mrgsquared Posted November 18, 2022 Share Posted November 18, 2022 24 minutes ago, Fair said: He's right - you can put "335s" or even 345s on anything, if you have the right skills... We have used this "wider tires on anything" gambit for decades. Below was my 2550 pound E36 on 315mm Hoosiers in 2008 If NASA handicaps tires with 305+ sizes, it might not work out like they had hoped. Sure, the "little cars" can do better, especially if the "big cars" all leave. Tire-to-weight ratio is what is key here. Nobody writing class rules seems to understand this, and it is BAFFLING. Physics is real, and physics matters. And yes, even a 2600 pound FRS with 160 whp got a LOT faster (2,5 sec drop at MSR Cresson 1.7 CCW) just going from 215s to 315s... And it now has 335s and a big stroker LS V8 - that bolts in. #WidePowerBand #BigTiresMatter NASA Needs to remember - if they neuter the fast cars too much over this silly 305-315mm penalty, other series beckon. We have FOUR active Time Trial series in our area. I've been running TT with NASA since 2006, but I keep finding other series to run with... NASA will always hold a place in my heart, but it is hardly the only TT option. Have a nice weekend! "Nobody writing class rules seems to understand this, and it is BAFFLING"... I'm pretty sure Greg is more aware of this than you think. Also remember that these rules need to fit BOTH ST and TT Quote Link to comment Share on other sites More sharing options...
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