[an error occurred while processing this directive]
Please visit our sponsors.
Click Here to Visit our Sponsor

[an error occurred while processing this directive]

1998 SCCA Club Racing Rule Changes -- GTCS


[an error occurred while processing this directive]

GT Category Specifications (12.1.2)


PART 1 - GT1

SOURCE     STATUS       SECTION      DESCRIPTION

TB 98-03   Eff 3/1/98   D.4.b.2      Change the sequential transmission
                                     weight penalty to 75 lbs.

TB 98-07   Eff 7/1/98   D.8.a.1.E    Add paragraph as follows:  Convertible
                                     and removable tops and all attaching
                                     hardware shall be removed from open
                                     cars.

TB 98-05   Eff 5/1/98   GT1 p 33     1997 Chevrolet Corvette.  Correct model
                                     years to 1997-. 

TB 98-02   Eff 2/1/98   GT1          Classify Acura NCX (3.0L / 3.2L). 
                                     Induction: multiple carburetors or
                                     original fuel injection, Weight: 1880
                                     lbs.

TB 98-07   Eff 7/1/98   GT1          Classify Ferrari 308.  Induction:
                                     multiple carburetors or fuel injection. 
                                     Note:  Engine may be located
                                     longitudinally with suitable transaxle.

TB 98-02   Eff 2/1/98   GT1          Classify Triumph TR-8.  Weight: 2150
                                     lbs.



PART 2 - GT2-5

SOURCE     STATUS       SECTION      DESCRIPTION

TB 98-07   Eff 7/1/98   F.4.a.4      Add to the end of the paragraph as
                                     follows:  Convertible and removable
                                     tops and all attaching hardware shall
                                     be removed from open cars.

TB 98-04   Eff 4/1/98   F.4.b.9      Delete first two sentences and replace
                                     with the following:  Fenders may be
                                     flared for tire clearance, provided
                                     their shape and opening contour, in the
                                     horizontal projection, is similar and
                                     proportional to the original opening
                                     and does not obscure the view of the
                                     tire.

TB 98-03   Eff 3/1/98   F.4.e.11     Change the sequential transmission
                                     weight penalty to 75 lbs.

TB 98-07   Eff 7/1/98   F.4.j.6      Add to the end of the paragraph as
                                     follows:  Carbon brake rotors are
                                     prohibited.

TB 98-03   Eff 3/1/98   GT2 p 55     Mazda RX-7 (12A peripheral port). 
                                     Decrease weight to 2080 lbs.

TB 98-03   Eff 3/1/98   GT2 p 55     Mazda RX-7 (13B).  Decrease weight to
                                     2180 lbs.

TB 98-01   Eff 1/1/98   GT2 p 56     Pontiac Fiero 2.5L.  Reduce weight on
                                     2.5L engine to 1930 lbs and reduce
                                     weight on 2.7L engine to 2080 lbs.

TB 98-02   Eff 2/1/98   GT2 p 57     1969- Porsche 911 T, E, S Coupe and
                                     Targa.  Change Carburetion to read: Two
                                     (2) automotive type with 46mm venturis.

TB 98-03   Eff 3/1/98   GT2 p 57     1969- Porsche 911 T, E, S Coupe and
                                     Targa.  Correct designation to 1968-
                                     Porsche 911 Coupe and Targa.

TB 98-02   Eff 2/1/98   GT2 p 57     1969- Porsche 914-6.  Change
                                     Carburetion to read: Two (2) automotive
                                     type with 46mm venturis.

TB 98-03   Eff 3/1/98   GT2          Classify Acura NSX.
                                     -  Carburetion: automotive type
                                        carburetors with 36mm venturis
                                     -  Weight: 2380 lbs

TB 98-07   Eff 7/1/98   GT2          Classify Pontiac Grand Am.
                                     -  Engine: 4 cyl OHV
                                     -  Bore: 101.6mm   101.6mm
                                     -  Stoke: 76.2mm   82.6mm
                                     -  Displacement: 2471cc   2679cc
                                     -  Number of valves per cylinder: 2
                                     -  Port configuration: Crossflow
                                     -  Head Material: Aluminum
                                     -  Carburetion: Two (2) automotive type
                                        with 48mm venturis
                                     -  Weight: 
                                     -  Wheelbase: 
                                     -  Track: 
                                     -  Wheels: 
                                     -  Alternate Specifications:  

TB 98-02   Eff 2/1/98   GT3 p 59     1992- BMW 318 Coupe.  Correct
                                     Carburetion as follows:  Two (2) 45mm
                                     with 45mm venturis.

