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Old 09-28-2013, 09:26 PM   #1
ShawDizzle
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Default Fear of becoming a dyno horror story

I've heard of and seen dyno catastrophes online. Are these really rare or really common. Just having that fear of my engine blowing on a dyno or falling off and destroying my under carriage.

Is there a need to worry? What happens god forbid your car suffers that fate?
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Old 09-28-2013, 09:31 PM   #2
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I've never hear of a car falling off a dyno. Engines blowing up.....yah. Why do you need your car on a dyno?
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Old 09-28-2013, 09:32 PM   #3
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u making 8000 hp or working with imbeciles? no? then quit worrying
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Old 09-28-2013, 09:53 PM   #4
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Any reputable shop will have insurance coverage for such problems. As for blowing up a motor, hopefully you built it right.
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Old 09-28-2013, 10:02 PM   #5
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There is a video of an evo falling off the dyno online somewhere. As long as your strapped in both front and rear you should be ok.
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Old 09-28-2013, 10:23 PM   #6
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Old 09-28-2013, 11:09 PM   #7
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oh boi...yet more proof that some people just shouldnt mod anything more complicated than a skateboard
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Old 09-28-2013, 11:34 PM   #8
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I love how all the boss's on here chime as if original posters are clueless when in reality it's probably posted because numerous people out there including gurus may have similar questions or simple worries lurking in their minds.

Stock motors blow on dynos so do you fault the company? Same thing as saying you fault a tuner who's motor blows when it is perhaps tuned to near perfection. It only takes one thing to go wrong no matter how well you engine is built. I was focusing on if that is anyone's fear...even just a little
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Old 09-28-2013, 11:42 PM   #9
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Quote:
Originally Posted by ShawDizzle View Post
I love how all the boss's on here chime as if original posters are clueless when in reality it's probably posted because numerous people out there including gurus may have similar questions or simple worries lurking in their minds.

Stock motors blow on dynos so do you fault the company? Same thing as saying you fault a tuner who's motor blows when it is perhaps tuned to near perfection. It only takes one thing to go wrong no matter how well you engine is built. I was focusing on if that is anyone's fear...even just a little


swayWUT???

man.....you need a nice bicycle
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Old 09-28-2013, 11:49 PM   #10
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It was stolen by 3 Portuguese dudes riding a dilapidated ice cream truck who were conjuring neighborhood bikes in a heist. No bikes survived and they never caught the bandits. Sad story
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Old 09-29-2013, 12:04 AM   #11
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d0000000000000d....no lojack on the lowbike???
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Old 09-29-2013, 12:13 AM   #12
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This is actually a true story. Robbed 5 buildings on the street of bikes, a lap top and a poor dudes pair of eyeglasses who already is as bad a McGoo.

Back to thread. All I'm trying to get at is it a fear of anyone of something going wrong on the dyno. Dumb tuners, bad dyno, your engines time to go, a belt snaps, it pops off dyno. Etc....anything that can go wrong and can no matter who you are or how well your car is built.
I always say I won't fart when doing squats, but it happens
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Old 09-29-2013, 12:35 AM   #13
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i dont understand what your POINT is, here

do you want us to hold your hand while you wipe, or what
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Old 09-29-2013, 12:45 AM   #14
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Back when I was having a car tuned I had to sign a waiver that if my engine blew on the dyno they weren't responsible since they never did any internal work. Yes, cars do blow on dynos and I've seen a couple vids of really high power cars falling off. There is ALWAYS some risk.
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Old 09-29-2013, 12:46 AM   #15
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I've noticed people dyno tuning there cars after minor mods, like intake down pipe ect. Shortly after they get famous ring land problem I'm thinking maybe dyno tune is the cause I'm running cobb ap v3 in my 12 sti with catless dp aem cai and turbo xs fmi fuel to air seems to be good.
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Old 09-29-2013, 01:48 AM   #16
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Old 09-29-2013, 02:07 AM   #17
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I wouldn't worry about it. If you're high mileage or your build isn't so hot then yeah.. there is a possibility of blowing your motor, but that thing is not going to fly off the dyno. There is always an inherent risk involved with running your car near redline over and over again for several hours. You just need to be prepared in the event that your engine does blow.
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Old 09-29-2013, 02:15 AM   #18
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Quote:
Originally Posted by ShawDizzle View Post
I've heard of and seen dyno catastrophes online. Are these really rare or really common. Just having that fear of my engine blowing on a dyno or falling off and destroying my under carriage.

Is there a need to worry? What happens god forbid your car suffers that fate?
You've been a member here for 7 years and you're just now thinking to ask a question like this? You could have called and talked to every known tuner in the United States and found out how each one handles a catastrophic engine failure while a tune is being done.

Literally, every known tuner.
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Old 09-29-2013, 02:24 AM   #19
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You're probably just as likely to wreck your car while driving to the dyno shop.
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Old 09-29-2013, 03:23 AM   #20
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Quote:
Originally Posted by Freeagnt54 View Post
You're probably just as likely to wreck your car while driving to the dyno shop.
Extremely doubtful. Do you do go 100+mph everywhere you go? Because that is what the dyno is reading at doing 3/4 gear pulls.

