02 gtp 1.0 zzp tuned pcm from my 02 gtp for $80 shipped. im in victorville California.
Tuned pcm for grand prix. Gtp 97 03
Works great with stock or modded grand prix gtp. For stock injectors stock gears stock cam only but other mods supported. Tuned for better shifting more fuel to lower knock fan settings including fan on when car off 160 or 180 thermostat speed limiter removed and so much more Car has over all better response and performance