Good point - will try it in fourth next time. It just seemed to give up at about 105, I figured I'd hit fuel cutoff. I had heard that manufacturers limit the top speeds of their cars based on what the tire was rated for and just figured that was the case with my car.
Oh, also meant to say 50-series tires when I was talking about the Probe. My Accord has the 195/65-R15 tires.
Thanks all for the responses... I look forward to talking with you all in the future, I've been playing with Probes for a while now (I owned two) and am anxious to try some of the aftermarket Honda stuff. I'm hoping to do some of the basics (suspension, wheels, intake, exhaust) and maybe eventually forced induction.