2017 Stingray issues
Thread Starter
Heel & Toe
Joined: Dec 2017
Posts: 18
Likes: 4
2017 Stingray issues
I took a new Stingray (LT1)to a highly rated custom shop. Had and A&A supercharger and Kooks headers put on and then Dyno tuned. Asked specifically about the transmission and if it needed any upgrade. Was told no. 2 weeks later, transmission is acting up. Oh, we need to send the module off to be tuned. There is a throttle body issue with it sticking when driven hard between 3rd and 4th in either mode they duplicated but did not fix. Picked it up last week after they had it 2 weeks. Everything supposed to be good. Same throttle body hiccup AND last night at 165 mph, it blew something! Fire out the wheel wells, oil everywhere, painted bubbled, etc. Hobbled it home at 1000RPM because any higher it you could tell there is a serious balance issue. Any ideas as to the most likely cause?
Burning Brakes
Joined: Dec 2015
Posts: 1,096
Likes: 322
From: Denver Colorado
Yikes, sounds like a total engine failure. First thing I'd do, is get under the car and see where the oil came from, you might find a big *** hole in the side of the engine block.
Then, I'd start looking at new longblocks to get an idea of what kind of repair cost you'll be looking at.
Then, I'd start looking at new longblocks to get an idea of what kind of repair cost you'll be looking at.
Racer
Joined: Feb 2001
Posts: 347
Likes: 119
From: Henderson NV
You just learned that a highly rated custom shop doesn't know more about building performance sports cars than GM engineers do. You killed your car, and the warranty is gone. You'll probably have to fight it out with the shop, and my bet is they'll tell you you blew it up yourself by going 165, or that you over-rev'd it.
The faster you make it, the faster you break it...
The faster you make it, the faster you break it...
Burning Brakes
Joined: Oct 2017
Posts: 883
Likes: 407
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Tech Contributor
Joined: Oct 1999
Posts: 41,066
Likes: 9,834
From: Charlotte, NC (formerly Endicott, NY)
How many rpms was the engine turning at 165 mph? Just throwing a supercharger on the engine doesn't safely let the engine rev any higher than the stock limit. Sounds like lots of power from a supercharger along with excessive revs and bottom end let loose.
Amazing it would even run enough to get you home. In fact it is amazing you didn't have a serious accident from spinning in your own oil or due to a locked up engine causing the rear wheels to slow a lot thus spinning the car.
Bill
Amazing it would even run enough to get you home. In fact it is amazing you didn't have a serious accident from spinning in your own oil or due to a locked up engine causing the rear wheels to slow a lot thus spinning the car.
Bill
Thread Starter
Heel & Toe
Joined: Dec 2017
Posts: 18
Likes: 4
How many rpms was the engine turning at 165 mph? Just throwing a supercharger on the engine doesn't safely let the engine rev any higher than the stock limit. Sounds like lots of power from a supercharger along with excessive revs and bottom end let loose.
Amazing it would even run enough to get you home. In fact it is amazing you didn't have a serious accident from spinning in your own oil or due to a locked up engine causing the rear wheels to slow a lot thus spinning the car.
Bill
Amazing it would even run enough to get you home. In fact it is amazing you didn't have a serious accident from spinning in your own oil or due to a locked up engine causing the rear wheels to slow a lot thus spinning the car.
Bill
Thread Starter
Heel & Toe
Joined: Dec 2017
Posts: 18
Likes: 4
You just learned that a highly rated custom shop doesn't know more about building performance sports cars than GM engineers do. You killed your car, and the warranty is gone. You'll probably have to fight it out with the shop, and my bet is they'll tell you you blew it up yourself by going 165, or that you over-rev'd it.
The faster you make it, the faster you break it...
The faster you make it, the faster you break it...
Burning Brakes
Joined: Oct 2017
Posts: 883
Likes: 407
Racer
Joined: Feb 2001
Posts: 347
Likes: 119
From: Henderson NV
Honestly, about your only recourse is taking it back to the builder and seeing if he will make it right. Hopefully, he is an honest guy, and will stand by his work. Sounds like the engine is toast, not to mention the damage from the fire. It's going to be expensive no matter how you look at it. Obviously, GM isn't going to warranty it with the mods, so it's all on the builder. Or on you if he refuses to do the repairs.
I wish you the best of luck, and again apologize for my first post. Good Luck and have a Merry Christmas...
Dan
Burning Brakes
Joined: Oct 2017
Posts: 883
Likes: 407
How about going for one of these?
http://www.gmperformancemotor.com/parts/19368622.html
It's already got all the power you could want. Of course, you'll also have to upgrade the tranny and cooling system, but all of that can be done over time.
http://www.gmperformancemotor.com/parts/19368622.html
It's already got all the power you could want. Of course, you'll also have to upgrade the tranny and cooling system, but all of that can be done over time.
Thread Starter
Heel & Toe
Joined: Dec 2017
Posts: 18
Likes: 4
I just realized my post wasn't partially helpful, and snarky when it didn't need to be. Sorry for that, and sorry for what happened to your Vette...
Honestly, about your only recourse is taking it back to the builder and seeing if he will make it right. Hopefully, he is an honest guy, and will stand by his work. Sounds like the engine is toast, not to mention the damage from the fire. It's going to be expensive no matter how you look at it. Obviously, GM isn't going to warranty it with the mods, so it's all on the builder. Or on you if he refuses to do the repairs.
I wish you the best of luck, and again apologize for my first post. Good Luck and have a Merry Christmas...
Dan
Honestly, about your only recourse is taking it back to the builder and seeing if he will make it right. Hopefully, he is an honest guy, and will stand by his work. Sounds like the engine is toast, not to mention the damage from the fire. It's going to be expensive no matter how you look at it. Obviously, GM isn't going to warranty it with the mods, so it's all on the builder. Or on you if he refuses to do the repairs.
I wish you the best of luck, and again apologize for my first post. Good Luck and have a Merry Christmas...
Dan
Race Director
Joined: Apr 2017
Posts: 13,602
Likes: 12,865
From: Virginia
By the time your'e finished you may have enough $$$$$ in it that your could have purchased a new 2019 ZR1.
Curious, where you able to get it up to 165, freeway? Be thankful as your story could have had even a worst ending.
Curious, where you able to get it up to 165, freeway? Be thankful as your story could have had even a worst ending.
