Need some advice

Hi guys I need some advice. So I just put on plastic skis on my 1994 vmax 600 Ie. what do you guysthink the weight would be after putting on the plastic skis it weights 510 stock. Also my friends have some sleds tell me if trio think I could be able to beat some of them. They have my one friend had a 2002 mxz 500.spother friend has a 1996 xcr 600 sp thenmy other friend has a Xlt chassis with a 650 engine in it do you think I will be able t beat any of them Also do you know any cheap mods I could do to my sled thank for any input

Need some advice