I am an engineer from good old Blighty and I know that engineers can
be wrong. I bought a new Maserati Biturbo and found that 2nd gear
sucked. I heard Alfa Romeos had the same problem but had solved it by
using ATF so I tried it. Worked beautifully and my gearbox worked
like a Swiss sewing machine for years. So the engineers were wrong
and recommend the wrong oil. One consideration is that modern
machinery means closer tolerances which effects any reconditioned
engine that has had the bores, pistons, and piston rings
done. Another consideration is that oil, petrol, and grease have
changed since MGBs were pups.
At 06:03 AM 4/27/2012, Charley & Peggy Robinson wrote:
One of the phenomena about our LBCs is the that everybody has
his/her own idea about the fluids to use in the things. Seem like
the factory manual has to be superseded by "facts." So, the factory
manual says to use engine oil in the transmission &
overdrive? Nuts! Folklore sez that ain't right! Let's put (fill
in the blanks) in it!
Sheesh, I can remember when there was a long thread on this list
about whether to use detergent oil in the gearbox or not. Someone
came up with the bright idea that the detergents would harm the synchros.
Me, I figure that the engineers who designed the gearbox might know
what lube to use in it and they said so in the manual. My
gearbox/overdrive has Castrol 20W50 in it. Been running that way
for many years.
OOPS! I'm now using Valvoline Racing oil in the engine for the ZDDP
content. Yikes! Maybe I ought to replace the oil in the tranny!(?)
And so it goes..........
CR
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Regards
Barrie
barrie@look.ca
(705) 721-9060
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