Re: Totally right. Funny how it works - Bulletin Board

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Re: Totally right. Funny how it works
Posted by Snowmobile [Email] (#686) [Profile/Gallery] (more from Snowmobile) on Fri, 4 May 2018 12:01:34

In Reply to: Totally right. Funny how it works, Noel [Profile/Gallery] , Wed, 2 May 2018 13:32:11
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The thing that I've found is that, yes, there is the "road feel" qualities, which I agree is very subjective... but then there are also some safety issues as well in terms of how the tire behaves at the edges of normal. For a summer/AS tire in normal highway/city use, dry conditions are basically irrelevant, as you would have to be driving really fast to hit any performance limits. OTOH, highway driving in wet conditions can push some tires to the edge.

When we bought our first 9-5 (used), it had the oem pirellis (P6 I guess) on one end and Dunlops on the other. These were symmetric non-directional all seasons. All had adequate tread (6-7mm), but the car would start to hydroplane at 60mph in wet conditions (Dunlops were worse). With Michelin PSS, Bridgestone RE970AS, and General GMAX, I have never experienced any hydroplaning even at higher speeds (same car, same tire size, same rims) at any level of wear (I replace them once they get around 4mm or so).

Obviously, one needs to drive slower in very wet conditions, but I would rather have a greater margin of safety. So I look for tires that show great performance in wet conditions. Often directionals do well in that, but PSS is an assymetric tire which tops water performance testing... but that's partly because it is a fairly off the charts sort of tire in all regards.

There are of course tires more aimed at grand touring that should meet these needs also. Michelin used to have a directional "hydroedge" which was fine, and General's predecessor to the RT43 was also directional, though it sounds like RT43 is also quite good in wet (even though it is symmetric, non-directional).

->Posting last edited on Fri, 4 May 2018 12:19:03.

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