This is the Eneos I put in my manual trans. which calls for either GL 4 or 5. I think it has changed from the older Eneos talked about before. It seems to say for synchromesh is ok because they use less ep additives due to the advanced synthetic oil. Wonder what the gear oil experts think. It shifts very well with it.
ENEOS GEAR OIL LSD SYNTHETIC
ENEOS GEAR OIL LSD GL-5 75W-90 is fully synthetic gear oil using the latest technology that ensures superior performance in every area required of differential gears, including LSD (Limited Slip Differential). The base oil and additive technology in ENEOS GEAR OIL LSD assures excellent...
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