Johnny76710 Posted December 2, 2019 Report Share Posted December 2, 2019 Hi I have a 1976 datsun 710 wagon 4 speed Manual transmission What kind of gear oil should I use ? Quote Link to comment
datzenmike Posted December 2, 2019 Report Share Posted December 2, 2019 GL4 rated or anything considered 'yellow metal' or safe for use with copper or brass alloy, somewhere in the 75w-90w range. Synthetic is also good BUT it tends to seep past old worn seals where the thicker stuff does not. Synthetic is 'thinner' viscosity and improves cold shifting and downshifting. Quote Link to comment
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