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I have a similar problem. Apparently, the P245 70R16's for the 98+ just aren't commonly in stock at some places. I wound up with 75R16's on the set of Dueler AT Revo's I bought recently.
I had Cooper Discoverers on before that and ran those at 31-32 psig. The ride may be a little softer at 26 psig but I experienced significantly poorer mpg's at the lower pressure.
I've been running the same pressure in the Duelers but have considered lowering it, especially with the snowy roads I'm driving on in MI. Lower pressure should result in more tread in contact with the pavement. Sadly, the winter grade of fuel has already dropped my average mpg from around 19 to about 17.5 (lots of road miles!) Hate to lose any more.
Thoughts?
JWS
99 LSE 4WD
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