TB 98-06   Eff 6/1/98   GT3 p 63     Nissan / Datsun PL510.  Add to Bore /
                                     Stroke: 85mm x 86mm; add to
                                     Displacement: 1952cc; change
                                     Carburetion to read: 1952cc = 50mm
                                     w/50mm venturis, 1770cc = unrestricted;
                                     change Weight to read: 1770cc = 1880
                                     lbs, 1952cc = 2030 lbs.

TB 98-03   Eff 3/1/98   GT3 p 64     1969- Porsche 911 L, S, T Coupe and
                                     Targa.  Correct designation to 1968-
                                     Porsche 911 Coupe and Targa.

TB 98-03   Eff 3/1/98   GT3 p 64     Porsche 914 S.  Reduce weight to 1880
                                     lbs.

TB 98-05   Eff 5/1/98   GT3 p 65     1992- Toyota Paseo.  Correct weight to
                                     1980 lbs.

TB 98-06   Eff 6/1/98   GT3 p 65     1992- Toyota Paseo.  Correct weight to
                                     2030 lbs.

TB 98-04   Eff 4/1/98   GT3 p 65     Volkswagen Corrado 8V.  Add to Notes:
                                     Alternate Eurospec cylinder heads may
                                     be used.

TB 98-05   Eff 5/1/98   GT3 p 65     Volkswagen Golf & GT1.  Add to Notes:
                                     Alternate Eurospec cylinder heads may
                                     be used.

TB 98-05   Eff 5/1/98   GT3 p 66     Volkswagen Jetta.  Add to Notes:
                                     Alternate Eurospec cylinder heads may
                                     be used.

TB 98-05   Eff 5/1/98   GT3 p 66     1975-1984 Volkswagen Rabbit.  Add to
                                     Notes: Alternate Eurospec cylinder
                                     heads may be used.

TB 98-05   Eff 5/1/98   GT3 p 66     Volkswagen Scirocco.  Add to Notes:
                                     Alternate Eurospec cylinder heads may
                                     be used.

TB 98-06   Eff 6/1/98   GT3          Classify Porsche Boxster.
                                     -  Engine: 4 cyl OHV, 6 cyl OHV
                                     -  Bore: 94.0mm, 80.0mm
                                     -  Stoke: 70.9mm, 66.0mm
                                     -  Displacement: 1968cc, 1991cc
                                     -  Number of valves per cylinder: 2
                                     -  Port configuration: Crossflow
                                     -  Head Material: Aluminum
                                     -  Carburetion (4 Cyl): Solex 40P11,
                                        Weber 40 IDF, Dellorto 40 DLRA
                                     -  Carburetion (6 Cyl): (2) 40 IDA/IDS
                                        3C, (6) Solex 40 P1
                                     -  Weight 4 (Cyl): 1980 lbs 
                                     -  Weight (6 Cyl): 2080 lbs
                                     -  Wheelbase: 96.5"
                                     -  Track: 60" (max)
                                     -  Wheels: 13" x 7", 14" x 7", 15" x 7"
                                     -  Notes (4 Cyl): Intake manifold P/N
                                        021-129-705R; Sleeves: Cast iron.
                                     -  Notes: (6 Cyl): Dual plug heads
                                        prohibited; Alternate cylinder head:
                                        P/N 911-104-302-OR (w/sealed injector
                                        port).
                                     -  Notes: Windshield may be removed and
                                        low front hoop roll cage may be
                                        fitted.

TB 98-01   Eff 1/1/98   GT4 p 69     1988-1991 Honda Civic CRX 1.5.  Reduce
                                     venturi size on alternate 1590cc 4
                                     valve engine to 30mm.

TB 98-05   Eff 5/1/98   GT4 p 72     Volkswagen Corrado.  Add to Notes:
                                     Alternate Eurospec cylinder heads may
                                     be used.

