Jeff Posted February 21, 2005 Share Posted February 21, 2005 Going to replace the rear diff. gear lube for 95 SC400 this coming weekend. Could I get the opinions of the best weight and and name brand to use as well as if I need any additives to help keep the limited slip working (like old whale jiz). What is the best additive by name? Synthetic lube ? Thanks Quote Link to comment Share on other sites More sharing options...
brucelee Posted February 22, 2005 Share Posted February 22, 2005 I just put in Mobil 1 75W-90 full synthetic. Good stuff. You will need two qts. No need to use additives with this stuff. Good luck Going to replace the rear diff. gear lube for 95 SC400 this coming weekend. Could I get the opinions of the best weight and and name brand to use as well as if I need any additives to help keep the limited slip working (like old whale jiz). What is the best additive by name? Synthetic lube ? Thanks ← Quote Link to comment Share on other sites More sharing options...
johnny3 Posted February 23, 2005 Share Posted February 23, 2005 I like synthetic in manual transmissions but in that limited slip diff. I'd use the Toy/Lexus OEM stuff, only 2 qts.,good for 60k or so, pretty good insurance. Quote Link to comment Share on other sites More sharing options...
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