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Post by robbiesolesbee on Mar 28, 2013 11:09:23 GMT -5
I'm planning on doing mods to the Mustang towards the later part of the year. I see the Street Touring classes and the all have a suffix. ie, "STX", "STU", "STR" ect. What does the 3rd letter mean and how would I class my car accordingly. I looked up the Solo rules for ST and it never really says how to designated ir a R,X,U ect. The mods I'm looking at are subframe connectors(bolt on), a three point tower brace(bolt on). and 17x9 wheels, and lowering the chassis for starters. Would this be street touring or something else. Are these open classes or is a PAX factor involved?
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Post by Frodo on Mar 28, 2013 12:07:41 GMT -5
They are open classes. The only PAX classes are Pro, Novice, Tire, Road Tire, Lady and Intermediate (which is just a local PAX class). The Street Touring classes compete like any other open class where your raw time determines your position in class.
STF- Street Touring FWD (as the name implies, newer FWD cars. Mini Cooper, Mazda 3, non-Si Civic, Toyota Yaris, Mazda 2, Ford Focus non SVT etc.)
STC- Street Touring Compact (older compact cars. Acura Integra, Dodge Neon, Nissan 240, Nissan Sentra etc.)
STS- Street Touring Sport (4cyl BMW Z3, Honda CRX, Honda del Sol, Mazda Miata up to '97, Pontiac Fiero, non-turbo Mazda RX7. Pretty much everything in that class.)
STX- Street Touring Extreme ('Sporty' versions of of other naturally aspirated Street Touring cars. Acura Integra Type-R, Dodge Neon SRT-4, Honda Civic Si, Hyundai Genesis 2.0T, Mazdaspeed3, Ford Mustang up to 5.0L, Mini Cooper S, Subaru Imprezza WRX, Subaru Legacy GT etc. Also newer sedans and coupes with 4 seats with 3.1L-5.1L naturally aspirated or up to 2.0L forced induction. And odd cars like the Mazda RX8)
STU- Street Touring Ultra (Higher end and more factory prepared cars. Generally OEM forced induction, but not necessarily. Mitubishi Lancer Evolution, Subara Imprezza WRX STi, Subaru Imprezza WRX '09-'13, BMW M3, Chevy Camaro 5.0L<, Ford Mustang 5.0L<, BMW 135i etc. These cars have big displacement or forced induction of some kind. Maybe both.
STR- Street Touring Roadster (As the name implies this class is for roadsters. Honda S2000, Pontiac Solstice, Pontiac Fiero, NB and NC Mazda Miata MX-5, BMW M Roadster, BMW Z3 6cyl/4 non-turbo and non M, Datsun Z's, Nissan 350Z, older Porches, many Mazda RX7.
By the sound of it your Mustang would be in STX. If I remember correctly your's is less then a 5.0L
Hope it helped.
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Post by robbiesolesbee on Mar 28, 2013 12:54:02 GMT -5
Thanks Josh. That explains alot. Now just to get the goodies. A surgery I having done in May ate my spring budget. I'll miss the Metrolina event unless AJ will let me drive on pain killers.  |
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Post by ball80 on Mar 28, 2013 14:29:08 GMT -5
Look on forums. I have gotten crazy deals. Someone has springs they were too lazy to install that wants to sell them.
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Post by integra55 on Mar 28, 2013 15:12:35 GMT -5
I'm planning on doing mods to the Mustang towards the later part of the year. I see the Street Touring classes and the all have a suffix. ie, "STX", "STU", "STR" ect. What does the 3rd letter mean and how would I class my car accordingly. I looked up the Solo rules for ST and it never really says how to designated ir a R,X,U ect. The mods I'm looking at are subframe connectors(bolt on), a three point tower brace(bolt on). and 17x9 wheels, and lowering the chassis for starters. Would this be street touring or something else. Are these open classes or is a PAX factor involved? you'll find out as you pursue this that the SCCA web site itself is a major PIA plus you'll find out that the classification/rules are just as big a PIA ... but start here (page 181) to find which class your car will fall into scca.cdn.racersites.com/prod/assets/2013%20Solo%20Rules.pdf then starting on page 71 you'll find the allowed mods for Stock. keep these in mind, since often the ST rules will refer to them, then move on to page 81 for ST specific rules good luck ( hint: alcohol helps ;D ) |
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Post by cr89x on Mar 28, 2013 15:36:26 GMT -5
Your Mustang under 5L is STX up to 9" wheels and 265 tire width
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Post by illbebetter on Mar 28, 2013 18:17:46 GMT -5
Adding a three point brace is not allowed in ST classes unless you are replacing an existing three point brace. The rules for sfc's are very specific. Check with someone who knows before you buy.
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Post by integra55 on Mar 28, 2013 19:17:36 GMT -5
that's why I gave him the link to the rules ... better to read what you can/can't do than to depend on the multiple us to tell him ...
after he's gone through the rules and becomes completely confused.... LOL ... than we'll try to help
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Post by robbiesolesbee on Mar 28, 2013 20:32:12 GMT -5
Adding a three point brace is not allowed in ST classes unless you are replacing an existing three point brace. The rules for sfc's are very specific. Check with someone who knows before you buy. If I understood the rule correctly I can install a two point strut tower brace? |
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Post by Frodo on Mar 29, 2013 0:09:31 GMT -5
Adding a three point brace is not allowed in ST classes unless you are replacing an existing three point brace. The rules for sfc's are very specific. Check with someone who knows before you buy. If I understood the rule correctly I can install a two point strut tower brace? Yes those are allowed. I have one on my Mazda. |
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Post by cr89x on Mar 29, 2013 12:02:17 GMT -5
Strut tower braces are allowed as long as they mount in two places, factory trianglated three points are allowed.
From memory, sub frame bracing is allowed as long as it does not mount in more than three points, it may be two.
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