SVRA Supplemental Regulations: Porsche 924,924S&924turbo(1975-1988)as prepared for SVRA Group 8 competition
The following cars arecovered under these regulations:
- 1975-1986 Porsche 924 (1984cc, SOHC inline 4 cyl)(DP specifications 1980 PCS)1979-1982 Porsche 924/931 turbo (1985cc, SOHC inline 4 cyl)(CP specifications 1980 PCS)
- 1986-1988 Porsche 924S (2479cc, OHV flat 4)
- 1981 Porsche 924/937 Carrera GT, GTS, GTR (1985cc, turbo)
Note: chassismay be updated or backdated to achieve proper specifications.
Engines:
- 1984ccBorexstroke.....3.41”x3.32”(86.5mmx84.4mm)
- 2479ccBorexstroke.....3.94"x3.10"(100mmx78.9mm)
- Headmaterial......aluminum
- Blockmaterial.....aluminum
- Inductionsystem.....BoschK-Jetronic fuel injection or alternate
Transmissions: Porsche transaxle,type 937/50…5 speeds, ratios free
Chassis: Uni-body front enginecoupe
- Wheelbase 94.49”
- Trackdimension,front 59.62" maximum, all tolerances included
- Trackdimension,rear 57.7" maximum, all tolerances included
- Wheels 7”x14”or7”x15”
- Brakes 10.1”discsF…9”drum R
SVRA approved options:
- MSD type electronic ignition, must be triggered from distributor
- Alternate FI components: pump,VJPL147; manifold, 047.133.201SP; nozzle, 8.492.801.227
- Turbo: 937.123.012.00 and associated components (1985cc engine only)
- 11.12" front disc brakes
- 11.37" rear disc brakes
- p/n 477.827.041 rear window extension
- p/n 931.104.011.5 cylinder head
- All Rothmans, Escort, Firehawk and Club Sport modifications as appropriate
- if no charging system, add 25# to official weight
Specifically prohibited:
- Turbo on 3.0L engine
- Non factory aero devices
- Non factory body panels
Note: It is permitted to update or backdate these cars listed above freely, but remember that the new configuration will determine which class a car competes in. Be sure to consult the appropriate Group Class List and General Supplemental Regulations.