[Marine Corps]

The engine in question is one of the best in production. I don't think Motor Trend's recent article about the engine is any big thing. Nothing human-made is going to be perfect in all circumstances all the time. "Stuff Happens".

[Memphis43]

Originally Posted by Marine Corps

The engine in question is one of the best in production. I don't think Motor Trend's recent article about the engine is any big thing. Nothing human-made is going to be perfect in all circumstances all the time. "Stuff Happens".

Except it's happened multiple times with the Z06.

Honestly I think the packaging is the problem.

Mentioned this over on the Mustang site.

There is literally trouble getting the air into the vehicle because of its aerodynamics.

The CTS-V has not had any issues at all.

It has much better area for air to go in and it's aerodynamics actually allow for air to go into the engine bay.



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[iPODFAN11]

Originally Posted by Waiting46

they explained that it was an issue with the tapping of the oil filter threads (when they actually cut the threads in to the block) the cleaning process was not as thorough as it should have been, leaving metal flakes in the oil that caused the issue. Sounds totally reasonable from a manufacturing standpoint, if a huge issue from a QC standpoint.

No threads in the block for the filter that I know of. LS and LT use a double threaded insert that screws into the oil pan and the filter screws to the other end.

[fastball]

Originally Posted by Marine Corps

The engine in question is one of the best in production. I don't think Motor Trend's recent article about the engine is any big thing. Nothing human-made is going to be perfect in all circumstances all the time. "Stuff Happens".

No, it doesn't. Not when you're banking your reputation on it.

This is the kind of thing that happens during R&D, not in the hands of a customer. Iron this crap out BEFORE the first one hits the showroom floor.

Inexcusable.

[kain279]

Nice that the Corvettes got to be the guinea pigs for the new engines.

By the time the Camaro hits the bugs should be worked out.

[pdoherty972]

Did you guys miss this?

http://www.detroitnews.com/story/bus...ites/71865642/

Imagine Target trumping Saks Fifth Avenue. Timex outshining Rolex. Chevy beating Lamborghini.
Actually, that last one should come as no surprise. The Chevrolet Corvette has added to its status as the world’s most affordable supercar as it emerged the king of the 2015 Car and Driver Lightning Lap competition at Virginia International Raceway. It outran such thoroughbreds as the $353,115 McLaren 650S Spider, $274,120 Lamborghini Huracan and $163,000 Porsche 911 GT3.


So quick was the $100,245 Z06 — Corvette’s 650-horsepower performance model — that in the nine-year history of the famed Lightning Lap only one car has ever recorded a faster time: the 2014 Porsche 918 hybrid, a carbon-fiber cyborg from the future that costs nearly nine times as much the Corvette. The $875,175 Porsche was faster by a mere 1.5 seconds.

[Memphis43]

Originally Posted by pdoherty972

Did you guys miss this?

http://www.detroitnews.com/story/bus...ites/71865642/

I think it may be the same car.


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[SuperSound]

Of note, both of C&D's C7s were Z51, which is dry sump. The 6th gen LT1 is wet sump. Not sure if that has anything to do with it but I haven't heard any wet sump motors blowing yet.

I agree LT4 issues appear to be packaging mainly. Won't know until more CTS-Vs and LT4 Camaro get out there.

[BahamaTodd]

Maybe I'm missing something, but aren't there two different issues?

There were engines that were blowing up where the problem was the metal flakes.

The other issue is with the engine not producing power. I don't think GM has done anything about that. That's what we are seeing in these media tests.

[SuperSound]

Originally Posted by BahamaTodd

Maybe I'm missing something, but aren't there two different issues?

There were engines that were blowing up where the problem was the metal flakes.

The other issue is with the engine not producing power. I don't think GM has done anything about that. That's what we are seeing in these media tests.

The first one is related to LT1s. The second to LT4s in the ZO6. Based what I've seen. So not really two issues since different engines.

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[mt3130]

Originally Posted by fastball

This mentality isn't the best. I submit that a well engineered, well built engine should last 200,000+ miles with proper recommended, scheduled maintenance.

Originally Posted by fastball

No, it doesn't. Not when you're banking your reputation on it.

This is the kind of thing that happens during R&D, not in the hands of a customer. Iron this crap out BEFORE the first one hits the showroom floor.

Inexcusable.

I agree with you that this is inexcusable, and that these issues should be ironed out already. I'm also saying that this wouldn't stop me from buying the Camaro, because I have a warranty. Additionally, my car will never be driven at its limits, making the outcome seen in the video even less likely to occur.

If it's really a concern, I'll up the warranty to $100k miles, then dump the car before the warranty runs out if I start having issues.

[chain777]

Originally Posted by Marine Corps

The engine in question is one of the best in production. I don't think Motor Trend's recent article about the engine is any big thing. Nothing human-made is going to be perfect in all circumstances all the time. "Stuff Happens".

This isn't the first time MT had a problem with the Corvette, it's the forth time.

(copied from corvette forum):

Keeping count, this is actually the 4th time that Motor Trend has had a negative report on the Z06.

1. Randy Pobst overheated the Z06 on Road Atlanta.
2. The Nissan GT-R beat the Z06 at Willow Springs. Got a bad write-up about handling. Found to be bad alignment, another car was sent later and re-tested, which did better.
3. Carlos Lagos overheated the Z06 doing timed figure-8 laps.
4. This DNF Laguna Seca article.


I think MT at this point thinks it's a big thing that Z06s keep failing.

[BahamaTodd]

Well this is seems to be more of a Z06 issue rather than LT4 since we're not seeing these problems with the CTS-V. The Camaro with the LT4 should hopefully be fine.

[oneredry]

Didn't MT state the most recent "limping around the track" caused by bad fuel? Something about the previous people who used it filled up with Chevron fuel 89 octane.