I'm not a tire expert, but I would imagine on their side would be better, or straight up but rotate them every once and a while. I normally keep mine on their side.
__________________
2011 Nissan 370z Black Cherry Sport Pkg - Daily Driver, , 1960 Morgan +4 fun car, 1986 BMW 325ES, 1998 M3 and 1996 Spec Miata - Race Cars
SUPPORT TEAM WINSOME RACING - WRL, CHUMP, LEMONS
|