Quote:
Originally Posted by 1SloeEm3
This issue is when the valves are closed. I have an Armytrix valved exhaust and with valves open it put out 580 WHP. Spencer actually dyno’d his car with valves closed and made under 500 a couple years ago if I remember correctly
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580whp with the g1 or g1+ charger? that sounds more like g2 or vt650 numbers. ethanol?