Gearbox Oil ... (Should be Buzzard ..)
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Well I have been using it now in my fairly rapid 1275 Mini for almost two years - oil pressure is still fine ! And when it's used - it's thrashed !! Also use it my 1098 Minor - and while it also gets thrashed - it's a rather less highly tuned engine - and it's oil pressure also stays right on the (slightly uprated) relief valve setting.


