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 Post subject: Frame rails
PostPosted: Thu Dec 29, 2011 1:44 pm 
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Since the frame rails on my C5Z are bent and I'm taking it to a local frame shop soon to have it all straightened out... it was suggested to me to possibly cut off the "ears" so to say on my front and rear frame rails. This would be the extra frame section outside of the main impact bar front/rear. But after reading this rule in the ST rules section, I'm not sure if its legal to do that or not...

"ST1 and ST2 only (not applicable for STR1 and STR2): Every vehicle must retain its OEM frame rails (or unibody), strut towers, floorpan, and subframe. Tube-frame chassis conversion (partial or complete) is not permitted without a waiver from the National ST Director."

Comments?

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Michael Smith
2002 C5 Z06
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 Post subject: Re: Frame rails
PostPosted: Thu Dec 29, 2011 3:05 pm 
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Location: Middle GA /:\
It's legal. You are maintaing the OEM frame rails.
The "ears" are weld on bumper reinforcements.

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#27 '99 FRC
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 Post subject: Re: Frame rails
PostPosted: Sat Dec 31, 2011 11:25 am 
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Thanks... got the answer I needed. 8)

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Michael Smith
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 Post subject: Re: Frame rails
PostPosted: Sun Jan 01, 2012 9:13 am 
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Although I think your ok, I would suggest you clear any frame rail or structure modification with Greg before cutting anything.

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Steve Kane
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 Post subject: Re: Frame rails
PostPosted: Sun Jan 01, 2012 12:48 pm 
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Greg, could you possibly give some clarification on this? I think a few of us are wanting to know if this would be ok. Thank you.

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Michael Smith
2002 C5 Z06
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 Post subject: Re: Frame rails
PostPosted: Sun Jan 01, 2012 12:55 pm 
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I'd email him direct if you need a quicker response

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Ken Brewer - formerly 1994 Toyota MR2 #6 TTF, PTF, E3
2012 C6Z06
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 Post subject: Re: Frame rails
PostPosted: Tue Jan 03, 2012 8:44 am 
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THIWWOP.

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Greg Greenbaum
National TT, PT, & ST Director
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 Post subject: Re: Frame rails
PostPosted: Tue Jan 03, 2012 10:21 am 
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He is refering to the extensions used to support the OEM impact absorbers behind the bumper covers. They get smashed in with the slightest contact.

Image

More specific info about the OP's car here:
http://forums.corvetteforum.com/autocrossing-and-roadracing/2966474-project-st2-rebuild.html

Image

Image

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 Post subject: Re: Frame rails
PostPosted: Tue Jan 03, 2012 11:25 am 
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This is how dumb I am.... I had to lookup what THIWWOP meant :lol:

Thanks Scott, I meant to do this yesterday but got tied up with something else. If you need more pics Greg, I can provide them if needed.

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Michael Smith
2002 C5 Z06
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 Post subject: Re: Frame rails
PostPosted: Tue Jan 03, 2012 11:35 am 
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My sawzall patiently awaits Greg's response :lol:

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