PPRuNe Forums - View Single Post - TOP GUN : Inside the RAF (where did it go?)
Old 2nd Sep 2023, 15:23
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superplum
 
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Originally Posted by NutLoose
OMD ( oil mineral detergent )15 was hyd fluid.
OM15 and OX38 come to mind as does OMD110 used on my 1954 Beetle at Gutersloh. No oil changes required, it dripped so much it just needed frequent topping up.
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