I could tell you if you have posted a series number like 4000. the stock engine in the little ones was the 305B or 305C Big Block V6. if its a bite bigger then you mite find a 351C or 401 V6.
The trans would be the SM420 if its a 4-speed, or maybe a NP540 if a 5-speed.
Last edited by Jolly; 01/08/2008 9:18 AM.