Re: 2004 GTO stocker
RJ,
I don't know but it runs E-F-G. It's a LS-1 rated at 340hp. in a GTO same engine in a Firebird is rated at 364hp. How many years do you think it will take the AHFS too figure out it's performance potential when it already knows? lol. Welcome the FI cars back to the regular stock classes.
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