Auto ss with mods
Banned
Joined: 06-20-2008
Posts: 1,682
From: Chi-Towns burbs
Senior Member
Joined: 10-04-2010
Posts: 724
From: Delaware
i've been in the Cobalt scene for 4.5 years now and have picked up a lot of good information & experience.... it's nice knowing the right people.
Banned
Joined: 06-20-2008
Posts: 1,682
From: Chi-Towns burbs
Banned
Joined: 06-20-2008
Posts: 1,682
From: Chi-Towns burbs
Senior Member
Joined: 05-13-2008
Posts: 2,075
From: Knoxville, TN
Alex already has the GMTU, I thought that disabled the learn-down function of the ECM and any power-adders, like DP, exhaust, IC piping were not affected? So if this is the case, why the additional tune?
Senior Member
Joined: 06-09-2009
Posts: 2,953
From: Clinton, Mass
Not to get past the learn down.
That "feature" is history once the GMTU or aftermarket tune is done.
The 'puter thinks it's working within certain ranges.
New gear such as IC piping puts the system out of those ranges.
The tune will dial in at whatever ranges you're dealing in now.
An aftermarket tune will even squeeze out a boatload of HP without any mods.
It's basically much more precise than the factory tune.
That "feature" is history once the GMTU or aftermarket tune is done.
The 'puter thinks it's working within certain ranges.
New gear such as IC piping puts the system out of those ranges.
The tune will dial in at whatever ranges you're dealing in now.
An aftermarket tune will even squeeze out a boatload of HP without any mods.
It's basically much more precise than the factory tune.
Banned
Joined: 06-20-2008
Posts: 1,682
From: Chi-Towns burbs
Not to get past the learn down.
That "feature" is history once the GMTU or aftermarket tune is done.
The 'puter thinks it's working within certain ranges.
New gear such as IC piping puts the system out of those ranges.
The tune will dial in at whatever ranges you're dealing in now.
An aftermarket tune will even squeeze out a boatload of HP without any mods.
It's basically much more precise than the factory tune.
That "feature" is history once the GMTU or aftermarket tune is done.
The 'puter thinks it's working within certain ranges.
New gear such as IC piping puts the system out of those ranges.
The tune will dial in at whatever ranges you're dealing in now.
An aftermarket tune will even squeeze out a boatload of HP without any mods.
It's basically much more precise than the factory tune.
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