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Originally Posted by El Tano
The overall diameter of the spare is smaller, now if you put the Temporary in the front, you are going to have two different sizes, doesn't this mess up the tranny???
I don' t understand why the don't put a full size tire...charge $100 more and the car, but give me a real wheel not a doughnut (cheap bastards, hahaha).....
So question is: Having a different size wheel doesn't ruin the transmission???
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The company line is that it is done to save weight. I too, believe it's done because it's cheaper to build this way. I bet a couple years into the product cycle, the full size spare will be hailed (by Toyota) to be an upgrade for the 2009 (or so) model.
Having a slightly different circumference spare does not affect the transmission any more than drivng in a circle. The difference in rotational speed is compensated for by the differential in our transaxales. BTW, the spare is meant to be for temporary use only.
On the trunk floorpan issue, the Canadian version has foam spacers to compensate for the different tire height when the trunk (load) floor is installed (see pjp post #13)
