C8 Tuning

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Jun 12, 2025 | 08:15 AM

c5racr1

Thread Starter

Melting Slicks

Joined: Feb 2000

Posts: 3,426

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From: new orleans

C8 Tuning

So when you tune a C8, the computer needs to be sent to HP Tuners to be unlocked. When the ecm is reinstalled in the vehicle it has to be remated to the CAN bus system? How is this part done?

Jun 12, 2025 | 09:28 AM

Orion2011

Burning Brakes

Joined: Jun 2015

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From: Shelbyville Kentucky

HP Tuners unlocks the ECU. Same hardware same programming just unlocked. Plug and go.

Jun 19, 2025 | 11:43 PM

OLD_GOAT

Melting Slicks

Joined: Oct 2008

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From: Pasadena Texas

Quote:

Originally Posted by c5racr1

So when you tune a C8, the computer needs to be sent to HP Tuners to be unlocked. When the ecm is reinstalled in the vehicle it has to be remated to the CAN bus system? How is this part done?

$1,600 for HP tuners to unlock the computer, $400 for credits, $400 for laptop interface= $2,400 before the car is tuned by the dude with the laptop and put on the dyno. So figure out about $3,000 to tune the car. In for a penny, in for a pound, may as well pitch in another $1,700 to make this a true dual fuel car and get an E85 tune, which will really bump up the horsepower.

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