How much would should i sell this truck for?

its a 1991 Chevy S-10 4.3 automatic with 2wd with limited slip the body is in fair condition kinda rusty. It runs fine just one of the freeze plugs is leaking iand i don't feel like fixing it i need a new car anyway. it has alot of new parts it has a brand new exhaust and a brand new heater core a new overflow tank and new headlights new alternator. so how much should i put on it.