
Originally Posted by
whitehillbilly64
What oil do you use in these ( EP90 ) which brand ???? is it all the same ???? easy if it is.
As John said, EP90, but you'll find EP75W90, EP80W90 or similar which is a bit thinner when cold but does the same job.
Try and get a GL4 spec. oil.
GL5 uses a different high pressure additives and some can cause problems with bronze bearings. The blender I buy from claims his GL5 is OK but still then supplies me with GL4.
Colin
'56 Series 1 with homemade welder
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