I owned a 1985 Celebrity w/ the 2.5L engine and it gave me very good
service and very little trouble. Here are specs for your truck, hope
Engine cooling: 11 Quarts U.S.
5 spd manual trans: 2.2 Qts. U.S.
NP 207: 2.3 Qts U.S. (approx.)
NP 231, 233: 2.2 Qts. U.S. (approx.)
Spark Plug Gap .060 inch
Firing order: 1-3-4-2 (no. 1 cyl. is closest to fan)
Manual Transmission: Dexron II or IIE ATF
Transfer Case: Dexron II or IIE ATF
Differential - (standard or locking) SAE 80w-90 GL-5 gear lube
Hope this helps you. Rich