On the weekend of March 27-28, the San Francisco Region of the Sports Car Club of America held the 46th Season Opener at Sear Point Raceway.
Competitors collected points in one of forty-three different classes that determined San Francisco Region championships.
These race groups fall into one of eight different categories:
- Production Category There are four classes in the production category E Production (EP), F Production (FP), G Production (GP)
and H Production (HP). These production-based vehicles are grouped according to their performance potential. Sports cars such as the MGB,
Porsche 914, Alfa Romeo Spider, MG Midget, etc., are most often associated with this category.
- Grand Touring Category Five classes, are identified as Grand Touring they include Grand Touring 1 (GT1), Grand Touring 2 (GT2),
Grand Touring 3 (GT3), Grand Touring 4 (GT4) and Grand Touring 5 (GT5). These vehicles are also grouped according to their performance potential.
The quickest class, GT1, features cars such as the Ford Mustang and Chevrolet Corvette, while at the other end of the spectrum,
GT5 includes the Mini Cooper and Honda Civic. These vehicles are allowed a larger number of modifications than the production category.
- Showroom Stock Two Showroom Stock categories, Showroom Stock B (SSB) and Showroom Stock C (SSC) was created by the SCCA to
accommodate performance street cars with a minimum amount of modifications required to race. Changes to these vehicles are for safety purposes.
- Sports Racers These are purpose-built closed-wheel race cars. There are four classes within this group A Sports Racer (ASR), C Sports Racer (CSR), D Sports Racer (DSR), Sports 2000 (S2) & (SS2) and Spec Racer Ford (SRF).
Sports Racers include a variety of chassis which may be constructed by the competitor or a race car manufacturer. Several chassis are available to Sports 2000 teams; however,
they must use a 2.0-liter Ford engine. Spec Racer Ford is tightly controlled, with all drivers competing with the same chassis/engine combination.
- Formula Category These are also purpose-built race cars. This category includes five classes Formula Atlantic (FA), Formula Continental (FC),
Formula Mazda (FM), Formula Ford (FF), (SF) & (CF), Formula (F500), Formula B (FB) and Formula Vee (FV).
There are a variety of rules that govern these open-wheel cars.
- Touring The Touring class was created to accommodate the new high-performance cars produced by the automakers. Touring 1 (T1)
features vehicles such as Dodge Viper, Ford Mustang Cobra R, Chevrolet Corvette, Acura NSX and Ferrari F355. Touring 2 (T2)
is the home to the Chevrolet Camaro, Pontiac Firebird, Ford Mustang and BMW M3.
- Improved Touring This category is one of the cheapest ways to go racing.
These production-based cars are classified based on performance potential.
There are eight Improved Touring (IT) divisions ITS, ITA, ITB, ITC, ITD, ITE, ITS and ITX.
- American Sedan - This division is comprised of Chevrolet Camaros, Pontiac Firebirds and Ford Mustangs.
They use the production-based chassis with modifications to the suspension and brakes.
Below are images from the event at Sears Point Raceway.
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