Blown engine??? Post up
Burning Brakes
Joined: Jan 2009
Posts: 1,204
Likes: 14
From: Savannah Ga
He said the cam was loose or something and it was tearing up the motor.
Le Mans Master
Joined: Apr 2010
Posts: 8,788
Likes: 164
From: Beaverton OR
I didn't see the C6 ZR1 mentioned!?
I don't recall ever hearing anything bad about the LS9! That engine was really Hand Built, and bullet proof. Too bad the car wasn't a big seller like the new mass produced$$$ SC. They've planned on it blowing some! It's mathematically accurately predictable!
Last edited by johnglenntwo; May 19, 2017 at 11:46 PM.
Drifting
Joined: Oct 2014
Posts: 1,673
Likes: 199
Ask if they are changing the oil lines and drysump as well. It's a small investment to make sure no metal shavings gets transferred to the new motor.
Burning Brakes
Joined: Jan 2009
Posts: 1,204
Likes: 14
From: Savannah Ga
Pro
Joined: Apr 2006
Posts: 599
Likes: 42
I don't know how much good it does, but on all my vehicles I use a large round magnet (designed for the bottom of oil filters). If it does any good at all it's worth the $10 cost.
Drifting
Joined: Oct 2014
Posts: 1,673
Likes: 199
This is not enough to clean oil tank (dry sump) and oil lines after a massive engine failure. I am sure the dealer would flush these components but that's not their specialty so why risk it. It's better to replace old plumbing with the motor. GM didn't have problem with this request when they replaced my Z06 motor.
Pro
Joined: Apr 2006
Posts: 599
Likes: 42
This is not enough to clean oil tank (dry sump) and oil lines after a massive engine failure. I am sure the dealer would flush these components but that's not their specialty so why risk it. It's better to replace old plumbing with the motor. GM didn't have problem with this request when they replaced my Z06 motor.
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Burning Brakes
Joined: Jan 2009
Posts: 1,204
Likes: 14
From: Savannah Ga
spoke with the dealer today, they were already planning on replacing the dry sump system and lines. Thanks again for the heads up.
Burning Brakes
Joined: Jan 2009
Posts: 1,204
Likes: 14
From: Savannah Ga
Drove the car for 3 days and it was acting funny.. turns out they're replacing the motor again. This one lasted 180 miles. The rep told me the thrust bearing failed. What gives?
This is frustrating. Bought the car in Jan with 5k miles, it's just under 10k now and has had 2 motor replacement, supercharger issues, water pump issues, a loose steering rack, etc.
Car has been in the shop 6 times.
This is frustrating. Bought the car in Jan with 5k miles, it's just under 10k now and has had 2 motor replacement, supercharger issues, water pump issues, a loose steering rack, etc.
Car has been in the shop 6 times.
Pro
Joined: Aug 2007
Posts: 696
Likes: 133
From: Central Jersey
Drove the car for 3 days and it was acting funny.. turns out they're replacing the motor again. This one lasted 180 miles. The rep told me the thrust bearing failed. What gives?
This is frustrating. Bought the car in Jan with 5k miles, it's just under 10k now and has had 2 motor replacement, supercharger issues, water pump issues, a loose steering rack, etc.
Car has been in the shop 6 times.
This is frustrating. Bought the car in Jan with 5k miles, it's just under 10k now and has had 2 motor replacement, supercharger issues, water pump issues, a loose steering rack, etc.
Car has been in the shop 6 times.
Le Mans Master
Joined: May 2000
Posts: 8,729
Likes: 1,508
From: Redmond WA
Total random guess, but it's pretty weird for a production engine thrust bearing to go!
Burning Brakes
Joined: Jan 2009
Posts: 1,204
Likes: 14
From: Savannah Ga
Wow, this is unfortunate. Is it an M7? If the thrust bearing has failed multiple times I'd start to suspect something not set up correctly in the clutch or torque tube, perhaps putting too much load on the thrust bearing.
Total random guess, but it's pretty weird for a production engine thrust bearing to go!
Total random guess, but it's pretty weird for a production engine thrust bearing to go!
Hopefully third time's the charm.
Le Mans Master
Joined: Feb 2002
Posts: 5,394
Likes: 281
From: cumming ga
Have any of you looked at thrust bearing in old design small block it was at rear of crank both halves of bearing had thrust washer made into it. New design move to center main bearing only half thrust bearing. When tolerances are to tight crank throw can hit edge of thrust bearing wiping it off allowing movement of bearing surface hello blown engine bad design. Oh it's number six connecting rod thru the block.
z51vett
Doug
z51vett
Doug
Last edited by z51vett; Jun 6, 2017 at 11:01 AM.
Burning Brakes
Joined: Sep 2000
Posts: 783
Likes: 302
From: Coral Springs Florida
Have any of you looked at thrust bearing in old design small block it was at rear of crank both halves of bearing had thrust washer made into it. New design move to center main bearing only half thrust bearing. When tolerances are to tight crank throw can hit edge of thrust bearing wiping it off allowing movement of bearing surface hello blown engine bad design. Oh it's number six connecting rod thru the block.
z51vett
Doug
z51vett
Doug