need info on my truck

[68GMC454]

unfortunatly i may have to sell my baby.my 84 3/4 with a 454...the problem i got is the price of gas will kill me on selling this one i think...since i got hurt in december im hurting for money, also got to sell my 68..man when it rains it pores..i hate to sell the 84,,ive had it for 4 or 5 yrs now,,good truck,,needs a upper arm on the right side,,but i would get in it and drive it across country in a heart beat..i will post it on the clssifieds in a day or so,,just need a good idea on a good price for it,,while i may need money,,im not giving it away either...