stamper Posted November 30, 2009 Share Posted November 30, 2009 I have a Porsche factory trans am 924 GTR (with 3L NA motor) that I want to run in GTS next season, and I need some clarification. What exactly is the "stock uni body". In 1982 and 3 when this car ran Trans Am, the rules did not allow tube frame cars, but they defined the "tub" as the rockers/frame, cross pieces, A and B pillars and roof. On my car, all of that is original sheet metal. Everything forward of the firewall and rearward of the B pillar is tube. I consider this a tube chassis, but what would the GTS ruling be? The reason I ask is that by HP/weight it belongs in GTS5 (is an SCCA GT2 car and runs against the cup cars, which are GTS5 cars). However, if it is "tube", then it automatically bumps into GTSU, where it does not belong in terms of performance. Thanks, Scott Quote Link to comment Share on other sites More sharing options...
RSCoupe Posted November 30, 2009 Share Posted November 30, 2009 I read a definition somewhere once that said that if all added tubing was removed, and the car could no longer be driven, it was a tube frame car. Quote Link to comment Share on other sites More sharing options...
ianacole Posted November 30, 2009 Share Posted November 30, 2009 Scott, What region are you in? Without being able to see the car it's difficult to make an assessment, and I'd like to see if a Regional Tech inspector can come take a look at the car and provide an opinion. While the definition Mark provided above was in place at one point in time (I believe) it doesn't allow for the using of tube front ends (and rear ends in Porsche platforms). Do body panels, especially in the cabin area, bolt to tube or Porsche manufactured mounts (e.g. the firewall, rocker panels mounted to the floor pan, etc.)? If you'd like, you can send me photos or video highlighting the interior of the passenger compartment and I may be able to provide an answer ... [email protected]. Or, you can give me a call at 720.270.2147 and we can talk through the specifics and try to arrive at an answer. Ian Quote Link to comment Share on other sites More sharing options...
stamper Posted November 30, 2009 Author Share Posted November 30, 2009 Ian, Sent you an email. Scott Quote Link to comment Share on other sites More sharing options...
John Graber Posted December 1, 2009 Share Posted December 1, 2009 That thing sounds sweet....hopefully you'll run on the GL/MW Regions. Is it a 944S2 3.0 or a retro air cooled 3.0? Quote Link to comment Share on other sites More sharing options...
JSG1901 Posted December 1, 2009 Share Posted December 1, 2009 That thing sounds sweet....hopefully you'll run on the GL/MW Regions. I was thinking the same thing...I'd love to see it. Quote Link to comment Share on other sites More sharing options...
Lemming Posted December 2, 2009 Share Posted December 2, 2009 I wanna see pics and hear more about the car as well Tim who drives a 924s with a 3.0L NA in GTS3. Quote Link to comment Share on other sites More sharing options...
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