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Jul 15, 2008 | 10:54 PM

2007 C6

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Joined: May 2006

Posts: 65

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From: Portland OR

Uninformed

Just what is a TUNE. I know it makes your car run better. But what is a TUNE. And what does it do for your car.

Jul 15, 2008 | 11:33 PM

LS1LT1

Team Owner

Joined: Feb 2001

Posts: 27,255

Likes: 137

From: Short Hills, NJ

This is a brief overall synopsis of what can be 'tuned' or altered and what tuning is (taken from HP Tuners website):

Here is just a basic summary of some of the things you can edit with our package. A complete list would be quite lengthy.

The exact parameter set for your particular application may be different. Due to the number of applicaitons we support, we cannot list all of the supported parameters on a per application basis.

Engine
EGR, Air Pump, COT Enable/Disable and controls
Rev Limiters, Idle Speed and characteristics
Throttle Follower and Cracker
MAF Tables, Main VE and Cranking VE
Power Enrich fuel controls
Closed Loop/Open Loop characteristics
Injectors
Spark Advance and Retard

Engine Diagnostics
MAP Error Values
MAF Error Values
Misfire Values
DTC's

Transmission
Shift Speeds
Shift Firmness and Time
TCC Parameters and Tables
C.A.G.S.

Transmission Diagnostics
Trans Slip Test Conditions

System
PRNDL Flag
Fan Type Select
VATS
Fan On/Off Temps
A/C Parameters

Speedometer
Speedometer
Speed Limiter

Jul 16, 2008 | 12:00 AM

catpat8000

Pro

Joined: Oct 2004

Posts: 546

Likes: 1

From: CA

Quote:

Originally Posted by 2007 C6

Just what is a TUNE. I know it makes your car run better. But what is a TUNE. And what does it do for your car.

I recently read a book about tuning engines which taught me a lot and which you may find interesting:

Engine Management Advanced Tuning by Greg Banish.

It's all about tuning late model engines.

Pat