Simon TR4a
Jedi Knight
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There has been a bit of discussion recently about Spec Miata diffs running temperatures up to 300-325 degrees F, because like the TR diff, they hold less than a litre of fluid.
I know there is a finned alloy rear cover available for TR2-TR6 with slightly greater capacity, but no idea how much of a problem this is for a "fast road" car used for lapping days.
I do know my old diff developed a whine over a period of 9 years so I have replaced it, and made a drain at the bottom of the rear cover to make fluid changes easier. Is this enough?
Simon.
I know there is a finned alloy rear cover available for TR2-TR6 with slightly greater capacity, but no idea how much of a problem this is for a "fast road" car used for lapping days.
I do know my old diff developed a whine over a period of 9 years so I have replaced it, and made a drain at the bottom of the rear cover to make fluid changes easier. Is this enough?
Simon.