Vintage Ski Doo 775 TNT Trade for Newer Snowmobile

Have a Ski Doo 1971 775 TNT and 1972 775 TNT want to trade only "one" for a newer snowmobile about 2002 and up low miles,electric start,reverse,studs,about 700cc or bigger turn key and ready to use on the ITS trails up north.Polaris,Ski Doo will consider others worth around $3500 will trade up or down if yours is worth more will pay some money.
Heres a chance to own a rare vintage snowmobile and trade for one of your newer sleds.You know what will go up in value.
Please Let me know what you have for trade with details and pics first.
!!! IF its what I need then can do the same for you just don't want to waste my time or your time.Try email first.!!!
thanks (email lacrazyriver at aol dot com)cannot post an email link here but this will work