launch mode
Thread Starter
Racer
Joined: Feb 2017
Posts: 432
Likes: 188
From: powder springs georgia
launch mode
My friend came by yesterday and asked me if I had tried the launch mode..I had totally forgotten about that feature..He said it will blow your mind...
So my question is do i need to wait till I get 1500 miles on her before I try this????????
I have almost 900 miles... I know you need the 1500 miles for track but this is a lot of stress on her, so I am thinking I should wait...Imput is appreciated..
So my question is do i need to wait till I get 1500 miles on her before I try this????????
I have almost 900 miles... I know you need the 1500 miles for track but this is a lot of stress on her, so I am thinking I should wait...Imput is appreciated..
Popular Reply
Jan 25, 2022, 10:22 AM
E-Ray, 3LZ, ZER, LIFT
Joined: Sep 2007
Posts: 34,948
Likes: 12,362
From: NE South Carolina
With DCT issues having torque through both clutches that only occurs in Launch mode puts extra stress on DCT parts.
GM says wait for 1500 miles before Tracking for a reason.
Just Sayn’
E-Ray, 3LZ, ZER, LIFT
Joined: Sep 2007
Posts: 34,948
Likes: 12,362
From: NE South Carolina
With DCT issues having torque through both clutches that only occurs in Launch mode puts extra stress on DCT parts.
GM says wait for 1500 miles before Tracking for a reason.
Just Sayn’
Melting Slicks
Joined: Sep 2020
Posts: 2,833
Likes: 2,151
From: Kelso, Wa
It's not the engine that needs the breaking in for 500 miles or 1500 miles.. it's the tranny. All those gears need to ---for lack of better term-- learn to mesh with one another.
I'd wait for 1500. ...
Will you "hurt" anything? .. Nothing that will show up IMMEDIATELY. .. If you're not planning on keeping the car for 50,000 plus miles, go ahead and abuse it.
I'd wait for 1500. ...
Will you "hurt" anything? .. Nothing that will show up IMMEDIATELY. .. If you're not planning on keeping the car for 50,000 plus miles, go ahead and abuse it.
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Race Director
Joined: Aug 2016
Posts: 12,768
Likes: 10,201
From: Garden Valley CA
Its a grey area on whether or not you are supposed to use launch mode before 1500 miles. Even if you do it is unlikely to cause problems. And if it did cause problems it would be hard to tie it to using launch mode prior to 1500 miles.
But I was patient and waited until after 1500 miles to be sure.
But I was patient and waited until after 1500 miles to be sure.
Safety Car
Joined: Jan 2021
Posts: 3,658
Likes: 1,939
Some debate about this but I’d wait till 1500 miles. It may not break immediately but that doesn’t mean it’ll last as long either, if you haven’t heard, DCT reliability on C8’s aren’t exactly it’s strong suit.
The way the owners manual is written, any failure prior to 1500 miles gives GM an out not to cover a replacement since it stresses no track use prior to 1500 miles and launch control is claimed in the manual to not be used on the street.
The way the owners manual is written, any failure prior to 1500 miles gives GM an out not to cover a replacement since it stresses no track use prior to 1500 miles and launch control is claimed in the manual to not be used on the street.
Safety Car
Joined: Jan 2021
Posts: 3,658
Likes: 1,939
They do think things will break which is why they say to avoid track events till 1500 miles. Any violation of which can result in being turned down for a warranty claim. I don’t know for sure, but I’d bet that’s something they can easily pull from the computer.
Safety Car
Joined: Jan 2021
Posts: 3,658
Likes: 1,939
Safety Car
Joined: Jan 2021
Posts: 3,658
Likes: 1,939
That’s also why I wouldn’t buy from a flipper.
Safety Car
Joined: Nov 2007
Posts: 4,433
Likes: 873
From: Bay Area CA
Redline is not govern at 3500 rpm. The tach red line lights change at 500 miles. The 10% or 15% less torque below 500 miles is more due reduction of timing, thus protecting the drivetrain from full torque load until 500 miles.
To the OP: I waited until after 1500 miles which is when I changed the engine oil and filter, then tried launch control.
Last edited by Mike's LS3; Jan 25, 2022 at 12:31 PM.
Pro
Joined: Jan 2014
Posts: 703
Likes: 357
Some debate about this but I’d wait till 1500 miles. It may not break immediately but that doesn’t mean it’ll last as long either, if you haven’t heard, DCT reliability on C8’s aren’t exactly it’s strong suit.
The way the owners manual is written, any failure prior to 1500 miles gives GM an out not to cover a replacement since it stresses no track use prior to 1500 miles and launch control is claimed in the manual to not be used on the street.
The way the owners manual is written, any failure prior to 1500 miles gives GM an out not to cover a replacement since it stresses no track use prior to 1500 miles and launch control is claimed in the manual to not be used on the street.
Not too much of a legal out when you begin a section in that way.