done a search but couldn`t find it.
i`m fitting new diff to my fd. what oil should i use in the differential?
thanks
You need the exact oil spec from Mazda. (Handbook). However I use the correct grade of Valvoline SynPower fully synthetic gear oil in the gearbox and diff of our FB.(75-90 Grade). Very quiet and smooth with it in.
we have supplied 75w90 Max Gear for several cars.
http://www.rotaryart.uk.com/acatalog/Royal_Purple_motor_oils_Max_Gear.html
Just put in Silkolyne Pro-R 75-90 I think it is, the race gear oil in both diff and gear box and it\'s superb, made a huge difference! I can now change gear when it\'s cold and once warmed up it\'s all silky smooth, nice :D
Depends what you want with the car and power outputs normal 75w90 is fine but if moneys no object then go with a full synthetic. Unless you\'ve an aftermarket plate type diff and then you need a wet clutch type oil.
Kevin
car running 343bhp at fly, standard diff, so fully synthetic 75w90 gear oil is best then??
yes def go fully syn
just a quick Hijack...
what oil should I out in my diff... its apparently a "FEED spec 2 way diff" (no idea what the FEED spec bit refers to - are their diffs different?)
anyway, what spec oil should I put in it...
sunflower :)
Quote from: m4drxsunflower :)
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