Originally Posted by jtammel

Now after 2 years since my previous run in this 3/4 mile event I had a chance to run again.
2023 my crossfire srt6 was bone stock and it run 239.44 kph ~ 148.7 mph

Now in 2025 my car has Needwings Dual intake + Needwings Overdrive crank pulley kit (3-4 psi boost increase) + Needwings ECU tune (this is Eurocharged tune).
Feels significantly stronger vs stock form.
However the end result in the same 3/4 standing mile was 242.23 kph ~ 150.5 mph

I only got few mph increase in top speed at radar point so now I am wondering that could I be hitting speed limiter ?