C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

FlashHack-TunerPro Advice

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Old Sep 12, 2025 | 09:49 AM
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raymondlee306's Avatar
raymondlee306
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Default FlashHack-TunerPro Advice

Hi,
I've been using EEhack to monitor my trips with no problem but I want to make some slight changes to the idle speeds. I've also read my cars BIN file with FlashHack a couple times to make sure it works. I'm not looking to performance tune it (yet...) just adjust the factory low idle about 50-75 RPM's. I've watched a bunch of videos and am hoping someone can confirm if my steps I plan to take are correct?

1. Hookup car to USB and start FlashHack
2. Read the BIN file
3. Save 2 copies of BIN file (one for a backup) and disconnect car from computer
4. Open BIN file and proper definitions in TunerPro
5. Make changes to Tables as needed
6. Save the BIN file
7. Reconnect car and start FlashHack
8. Load the updated BIN file
9. Write the file to the car.
10. Disconnect, turn key off, then start car and test

Does that sound correct? Anything important I'm not thinking of? None of the videos I found explained the whole process in one shot so I pieced that together from a couple of the popular ones like Strong Speed Works.

Thanks in Advance!
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Old Sep 12, 2025 | 10:59 PM
  #2  
FrankieD's Avatar
FrankieD
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FlashHack is a very robust program. Much thanks and appreciation goes out to Steve Haslin for developing FlashHack and EEHack for supporting the Corvette Community with such great tools.

As for your steps they look great.

The only other things I personally do and might not make any difference is to make sure the battery is in good charge shape. I also make sure everything in the vehicle is turned off, such as Radio and AC Controller.
Also, while it is uploading the new Tune I make sure not to do things like touch the window controls and or open/close the doors.

You should be good to go.
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