The fully synthetic oils became popular around the same time as the FIM mandated lead free race gas.
This fuel ( 100 octane ) made more power running slightly rich with more ignition and less com.
Thus the egt numbers were way below those when running 130 octane with 18:1.
This suited the synthetic stock perfectly , contrasted to most teams who earlier had various oil sponsors but all ran Castrol A 747 - a castor based product.
So yes , as long as the synthetic is not taken near its limit , it has far superior wear and lubricating properties.
The 10X film strength comment applied to using R30 - todays castor based oils are much , much better.
Edit - that SME video showing the idiot attempt at balancing the crank was doomed from the start. There is a rule of thumb we use in 2T that when fitting a bigger pin , or stroking you should
leave 1/2 the pin diameter of material in the wheel , above the hole. They didnt do that even close , and putting all the Mallory in one web , instead of splitting it across both for each cylinder pairs
was again plain dumb. SM I must say has manned up to fix it though , a very very expensive mistake.
Ive got a thing thats unique and new.To prove it I'll have the last laugh on you.Cause instead of one head I got two.And you know two heads are better than one.
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