough, know one was injured by they're incompetence. What's the name of the Dyno-Shop that I don't want to go to?????????!!!!!!!!
        • 4 Years Ago
        Funny how you get after these guys for having such incompetence, yet you are so ignorant that you can't punctuate properly while having the worst spelling I have ever seen on this website.

        Their > they're
        No one > know one
        Off > of

        Why do you have to capitalize words that don't need to be capitalized in the first place, also?
      • 4 Years Ago
      I remember when the cobras were famous for this 10 years ago. Ford's V8s pop like balloons i guess.
        • 4 Years Ago
        Are you really that dumb??? Any motor will blow if you throw enough boost at it.

        Let's educate you a little....the 32V Cobra and GT500 motors are very stout from the factory....way more so than most performance motors out there. Owners of these motors are blessed with the ability to bump HP by more than 50% without having to change any internals on their cars.....try that with an STI, EVO or VW.

        The blown motors you speak of are mostly from owners who push the envelope too far or from bad tuning......and for many of them there is a motor waiting in the garage. This is the big leagues son.....get with it!

        Based on a lot of these responses, a post like this is too far beyond the comprehension of most AB readers. BTW...this video came out as early as Monday.
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