August 28, 201510 yr Which oil is best to use for a Classic WRX STI Import V1 '94 model?? Thanks in advance
August 28, 201510 yr The ultimate question [emoji23] Opinions always divide. I've used shell helix and now I'm using Miller's cfs. Not saying any is best but they work for me. I get good temperatures and good pressures. I'm on 168k miles.
August 28, 201510 yr Whoops. Read as engine oil not gearbox. My bad. I have 85w90 in mine. Just gotta make sure it's EP(extreme pressure)
August 28, 201510 yr Author Just getting a new clutch fitted and changing the gearbox oil too, but the garage is saying his suppliers are saying EP and non-EP?? Not sure if either will matter?? The car isn't tracked or raced....
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