Kenyon, Kirby T wrote:
>
> I'm a proud new owner of an 80 Spitfire (last Friday) with over 200K
> miles.
>
> The previous owner was using the same oil in the transmission (4 Speed
> with Overdrive) that he used in the engine (Castrol 20W50). All the books
> seem to indicate something more like 90W for the trans. Does anybody have
> any ideas as to why the lighter oil and the implications of using it?
I sure don't, but maybe somebody does. 80-90W gear lube is the only
thing I would recommend for the tranny and diff. You could put it in
the engine too if you don't live in the Arctic Circle and/or you like to
have really high oil pressure even while driving through Lubbock, Texas
this month.
I'm kidding ... KIDDING ..
--
Martin Secrest
72 TR6
73 GT6
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