Given that the two have essentially the same engine (save for the built bottom end of the Boss,) but the '15 has the IRS, if both were modified to have an equally comparable suspension/tires and power, will the '15 GT run circles around the '12 Boss 302 on the track, mainly because of the stiffer suspension and the added IRS? Or, will it be a driver's race, with the '15 GT having a slight advantage?
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