Quote:
Originally Posted by Dimman
I thought the IS300 had an aluminum-cased W58? Or is that what the W55 is?
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The W58 is also aluminum case, the W55/W58 are the same design, just different gear ratios. Depending on the year, there are various synchro/gear/shifter differences, however the difference between a W55 and W58 is the gear ratios.
Jeff