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Looks like it droped a valve if he over adjusted the cam gears it would of taped them causeing a slight bend,not total destruction, this looks like a dropped a valve??
ouch man, yeah if its only on one cylinder, dropped valve is my guess. since moving the cam gear would effect all the valves. Hopefully you two can work something out, i wouldn't expect anything free, in the game of "race" or modified engines **** breaks/happens, no guarantees
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I didnt sing a wavier this time. But one was singed the time I tuned the car prior.. Please dont ask what shop. I will not tell because I believe it is a good shop, and there is no need to slander there name.
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definetly looks like a dropped valve not a melted piston... dont know if it is the tuners fault. Might want to look into a cause of the valve dropping. You might have to chalk this one up to the hobby
**** happens man.. it looks like it bent valves.
get some GOOD pics of the other pistons and valves, assuming they arent too badly messed up from this damage, you will be able to see valve to valve or p2v contact on them. Then you can go from there.
did he say the ignition timing jumped, or the cam jumped? looks to me like the cam gear may have slipped. in that case, the two of you should check the to make sure all the cam gear bolts are tight and look to see if they slipped. If they are tight and it slipped, I say take his offer of cost on the parts, see if he will help out on the labor, but really it may/may not be his fault in that case.
if the mess is loose and it slipped he should cover the whole thing IMHO.
at the shop i was at we had **** fall apart on us b/c people didnt know what they were doing putting things together or using shoddy used parts. even in those cases we always tried to help the customer out with discounts on parts and labor. We always took plenty of pictures, explained every thing very carefully and always gave them the benefit of the doubt.
BTW, the dyno waiver does NOT cover your motor blowing up. It covers damage to the vehicle if the car flys off the dyno, or is damaged by the dyno. IE. this one retard at another shop local to me strapped a bmw m3 to the dyno by the rear shocks, it bent the shocks and came off the dyno. the waiver covered 2 tires, 2 shocks and labor to fix it.
get some GOOD pics of the other pistons and valves, assuming they arent too badly messed up from this damage, you will be able to see valve to valve or p2v contact on them. Then you can go from there.
did he say the ignition timing jumped, or the cam jumped? looks to me like the cam gear may have slipped. in that case, the two of you should check the to make sure all the cam gear bolts are tight and look to see if they slipped. If they are tight and it slipped, I say take his offer of cost on the parts, see if he will help out on the labor, but really it may/may not be his fault in that case.
if the mess is loose and it slipped he should cover the whole thing IMHO.
at the shop i was at we had **** fall apart on us b/c people didnt know what they were doing putting things together or using shoddy used parts. even in those cases we always tried to help the customer out with discounts on parts and labor. We always took plenty of pictures, explained every thing very carefully and always gave them the benefit of the doubt.
BTW, the dyno waiver does NOT cover your motor blowing up. It covers damage to the vehicle if the car flys off the dyno, or is damaged by the dyno. IE. this one retard at another shop local to me strapped a bmw m3 to the dyno by the rear shocks, it bent the shocks and came off the dyno. the waiver covered 2 tires, 2 shocks and labor to fix it.
It could simply be a mechanical failure not attributed to them adjusting the cam gears, or the tune.
Did they assemble the engine, or do anything other than tune the car?
Did they assemble the engine, or do anything other than tune the car?
its important to completely tear down the engine and very carefully examine EVERYTHING.
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I will call the shop today and chat with them about this. Not even knowing the extent of the failure they already offered any parts I needed at cost.
Last edited by BlakeJ53; May 4, 2009 at 07:16 AM.
all i see are blury pictures!!!
honestly though, are those rocket camsprings compatable with pro 1's?? i had those in an old head with buddy club 3+ cams and found a couple broken springs during a normal inspection
i would bet it was a dropped valve or something like that and nothing in the tune
honestly though, are those rocket camsprings compatable with pro 1's?? i had those in an old head with buddy club 3+ cams and found a couple broken springs during a normal inspection
i would bet it was a dropped valve or something like that and nothing in the tune
i think the shop should work with you. With a set up such as yours this should have never happened. not really sure on those valve springs.
the only problem I see is the shop blaming the builder and the builder blaming the shop.
Out of all the years I've done this, I've signed one waiver and the motor popped 5 minutes after. It was totally the tuners fault. too much timing. With my current tuner I've never signed a waiver he just stops where he knows he should Unless i tell him otherwise then it's my fault.
