Motor oil in a gearbox is not really that strange a concept. My 1988
SAAB 9000S used 5W-30 in the gearbox. Most motorcycles share a common
oil sump for the gearbox and engine.
Whether this is better than gear oil, I can't answer.
Jack Brooks
JIBrooks@JUNO.com
On Wed, 14 Aug 1996 20:45:22 +0000 Paul Nicklin <PAUL@gt66.demon.co.uk>
writes:
>On a spitfire/herald/gt6/vitesse etc you shouldn't use a GL5 spec oil
>in the diff because it contains something that
>attacks the copper thrust washers ( According to JK's catalogue )
>worth checking for a TR6.
>
>Engine oil in the transmission? Well it was done in a Mini and Metro
>(crappy mini successor you Americans were mercifully spared!) but I'd
>suggest ordinary Gearbox oil (Laycock say no to Hypoy oils but I've
>not heard it's a problem)
>
>Paul Nicklin
>70 Spit 3, awaiting restoration
>72 GT6 almost finished
>78 Spit1500 - "Fix it when it fails"
>
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