Synthetic oil may work on the street - I have heard people say so - but it
does not work in racing. You will burn the clutch facings out. I have no
experience with the synthetics that are not supposed to do that, the so-called
transmission synthetics, but I wouldn't want to toast my OD unit trying to
prove
that they work.
It isn't a matter of fast shifting, as I don't do that. It is a matter of
enough friction for the friction facings to grab and hold. Obviously there is
more torque to deal with on a race car than a street car.
I'm not sure that detergent oil is much of a problem. In any case I have
always used 20/50 on the street and straight 40 or 50 in the race cars. You
can't use OD for the first lap, but it means that a half hour later when the
oil
is 230 deg.+ you still have some protection.
Bill
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