what transfer case do i have?
 

what transfer case do i have?? in my 71 blazer i have the old gear driven transfer case there was also one that was full time four wheel drive and the one in my 83 blazer is the chain or belt driven one. between the 203,205, and 208. wich is wich

NP205= Gear driven
NP203= Full time from the factory and chain driven
NP208= Part time and chain driven, much smaller than the other 2

Try This

http://67-72chevytrucks.com/vboard/s....php3?t=145562

NP 208 (1981-1988) also has a aluminium housing