Posted 12/6/2007 23:57 (#254300 - in reply to #254293) Subject: RE: Goodrich is aprox 90 mi NNW of Wishek. NT.
NE South Dakota
Any good brand name CI-4 diesel oil has the zinc,although the CJ-4 formulation has less ZDDP additive than the CI-4 does, it still has significantly more than any of the API rated SM passenger car oils and should provide good protection for an older engine.
More bad news for older engines.
