The first 8 characters of the chip's USB serial. HydraFlash shows it in its status bar. It is the key for .hcf files and never leaves this browser.
Accepts .hcf, .efu, .bin
A .hcf from HydraFlash (needs the chip serial), a PHP library .efu, or a decrypted .bin.
Load a base tune to edit the idle speed.
No tune loaded
Upload or select a base tune to set the tires on the truck.
No tune loaded
Upload a .hcf or pick a PHP library tune to see its shift points and idle speed.