I think they need to just raise the speed limit.
I may have to make me a new tune with efi live that don't have any power and has a 60 mph speed limiter.
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KYLE 
05 Chevy LLY Crew Cab LT Dually 4x4 with lots of go fast goodies!!!
Suncoast Tranny, TTS lift pumps, 5" straight pipe, and much more!!!
Send me a PM if you want more info on my mods.
EFI Live Tuned by IdahoRob!!!!