Kinda wired he adjusted the cam gear then next pull dropped a valve. If it is there fault would be leery about letting them tune again.
the only problem I see is the shop blaming the builder and the builder blaming the shop.
Out of all the years I've done this, I've signed one waiver and the motor popped 5 minutes after. It was totally the tuners fault. too much timing. With my current tuner I've never signed a waiver he just stops where he knows he should Unless i tell him otherwise then it's my fault.
Kinda wired he adjusted the cam gear then next pull dropped a valve. If it is there fault would be leery about letting them tune again.
Last edited by ahobbs; May 4, 2009 at 06:31 AM.
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Thanks to everyones reply. This will help me alot. I just didnt want to call the shop being pissed, pointing blame and loosing a good realationship over something that was not the tuners fault.
Sometimes failures are a result of the tune, but most of the time (pretty much all the time if the tuner knows what he's doing) failures are a result of something else.
Parts fail, things get put together wrong, etc. Most of the time it's not the tuner's fault.
That being said, a big part of being a good tuner is being able to spot things that are problems before they are a major problem. Sometimes you can, sometimes you can't.
If this thing dropped a valve and the cam gears are tight and in the right spot, it's not the tuners fault or problem and you should be thankful he's willing to help you out on it.
If he just adjusted the cam gear and it's loose or way out of adjustment or something, then that's likely the problem and he should help you get it back together.
I'd say regardless, the title of this post in inappropriate and the tuner or shop definitely should not be named until you have confirmed things. Even if the details are put out there and it's not their fault, the name of the shop/tuner and the title of this post will rub a lot of people the wrong way and is not fair to them.
Man, a ~2 liter engine making 450hp blows up on the chassis dyno, and some of you think the dyno owner should do more than what the guy has already offered to do for the car owner? Sheesh. . . I guess I think that if we want these tuners to push the boundaries like we do, we have to accept the cost when our cars blow up while tuning, especially when it looks to be a mechanical failure.
In the big scheme of things, if a particular tuner has a higher than normal rate of blowing stuff up, he won't be able to stay in business, because people won't go to him. I'd say, "Thank you for the offer of the parts at cost (assuming that they truly are at COST), and thank you for not charging me for the dyno time I agreed to pay for." But that's just me. Gotta pay to play.
EDIT: WHOOPS! Got treed by Tony1.
In the big scheme of things, if a particular tuner has a higher than normal rate of blowing stuff up, he won't be able to stay in business, because people won't go to him. I'd say, "Thank you for the offer of the parts at cost (assuming that they truly are at COST), and thank you for not charging me for the dyno time I agreed to pay for." But that's just me. Gotta pay to play.
EDIT: WHOOPS! Got treed by Tony1.
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sorry guys, doesn't work that way.
Sometimes failures are a result of the tune, but most of the time (pretty much all the time if the tuner knows what he's doing) failures are a result of something else.
Parts fail, things get put together wrong, etc. Most of the time it's not the tuner's fault.
That being said, a big part of being a good tuner is being able to spot things that are problems before they are a major problem. Sometimes you can, sometimes you can't.
If this thing dropped a valve and the cam gears are tight and in the right spot, it's not the tuners fault or problem and you should be thankful he's willing to help you out on it.
If he just adjusted the cam gear and it's loose or way out of adjustment or something, then that's likely the problem and he should help you get it back together.
I'd say regardless, the title of this post in inappropriate and the tuner or shop definitely should not be named until you have confirmed things. Even if the details are put out there and it's not their fault, the name of the shop/tuner and the title of this post will rub a lot of people the wrong way and is not fair to them.
Sometimes failures are a result of the tune, but most of the time (pretty much all the time if the tuner knows what he's doing) failures are a result of something else.
Parts fail, things get put together wrong, etc. Most of the time it's not the tuner's fault.
That being said, a big part of being a good tuner is being able to spot things that are problems before they are a major problem. Sometimes you can, sometimes you can't.
If this thing dropped a valve and the cam gears are tight and in the right spot, it's not the tuners fault or problem and you should be thankful he's willing to help you out on it.
If he just adjusted the cam gear and it's loose or way out of adjustment or something, then that's likely the problem and he should help you get it back together.
I'd say regardless, the title of this post in inappropriate and the tuner or shop definitely should not be named until you have confirmed things. Even if the details are put out there and it's not their fault, the name of the shop/tuner and the title of this post will rub a lot of people the wrong way and is not fair to them.
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