Champion Spark Plug Road Racing Classic at Road Atlanta. October 27-29, 1978
The Sports Car Club of America Runoffs
Race 1, Showroom Stock A
Mass-produced sedans and sports cars raced almost "as delivered" to the auto dealer. The minimum amount of preparation permitted includes installing safety roll bar, harness, fire extinguisher; removing hub caps and taping all lights. In other words, the cars are "showroom stock", and are often driven to the event, raced and driven home.
CLASSES: A through c, in descending order of performance.
CLASSES: A through c, in descending order of performance.
Race 2, Formula Vee
Based on 1200 cc VW components, VW steering, gearbox, suspension and wheels. Very popular with competitors as they are inexpensive and closely matched.
Race 3, G Production
Mass-produced sports cars ranging from Sting Ray to Sprite. These cars resemble showroom cars but are permitted some modifications, largely in the interest of safety and parts life. Cars are classified by performance, not engine size, which offers more and better racing for a larger variety of models, including many out of production.
A through H, in descending order of performance
A through H, in descending order of performance
Race 4, C Sports Racing
Sports cars that are nearly unlimited in design that compete according to engine size. They have two seats and four fenders but are very stark in fittings. They are also known as FIA Group 7 cars and range from V-8-powered McLarens and Lolas to one-of-a-kind home-built specials with motorcycle engines. They offer probably the best opportunity in racing for individual ingenuity in auto design.
C - 850 cc to 1300 cc (52 c.i. to 79 c.i.)
C - 850 cc to 1300 cc (52 c.i. to 79 c.i.)
Race 5, H Production
Race 6, D Sports Racing
D - up to 850 cc (52 c.i.)
Race 7, Showroom Stock C
Race 8a, Formula C
Pure racing cars- open-wheel, single-seat machines similar to but slightly different than international formulas 1, 2 and 3.
C - Modified 1100 cc (67 c.i.) engines.
Formulas C and Super Vee were originally scheduled to run together, but were divided into two races.
C - Modified 1100 cc (67 c.i.) engines.
Formulas C and Super Vee were originally scheduled to run together, but were divided into two races.
Race 9, Formula Ford
Formula F - 1600 cc (98 c.i.) Ford Cortina/Capri/Pinto engines only, with limited modifications.
Race 10, C Sedan
Mass-produced sports sedans with rear seat passenger carrying capacity that are recognized by SCCA. Cars ranging from Mustangs to Minis race in engine size classes. In classes B and C performance within a class is equalized by keying car weight to engine displacement so that cars with similar engines compete at a light weight.
C - Up to 1300 cc (79 c.i.).
C - Up to 1300 cc (79 c.i.).
Race 11, Showroom Stock B
Race 12, F Production
Race 13, B Sedan
B - 1300 cc to 2500 cc (79 c.i. to 153 c. i.)
Race 14, E Production
Race 8b, Formula Super Vee
Formula Super Vee - Based on VW 1600 cc (98 c.i.) engines. Less restrictive than Formula Vee
Race 15, Formula A, A Sports Racing & B Sports Racing
Formula A - 5-liter (305 cubic inches), production based engines as well as all-out 3-liter (183 c.i.) racing engines.
A S/R - over 2000 cc (122 c.i. up). B S/R - 1300 cc to 2000 cc (79 c.i. to 122 c.i.).
A S/R - over 2000 cc (122 c.i. up). B S/R - 1300 cc to 2000 cc (79 c.i. to 122 c.i.).
Race 16, A Sedan
A - 2500 cc to 5000 cc (153 c.i. to 305 c.i.).
Race 17, B Production
Race 17, A Production
Race 19, C Production
Race 20, Formula B
B - Modified 1600 cc (98 c.i.) production based engines.