There is always rick of blowing up on a dyno. No shop I know of will actually stand by their dyno work, you always sign a waiver. Even if they did all the work. Some stand by their ****, most don't. Ask before you tune! Not that it matters much, tuning at a different shop they won't cover anything someone else did. You need to research research research before you do any building/tuning (also the reason I would never recommend building yourself, they will just blame you). Pick one shop, preferably the best in the country (NOT YOUR AREA) to do your build/tune. Ask them about their policy on blown engines on the dyno they tuned/built. GET IT IN WRITING.

Most shops are absolute **** and will not back anything. Then you are simply out 10k+. Most shops suck in the country, if they are not Subaru specific with massive amounts of badass builds that hold up over years and stand behind their work, avoid them. Not worth it.

Modding to this extent costs major money. Whether it's going to a **** company that is completely incompetent numerous times (I made that mistake) or simply spending a fortune at the countries premier shop once, it's going to cost a fortune. Generally, more than the car is worth (think 2x+). Deal with it or move on to a better platform.
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Old 09-29-2013, 05:25 AM   #21
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I was talking about having an accident vs it flying off the dyno, not blowing the motor up.
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Old 09-29-2013, 06:47 AM   #22
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So on the original question, I was being genuine asking why you need to go on a tuner. When I had my FFR Cobra, I had a boatload of engine mods. But the Ford computer simply adapts to them and you just drive it. I could have put it on a dyno to eek out 10 or 20 more hp out of it, but my thoughts were "who cares?". I didn't care how much power I had and didn't need to walk around with a big attitude "oh, you have 300hp, well I have 302hp" kinda thing. I do understand that Subarus are far more fragile with regards to their tune.
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Old 09-29-2013, 07:20 AM   #23
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The way I see it is, if your car has no problem with hitting redline, then you shouldn't have fears about it blowing on a dyno, since a dyno pull is essentially just pushing the car to redline a few times.
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Old 09-29-2013, 07:27 AM   #24
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Quote:
Originally Posted by Uncle Scotty View Post
i dont understand what your POINT is, here do you want us to hold your hand while you wipe, or what
Stick your hand up there and wipe for me bro.

-Gallo: member for 7 years, but I joined, was active for a year then was busy bouncing from country to country for 5 years. Just recently came back so I'm still learning the ways.

-Jack: going to a dyno gains best performance and you know what your car produces regardless if it's 240 hp or 800. I don't care about power either but I'd like the best performance for what I put into it
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Old 09-29-2013, 07:56 AM   #25
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Quote:
Originally Posted by ShawDizzle View Post
I've heard of and seen dyno catastrophes online. Are these really rare or really common. Just having that fear of my engine blowing on a dyno or falling off and destroying my under carriage.

Is there a need to worry? What happens god forbid your car suffers that fate?
Pick a starting point. From X to Y, this many cars have been tuned. Of the number of cars tuned, Z were failures. Of those failures, A were attributed to the tune itself.

You seek a guarantee of sorts for the unknown.

The tuner I use provides for a limited warranty with regard to their tune, but not an absolute guarantee. Therefore, this would be one of the questions to ask the tuner / tuner's shop.

In reading many posts here on NASIOC as well as elsewhere, all too many times does the creator of 'that thread' thereafter reveal that he/she a) had an issue prior to the work being performed; b) did not properly maintain the car previously; c) are not the original owner of the car and did not have a history of the car; d) effectively beat on the car; and so-on.

Yet, however, the original poster rants on how the tuner (or whatever the service provider is and provided) was at fault when in fact the owner was in effect the leader as to the root cause to that ultimate failure.

Respectfully, I'm not busting your chops.

My point is that anything can happen at anytime.

There are cars that were knowingly breaking as they rolled off of the assembly line (e.g Ford Thunderbird SC), and I know of cars personally that were deemed to be effectively worthless, but by a combination of the owner maintaining that car and some luck, it lasted 20-years (e.g. Hyundai Excel).

Respectfully, even your original post to this thread does not state any real facts or why you are concerned about the possibility of a failure with respect to a tune. Why so vague or maintaining secrecy?

A bad tuner (person) is outside of your control and should be held accountable for the detrimental tune.

I've witnessed a car being tuned where one of the hold-down straps holding the car down broke while the car was at full speed. This was noticed immediately, with the car being brought to a full stop without it falling off of the dyno and the shop was immediately closed to determine the cause of the problem.

Hold-down straps will break over time. They may or may not be specifically rated for 'X-hours' of use, and it is up to that shop to maintain their equipment.

Again, deliberate effort on the part of that shop is required to ensure as best as possible that no negative events occur. It is up to the owner of the vehicle to be fully forthright in detailing what has been done to the car and if the second or third owner to disclose this as well. It is also a matter of fate and luck that the factory or other builder of the engine did a good job and that there are no other unknown factors in play to cause a problem that day.

If I could give you a guarantee, I would and I would be the richest man on the planet, or the ruler of a small island, say Australia.
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