Revisit that thought when they find out it snapped some teeth off the pinion in the diff... then add that to the bill.

I love the optimistic ideas that "just an axle" lmao. That ELSD is toast.

 

A couple of C5 half shafts on sale locally; cheap; I take it they would not fit.

 

Yes we sprayed a stock car, generally speaking you pull a little timing for nitrous and a stock tune is pretty conservative so on high octane fuel its pretty low risk for the motor. Another thing that likely contributed was that 2 passes before ours they prepped the hell out of the track because Joel Grannas was going for a 6.xxx, he had to abort the run because he pulled the front end up high around the area we broke an axle so it was seriously sticky.

We started as and have always been a road race focused company but the straight line market is way too massive to ignore so we're hitting both markets with the C8. This platform has the potential to be extremely fast in a straight line, and whoever said DCT's aren't for drag racing look up underground racing and then look up Dodson Motorsport who we spoke with this weekend and are currently working on upgrades for this transmission.

We're not trying to bash GM in any way. We were on a well prepped track using nitrous on stock tires and our driver felt a little bit of hop but kept it pinned, this was a full send pass and we broke it, we'll upgrade the half shafts just in case and keep pushing this platform.

 

What was time of the first run?

 

12.1 Didn’t use launch control just left off the brake pedal. Launch control is way better

 

Any thoughts as to why the trans didn't shift on your second pass when you sprayed? That seemed very odd.

 

Maybe how fast the car went through the gear? Not sure yet.

 

so what broke? Trans or axle shaft?

 

Second that. My '10 Z06 needed an engine rebuild and my 19 M7 Z bent a wheel on each of my first two track outings which drove me to replace the crap Mexican sourced wheels with forged ones. Not saying it was this GM employee's fault BUT someone in GM engineering and management has responsibility for these things.

The C8 is a whole new ball game. Will be interesting to see how this one turns out.

 

Looking forward to hearing what broke once the car is looked at.

If any part of the trans/diff is injured this will be interesting to watch the repair

 

It’s already on a lift. We’ll have a determination in the morning, but as far as we know it’s just an axle.

 

So the car cant even take a shot of nitrous? wow guess full bolt ons without other upgrades is out of question

 

I think the wheel hop played a big role in this.

 

Do you know when they hit the nitrous?

 

2nd gear

 

and that hop is why I'm guessing it wreaked havoc on the ELSD..

I wish you luck. Just knowing what C7Z06s have been through it was the hop that broke the axle and the diff.

That diff is like a reset now.

Chevy upgraded them on 2018 As you know. This C8 diff was already well done by that time in development. And not to mention they probably didn't build them and the DCT to exceed more than stock levels given complexity and cost.

C8Z rumored to have a 10spd DCT coming. Probably all more HD at least you hope.

 

I saw the Youtube videos. The guy added N2O and raced the car well before he reached 500 miles. In his previous runs you could also hear that the C8 was not running properly which tells me that the computer wasn't happy with the fuel/O2 mix.

I also saw another video where the dyno test showed the hp jumped to 550 hp with N20 from 490 hp.

When you mistreat a car, regardless of make/model you're going to have problems down the road. My guess is that the 10,000 mile oil burners that leave a smoke trail were not broken in properly. Too many immature people out there with zero common sense. IMHO this break doesn't say anything about the C8 except the guy modding and driving it is an idiot.

 

Perhaps it is time to take a deep breath, maintain our "social distance" and see how this all unfolds. The '20 C8 is the initial release of a totally new chassis, new DCT (For Corvette use), new Global B electronic backbone - all built to a $60k price point. If were a purchaser, I would keep my car 100 percent stock because I know that no matter how much testing GM did internally, release to, and use by the public is the real final beta test. Kudos to the tuning/performance companies for investing in their C8 and taking the painstaking and probably expensive steps to explore modifications possible with an entirely new platform. Obviously, a lot of learning will be going on, and painful (costly) lessons lie ahead. It may well be that any mods of significance to this base C8 will require significant and costly upgrades to support them...or maybe not.

If I were a C8 owner, I would be content to sit on the sidelines and monitor progress (including failures) with great interest. Personally, I suspect that this car may be built as close as practicably it can be from GM's profit and warranty standpoints. But in reality, I don't know, you don't know and LGM does not know (yet).

Meanwhile, I am content to own my '19 M7 Z and witness (for now) the undoubted evolution of this new platform.

 

If you ever owned a vette or any other sports car you would know that these cars will see more 1/4 tracks than course tracks.

 

First off the computer can’t be tuned yet and it was a wet system so the fuel/nitrous jetting is designed not to change afr so you’re just flat wrong there.
Nitrous was only used once on the dyno before the car reached 501 miles. NA was 457 and on spray it was 552 so your “information” is wrong there too.
Please realize this is a R&D car that will end up twin turbo with a built engine & transmission we’re not idiots we’re pushing limits at every level until we get there. You seem very much like a wax/ car cover guy so I wouldn’t expect you to understand that.