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Originally Posted by SCCA_AX
I've been lurking here myself for the same reason. From what I can tell, best ticket would be an 03-04 non-PSM car. PSM is too intrusive for AX. And I hear that the late motors have better midrange.
Still think think the ND is going to be the car on 99% of courses, but it might be close enough to give it a shot. Good luck.
I found a thrust chart someone made, little Miatas have some poke where it counts:
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Thanks for the chart! I had made one of those myself but couldn't find any different torque curves between the 00-02 and 03-04 cars. About the only useful piece of info I've found to add to that is that that the earlier cars seem to be 55-60 lbs lighter. That said, I've found weights all over the map.
I think you're right about the Mazda -- it's likely the better car on many AX tracks. Especially if it's slow and tight. If the course is a little more wide open and fast, with fast sweeping turns...maybe the Box has a chance. Both courses at last years nationals seemed to be pretty fast if I remember them right. All of this is strictly academic, though, since I'll go out and drive like an idiot. Add in the idiot penalty and I probably couldn't get a GT4 around faster than a NA Miata.
In any event, it seems like a fun thing do try to build up and give it a try. Maybe, if I can find a car, at nats there will be this lone Boxster among a sea of Miatas hooning it up.