NB diff into NA - machining?
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How about gear ratio ?
I own one of the first Miata's ('89). It is in good shape but the differential is noisy.
Also I plan to do a turbo upgrade next winter and I wan't to change the diffmounts so I'd better be ready and do it right in just one transplantation. If you keep the stock 5 speed, does changing the differential change anything at all ?
I own one of the first Miata's ('89). It is in good shape but the differential is noisy.
Also I plan to do a turbo upgrade next winter and I wan't to change the diffmounts so I'd better be ready and do it right in just one transplantation. If you keep the stock 5 speed, does changing the differential change anything at all ?
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