EMRA prep rules and ST classifications:
http://www.emraracing.org/forms/EMRA_Rules_Ver_21.pdf
and...
http://www.emraracing.org/forms/2006%20Car...sifications.pdf
Oh, WreckageBoy...are you listening ? You have a customer......
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[Lone Ranger Theme, aka
The William Tell Overture]
A fiery horse with the speed of light, a cloud of dust, and a hearty 'Hi-yo Silver!' The Lone Wreckerboy arrives to save the day!
[/Lone Ranger Theme, aka
The William Tell Overture]
Chewy, based upon what little I can tell from your post, the car you are interested in is probably
not an ITB car. Most EMRA ST-3 cars cross over to ITS. ITB tends to match up more closely with ST-5. If it appears to be a ITB car, it is probably a car with modifications not legal for SCCA that get it bumped up to ST-3/ITS. You would (most likely) have to undo those to be SCCA compliant.
EMRA has a longstanding tradition of "run what ya brung" so long as it is safe. We have a system of allowable "bumps" that allow for modifications above and beyond those allowed in the rule set, such as non-OE brakes, engine swaps, cams, and / and forced induction. This leads to interesting combinations like rotary powered Spridgets, V8 Miatas, and any number Honda bastardizations running in a variety of classes that on face value they would not appear to belong in.
If you want, please feel free to contact me at chieftech at emraracing dot org and I can answer any questions you may have, or perhaps tell you anything I might know about the car in question.
ON EDIT - Though John posted links to the current EMRA guide, there is one glaring error in there regarding classifications. We changed the numbering system two years back and the change never made it to the final version. Kinda sloppy, I know, but I'm not employed by Random House either. Either way, the class listings are all off by (2). Ergo, ST-3 is now ST-5, ST-2 is now ST-4, etc., etc., etc. Either way, contact me and I'll be happy to wade through it with you and figure out what you are looking at.
(Happy Mr. Impaler? It's late and this is the best I could manage. I know it's not up to your standards. However, we will have Jell-O waiting with your name on it...)