i think the newer engines recommend 5w30 for all-around usage. the 2.7 doesn't have as sloppy tolerances as the old 22R, so the thicker stuff might not have any benefits.


'79 sport 4x4 longbed <img src="/forums/images/graemlins/smile.gif" alt="" />
20/22R hybrid with EB's OS valves, 268c cam, offy intake, weber 32/36, thorley header, 5 speed swap, 34" LTBs, downey 3" springs, marlin hysteer, 4.88s and locked

'91 4x4 shortbed
22R-E, W56, the dd!