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Post by disconnected on Jan 8, 2007 12:12:55 GMT -5
2006 Ford Mustang GT Convertible, 5-speed.
F Stock I know about.
What street touring class is available to me?
I am looking at Tokico D-specs and Eibach Sportslines.
Can I run STX or do I have to run STU?
E Street Prepared.
Do any of the CCR venues require a roll bar in my convertible? I know it can't be a style bar, and the 05+ roll bars are rare, ugly, and expensive.
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Post by caSSino on Jan 8, 2007 12:57:21 GMT -5
If the car is legal for any ST classes it would most likley be only STU. No roll bar is required for autocross as long as you do not use a harness.
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Post by MattP on Jan 8, 2007 13:00:09 GMT -5
If the car is legal for any ST classes it would most likley be only STU. No roll bar is required for autocross as long as you do not use a harness. As long as your wheels are less than or equal to 8" wide and your tires are not over 245mm width, you are legal for STX. The STX displacement limit is 5.1L. |
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Post by MattP on Jan 8, 2007 13:06:32 GMT -5
Also, if you want to run in STU: restrictions on wheel width are lifted and the maximum tire width is increased to 275 for FWD or RWD vehicles (but remains at 245 for AWD vehicles).
No displacement limit for non-forced-induction cars in STU.
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Post by pistonwheels on Jan 8, 2007 13:42:09 GMT -5
If the car is legal for any ST classes it would most likley be only STU. No roll bar is required for autocross as long as you do not use a harness. And there's another dumb rule I need to bring up at National..... |
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Post by MattP on Jan 8, 2007 13:51:36 GMT -5
What rule?
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Post by caSSino on Jan 8, 2007 14:27:43 GMT -5
If the car is legal for any ST classes it would most likley be only STU. No roll bar is required for autocross as long as you do not use a harness. As long as your wheels are less than or equal to 8" wide and your tires are not over 245mm width, you are legal for STX. The STX displacement limit is 5.1L. Doh thats right guess I forgot considering my car came stock with 255 tires and 5.7L displacement. |
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Post by pistonwheels on Jan 8, 2007 16:09:06 GMT -5
That its OK to run without a rollbar AND harness and use your factory seat belt. But if you want to use a harness, you need a rollbar. I think I would rather have a driver in a proper 5-point harness even if they don't have a rollbar... |
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Post by MattP on Jan 8, 2007 16:43:47 GMT -5
That its OK to run without a rollbar AND harness and use your factory seat belt. But if you want to use a harness, you need a rollbar. I think I would rather have a driver in a proper 5-point harness even if they don't have a rollbar... The rule says you can run a harness without a rollbar, EXCEPT in an open car. |
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Post by MattP on Jan 8, 2007 16:46:58 GMT -5
That its OK to run without a rollbar AND harness and use your factory seat belt. Also, are you saying that you believe that using only the factory restraints should NOT be allowed? |
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Post by disconnected on Jan 8, 2007 17:19:30 GMT -5
So what you are saying is that I can't use a harness, if I race with the top down?
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Post by pistonwheels on Jan 8, 2007 17:24:07 GMT -5
I don't know why they want to restrict non-factory restraints in open cars.
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Post by MattP on Jan 8, 2007 17:29:53 GMT -5
My understanding of the reasoning is that a double shoulder harness will not allow the occupant to slump to the side in the event of a roll over. disconnected: Here is the link to the rules: www.scca.com/_filelibrary/File/2006_solo_rules.pdfThey define 'open car' as: An open car is a convertible (with or without a full windshield), a
targa-top-type car with less than a full windshield, or a t-top-type
car with less than a full windshield.So you'd have to have some additional roll-over protection in order to use a harness. |
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Post by lagunamiata on Jan 8, 2007 17:41:22 GMT -5
So what you are saying is that I can't use a harness, if I race with the top down? Doesn't matter, top up or top down. Unless you have metal over your head (a real roof) or behind it (a real roll bar) you must use ONLY the factory restraint system. You may see an upper torso harness on some sites. Unless you have a roof or roll bar, you can't use that either. You CAN add a CG Lock - www.cg-lock.com/ - to help keep the factory belt in place.  |
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Post by lagunamiata on Jan 8, 2007 17:45:49 GMT -5
From the SOLO rule book:
3.3.1 Driver Restraints
Seat lap belts are required in all cars, and must be installed in cars with passive restraint systems that do not include a lap belt. Installation and the use of shoulder belts or harnesses is strongly recommended, however non-factory upper body restraints may only be used in open cars, cars with targa-tops in the open position, or cars with T-tops in the open position when two conditions are met:
a. The roll structure must meet either the requirements of Appendix C or Section 18 of the GCR.
b. The top of the roll structure may not be below the top of the driver’s helmet when the driver is in the normal driving position.
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Post by pistonwheels on Jan 8, 2007 17:50:19 GMT -5
Having been in a car that rolled over - I am not sure one has the presence of mind to think to slump to one side. Maybe you will, maybe you won't. (All I was thinking was, Oh Sh....).
In a variety of modern cars, such as Porsche Boxter, Audi TT, M-B SLK and other that have some form of factory-installed roll-bar or hoop, I think I would rather trust being properly belted in and the factory installation roll-bar than I would on a shoulder-harness and thinking to duck. In a MG or Miata (without hoop) it might differ. Of course, my factory-installed seat-belt in my MG is now nearly 30 years old....
It also relates to my concern that the rules imply its better to use a 14-year old factory shoulder harness in my Suzuki Swift than a 5 year, one month old 5-point camlock, 2-inch webbing seat restraint system attached to my approved roll bar...but that's a different post...
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Post by soloracer on Jan 8, 2007 20:09:36 GMT -5
Wow Martin, you have a M.G.? I take back all the bad things i said about you, lol.
T.A.? T.C. or just a "b" like me?
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Post by pistonwheels on Jan 9, 2007 9:58:19 GMT -5
A, Brust, BGT, BLE, CGT.
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Post by C4Shane on Jan 9, 2007 13:11:13 GMT -5
It also relates to my concern that the rules imply its better to use a 14-year old factory shoulder harness in my Suzuki Swift than a 5 year, one month old 5-point camlock, 2-inch webbing seat restraint system attached to my approved roll bar...but that's a different post... Yup - that gets me going too! Seems strange that I can run a factory belt that is 27 years old in my vette, but can't use a perfectly good 5 pt restraint sitting on the shelf at home b/c it is a t-top. |
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Post by C4Shane on Jan 9, 2007 13:12:23 GMT -5
Wow - musta got those just before they closed down the British Leyland Museum! |
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