[TR] gearbox oil results

Jim Muller jimmuller at rcn.com
Wed Aug 20 18:31:57 MDT 2008


Valvoline 20w50 racing oil in the Spitfire's OD gearbox.  Wow.  OD 
works great.  The movement feels smooth and stays the same regardless 
of the gearbox's temperature.  The gearbox still leaks to the point 
that I smell oil once the exhaust pipe gets warm.  But at least the 
heavier oil doesn't start smoking off the exhaust - that used to be 
embarrasing. :-o

You can count my vote in favor.

Now, what exactly makes this "racing oil"?  How is it different from 
any normal-use oil?

Thanks, everyone.

Jim Muller
jimmuller at rcn.com


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