Jever

GM needs to get this figured out. Disgrace to the Z06!

SublimeZ06

Neutered from the factory..... Wow.

6104696

I believe that the "huge" overheating issue involves the dry sump Z51's too. It's just not yet being blown out of proportion like it is here with the Z06.......

Hoonose

Oh crap! Do you have any links to it?

Of course I'll go look....

motomanvette

But what are the odds that almost every car magazine or newspaper that tests a Stingray or a Z06 has had a problem? Two Stingrays have blown their motors in journalists hands already.

Sunny_M3

Honestly, the only way to actually get GM's attention is if everyone on this forum called into customer service asking the same question about why the MotorTrend car failed? Or when an issue will come out regarding the most common issues with the car on the track?

I know most of you don't think it would work, but if enough folks did it (given that the Z06 isn't a mainstream vehicle), it might give GM some incentive to move quicker.

redtopz

What's the problem? He was still faster than most guys even down 300 hp. And on the bright side, here's your chance to go out and show your girlfriend how you can turn faster laps than a pro in the same car!

6104696

I think it might be somewhere in the megamerge or in the C7 Stingray forum. But again....IMO it is not a huge issue (except for here, among mostly non-owners) and the percentage of effected LT1's is, like the LT4's, tiny.

6104696

LOL. You go drive a Z06 anywhere near the limits. Then, after you go home and clean out your pants (either from fear or joy), come back and tell us how neutered it is.

OBSSSD

Completely and totally embarrassing for GM

Bad_AX

Who gives a damn about GM being embarrassed? How would you like to be the guy who wrote a check for a Z06 only to be pitied by the 16 year old boys who actually read Motor Trend? Now that's embarrassing!

SublimeZ06

Did you read that article?

Everything is good until the car gets hot and then the neutering software kicks in. GM is basically admitting that the car can't handle the full specs and needs this software to survive. Funny how all of this ties in with them decreasing the powertrain warranty for 2016 forward. They know long-term reliability will likely be an issue.

AFVETTE

What do we know about this Z?

1. Who provided it to M/T?
2. How many miles total?
3. How may track miles/lap's?
4. Was this Z "riden hard and put away wet" before M/T drove it?
5. Who fueled it?

Crabbers

If you're going to dig that deep for conspiracies, then you need to get the same information for every single car involved in the test. FWIW all of the cars filled up at the same station and only one had a problem

rob62

6. Was it built on a Monday? 7. How many females were involved? 8. Was a Silverado engine mistakenly dropped in? 9. Did anyone inspect exhaust outlets for potatoes? 10. Could have been an 05 with C-7 body kit.

myBailey07

Mmmmmkay, "blown out of proportion"....Yeah right...like the HPDE weekend I was at COTA and all six or seven Z06's there, including mine, were consistently abandoning sessions due to various issues, primarily either the engine or power steering overheating, while the rest of the cars kept dancing....

myBailey07

I think you'll be fine on the street. I never had any major issue on the street in my Z06 with heat and I am in Texas where it get's pretty dang hot. My Z06 was a complete dog on the track though and could get through maybe 20% of sessions.

After a year of quite a bit of street and track driving I concluded:

Z06 Street Car = BEAST
Z06 Track Car = DOG

Owner Happiness = You gonna use it as a BEAST or a DOG?

Btw, why do we say something is a "dog"? Dogs are awesome....

CPhelps

Just based on anecdotal observation I would say the number of tests with no issues greatly outweighs the number of tests with issues when you look at all the magazine and newspaper tests. Do you have any real numbers to support your "almost every" claim? I can think of 3 where the car had issues. This article where they couldn't get it to run right at all, the other MT article comparison with the GTR where the alignment was poor, and the original overheating issue they had at RA. There have been quite a few articles with nothing but good to say such that I don't believe those 3 are in the majority. Not claiming the issues aren't serious, just questioning your "almost every car magazine or newspaper test" claim.

It does appear the ECU is overly conservative in protecting the car, however as several tuners have pointed out, there are numerous tables that add and subtract timing on this car, so some of these articles that just look at one table like temperature vs. timing and draw conclusions based off of that are giving us an incomplete picture that may make it seem worse than it really is. That said unfortunately during BDC they couldn't even get the car to run long enough to get hot enough to pull timing anyway...

Busa Dave

Interesting article today https://finance.yahoo.com/news/gm-pl...130420048.html


May be one reason the budget for people, equipment and not being funded to the level they need to be.... Maybe it is good ole GM cutting the budget for Tadge and the Team....

Bad_AX

I suspect budget and time constraints had a greater than normal impact on the C7 Corvette with GM emerging from bankruptcy and the long product lifecycle of the C6. I've always wondered of the C7 was a bit of a rush job. The styling and aero bits certainly smack of money and time constraints.