The higher the engine speed, the more your transmission syncros have to brake in order for the gears to synchronize or engage the same speed. Different fluids have different friction modifiers to allow the sycros to have more friction, thus allowing the gears to slow down faster.
How hIgh of rpm are we talking here?
Quote:
Originally Posted by 96GST16g
mr. 400 my tranny shifts real hard at high RPMS, do u have any good idea to why?
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