Quote:
Originally Posted by SouthArk370Z
Tire compound and tread pattern have a big effect on tire slip/noise at extreme angles. This may (or may not) be why y'all didn't notice it on other cars. It happens to all cars; just not very noticeable on many.
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That is true; however, in this case, both my 350Z and 370Z were equipped from the factory with the same Bridgestone RE050 tires, just in different sizes.
As I pointed out in an earlier post, the only major difference between the two cars is their caster specifications (about +7.0 for the 350Z, but about +5.0 for the 370Z). More positive caster, among other things, equals more heft in the steering and a feeling of more stability; less positive caster equals less heft and a feeling of quicker turn-in. Driving both cars back-to-back will reveal this immediately.