Quote:
Originally Posted by mbar
Thanks for the info. I thought the car /computer might go bananas if the overall wheel diameter significantly changes
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The bigger problem is differences in tire revs per mile, front vs rear. Differences that are too big (compared to OE differences if the OE setup is staggered) can make the ABS module think that the smaller diameter tires are closer to lock-up than is actually the case. If there's a maximum deceleration rate, it's going to be way up there.
265/40's on 9.5" wide is not a 'stretch' (9.5" is actually the "measuring width" for that size in any diameter). Change your '19' to '18' and you've got my DD setup. Which if anything, is a bit soft-responding and less precise compared to what I do run on the track with - even though the tread widths are the same.
Norm