[FOT] overdrive gearbox lubrication

["Andrew Gibson" <a.r.gibson@bigpond.com>]

Dear Gentlemen

I have experienced 2 gearbox failures in 2 races. 

These have been due to failure of the mainshaft thrust washer behind 2nd
gear bush.            

We believe the problem is due to failure in lubrication, and would be
interested to know what the racers using overdrive boxes are using over
there.

We have been using Castrol VMX 80

Andrew Gibson

TR3A Racer, TR4 Cruiser

Attached-Can you believe they gave the big cup to the Porca!!

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