You know, we used to have a couple of '98 EXT 580's, they were always consistantly faster than the '98 ZR 600's that we had. I mean, not even close, seemed like the EXT's chassis's had so much less rolling resistance. Plus, I believe that 98 was when they put the Triple Port exhaust on the 580 motor, may have woken it up a little???
Anyway, I'm done rambling, take it for what its worth.
You don't have a chance..sorry to tell you.
On pure ice a xc600 ran dead nuts w/ my f7 up til 60 mph...at that point I was all hooked up and blowing by him..but I changed my studs around now so it wont happen again ^_^
btw--I had a zl600efi and my buddies xc600 beat it pretty easy..and his xc stock ran dead even w/ a viper toa bout 85 mph on hardpack.
I'll hand it to polaris--they have the strongest 600 until the f6
The XC 600 beat me but not by much probly like 50 feet after a like 2/3 - 1 mile pond it was way closer than i thought hey if it kept up with ypu F-7 in the start than you got problems because i smoked the XC 600 out of the start with my Zr 580
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