Originally Posted by Zxces50

Did Monticello Motor Club NY the other day (3.5 mile) which has real long mile plus straight- just put it to the floor and ran up thru the gears- on previous track days really no idea on speed focus on tach - so I down loaded IPhone top speed app and let it record- on the street/ highway was very accurate- on the track it recorded top speed of 166.9 MPH- a little suspicious of accuracy but on the the street is was nuts on so not sure why higher speed would introduce error- understand electronically limited 155 or so - assume the "acceleration" momentum would carry thru the fuel cut off - I still doubt 166.9 a bit but I was flying- only mods- Stillen G3 CAI, Stillen Cat Bac, Stillen 19 Oil Cooler, Hawk Brake Pads/ SS lines & Blue