TB 98-05   Eff 5/1/98   GT4 p 72     Volkswagen Golf.  Add to Notes:
                                     Alternate Eurospec cylinder heads may
                                     be used.

TB 98-05   Eff 5/1/98   GT4 p 72     1975- Volkswagen Rabbit.  Add to Notes:
                                     Alternate Eurospec cylinder heads may
                                     be used.

TB 98-06   Eff 6/1/98   GT4 p 72     1975- Volkswagen Rabbit.  Add to Notes:
                                     Alternate cylinder heads: P/N 026-103-
                                     373G and P/N 049-103-351C.

TB 98-05   Eff 5/1/98   GT4 p 72     Volkswagen Scirocco.  Add to Notes:
                                     Alternate Eurospec cylinder heads may
                                     be used.

TB 98-02   Eff 2/1/98   GT4          Classify 1984-1987 Honda Civic 4-door. 
                                     Same specifications as Honda Civic HB. 
                                     Add to Notes: Rear fender flares may
                                     extend forward into the rear doors no
                                     more than 26 inches from the rear axle
                                     center line.

TB 98-05   Eff 5/1/98   GT4          1984-1987 Honda Civic 4-door.  Correct
                                     specifications as follows:  Wheelbase:
                                     96.5"

TB 98-01   Eff 1/1/98   GT5 p 74     Alfa Romeo Giulia 1300/130TI.  Reduce
                                     weight to 1740 lbs.

TB 98-07   Eff 7/1/98   GT5 p 74     Alfa Romeo Giulia 1300/130TI.  Add
                                     alternate AR116 engine.
                                     -  Engine: 4 cyl DOHC
                                     -  Bore: 80.0mm
                                     -  Stroke: 67.5mm
                                     -  Displacement: 1357cc

TB 98-06   Eff 6/1/98   GT5          Classify 1988-1991 Honda Civic HB
                                     -  Engine: 4 cyl OHC
                                     -  Bore: 74.0mm
                                     -  Stoke: 78.0mm
                                     -  Displacement: 1342cc
                                     -  Number of valves per cylinder: 3
                                     -  Port configuration: Crossflow
                                     -  Head Material: Aluminum
                                     -  Carburetion: Unrestricted
                                     -  Weight: 1870 lbs
                                     -  Wheelbase: 98.4"
                                     -  Track: 60" (max)
                                     -  Wheels: 13" x 6"
                                     -  Notes: Cylinder head P/N 12100-PE3-
                                        000 or 12100-PE7-000

TB 98-03   Eff 3/1/98   GT5          Classify 1988-1991 Honda CRX.
                                     -  Engine: 
                                     -  Bore: 74.0mm
                                     -  Stoke: 78.0mm
                                     -  Displacement: 1342cc
                                     -  Number of valves per cylinder: 3
                                     -  Port configuration: Crossflow
                                     -  Head Material: Aluminum
                                     -  Carburetion: Unrestricted
                                     -  Weight: 1870 lbs
                                     -  Wheelbase: 90.6"
                                     -  Track: 60"
                                     -  Wheels: 13" x 6"
                                     -  Notes: Cylinder head P/N 12100-PE3-
                                        000 or 12100-PE7-000

TB 98-03   Eff 3/1/98   GT5          Classify Renault R5 (R-1228).
                                     -  Engine: 4 cyl, OHV
                                     -  Bore: 73.0mm
                                     -  Stoke: 77.0mm
                                     -  Displacement: 1289cc
                                     -  Number of valves per cylinder: 2
                                     -  Port configuration: Non-crossflow
                                     -  Head Material: Aluminum
                                     -  Carburetion: Unrestricted (32mm
                                        venturis w/alternate cylinder head)
                                     -  Weight: 1800 lbs
                                     -  Wheelbase: 94.6"
                                     -  Track: 60"
                                     -  Wheels: 13" x 6"
                                     -  Notes:  Alternate cylinder head P/N
                                        77005697627.  Alternate 1397cc
                                        engine: Bore: 76.0mm, Stroke: 77.0mm,
                                        Carburetion: 45mm, Weight: 1900 lbs,
                                        Alternate cylinder head P/N
                                        77005697627.


[an error occurred while processing this directive] [an error occurred while processing this directive]