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1998 SCCA Club Racing Rule Changes -- ITCS


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Improved Touring Category Specifications (12.1.4)

SOURCE     STATUS       SECTION      DESCRIPTION

TB 98-02   Eff 2/1/98   D.1.h        Add a new second sentence:  Oil and
                                     power steering hoses may be replaced
                                     with metal braided hose (e.g.
                                     Aeroquip).

TB 98-02   Eff 2/1/98   D.1.n        Change the first sentence to read: 
                                     Alternate water pump, alternator and
                                     power steering pulleys of any diameter
                                     or material may be used.

TB 98-02   Eff 2/1/98   D.1.q        Add new section as follows:  The
                                     application and/or use of any painting,
                                     coating, plating or impregnating
                                     substance (i.e. anti-friction, thermal
                                     barrier, oil shedding coatings, chrome,
                                     anodizing, etc.) to any internal engine
                                     surface including intake manifolds is
                                     prohibited.

TB 98-02   Eff 2/1/98   D.2.d        Replace section with the following: 
                                     Alternate rotor seals and springs are
                                     permitted.

TB 98-02   Eff 2/1/98   D.3.a        Change the first sentence to read:  Any
                                     radiator may be used provided it is
                                     mounted in the original location,
                                     maintains the same plane as the
                                     original core and requires no body or
                                     structure modifications to install.

TB 98-02   Eff 2/1/98   D.8.b        Change the second sentence of the first
                                     paragraph to read:  It shall not
                                     protrude beyond the overall outline of
                                     the body when viewed from above
                                     perpendicular to the ground or aft of
                                     the forward most part of the front
                                     fender opening.  Add to the end of the
                                     first paragraph:  The spoiler shall
                                     have no support or reinforcement
                                     extending aft of the forward most part
                                     of the front fender opening.

TB 98-03   Eff 3/1/98   D.9.a        Replace the last sentence with the
                                     following:  All driver's seats shall be
                                     firmly mounted to the structure of the
                                     car and to the main hoop of the roll
                                     cage, or the seat restraint shall
                                     comply with GCR 18.3.5.  The design of
                                     the seat and/or additional device may
                                     be used to comply with GCR 18.2.1 (head
                                     restraints).

TB 98-06   Eff 6/1/98   D.10.a.5     Correct the second sentence to read as
                                     follows:  Any number of additional
                                     reinforcing bars are permitted within
                                     the structure of the cage, providing
                                     they meet the minimum tubing size per
                                     GCR 18.1.6.B and C.

TB 98-02   Eff 2/1/98   D.10.j       Add new section as follows:  Airbags
                                     shall be disarmed and may be removed.

TB 98-03   Eff 3/1/98   ITS p 25     1992 Honda Prelude Si.  Add 1993 model
                                     year.

TB 98-02   Eff 2/1/98   ITS p 25     1986-1991 Mazda RX-7 (13B).  Add to
                                     Notes:  5th and 6th intake port
                                     actuators and valves may be removed or
                                     disabled.

TB 98-03   Eff 3/1/98   ITS p 27     1992 Oldsmobile Achieva SCX.  Add 1993
                                     model year.

TB 98-05   Eff 5/1/98   ITS          Classify 1992-1993 Acura Integra GS-R.
                                     -  Engine Type: 4 cyl DOHC VTEC
                                     -  Bore: 81.0mm
                                     -  Stroke: 81.4mm
                                     -  Displacement: 1678cc
                                     -  Valve Head Diameter: (I) 33.0mm
                                                             (E) 38.0mm
                                     -  Compression Ratio: 9.3
                                     -  Wheelbase: 100.4"
                                     -  Wheel Diameter: 14"
                                     -  Gearbox Ratios: (1) 3.31
                                                        (2) 2.11
                                                        (3) 1.46
                                                        (4) 1.11
                                                        (5) 0.88
                                     -  Final Drive: 
                                     -  Track: (F) 
                                               (R) 
                                     -  Brakes: (F) 
                                                (R) 
                                     -  Weight: 2500 lbs

TB 98-04   Eff 4/1/98   ITS          Classify 1992 BMW 325
                                     -  Engine Type: 6 cyl DOHC
                                     -  Bore: 84.1mm
                                     -  Stroke: 75.0mm
                                     -  Displacement: 2500cc
                                     -  Valve Head Diameter: (I) 
                                                             (E) 
                                     -  Compression Ratio: 
                                     -  Wheelbase: 
                                     -  Wheel Diameter: 15"
                                     -  Gearbox Ratios: (1) 
                                                        (2) 
                                                        (3) 
                                                        (4) 
                                                        (5) 
                                     -  Final Drive: 
                                     -  Track: (F) 
                                               (R) 
                                     -  Brakes: (F) 11.26"
                                                (R) 11.02"
                                     -  Weight: 2850 lbs

TB 98-05   Eff 5/1/98   ITS          Classify 1993 Honda Civic Del Sol Si.
                                     -  Engine Type: 4 cyl DOHC
                                     -  Bore: 75.0mm
                                     -  Stroke: 90.0mm
                                     -  Displacement: 1590cc
                                     -  Valve Head Diameter: (I) 29.0mm
                                                             (E) 25.0mm
                                     -  Compression Ratio: 9.2
                                     -  Wheelbase: 93.3"
                                     -  Wheel Diameter: 14"
                                     -  Gearbox Ratios: (1) 3.25
                                                        (2) 1.90
                                                        (3) 1.25
                                                        (4) 0.90
                                                        (5) 0.75
                                     -  Final Drive: 
                                     -  Track: (F) 
                                               (R) 
                                     -  Brakes: (F) 240mm disc
                                                (R) 239mm disc
                                     -  Weight: 2175 lbs

TB 98-05   Eff 5/1/98   ITS          Classify 1993 Ford Probe GT.
                                     -  Engine Type: V6 DOHC
                                     -  Bore: 84.5mm
                                     -  Stroke: 74.2mm
                                     -  Displacement: 2495cc
                                     -  Valve Head Diameter: (I) 32.2mm
                                                             (E) 27.8mm
                                     -  Compression Ratio: 9.2
                                     -  Wheelbase: 102.9"
                                     -  Wheel Diameter: 15"
                                     -  Gearbox Ratios: (1) 3.31
                                                        (2) 1.83
                                                        (3) 1.31
                                                        (4) 1.03
                                                        (5) 0.80
                                     -  Final Drive: 
                                     -  Track: (F) 
                                               (R) 
                                     -  Brakes: (F) 258mm disc
                                                (R) 261mm disc
                                     -  Weight: 2550 lbs

TB 98-06   Eff 6/1/98   ITS          1993 Ford Probe GT.  Correct Weight to
                                     2730 lbs.

TB 98-05   Eff 5/1/98   ITS          Classify 1993 Mazda MX6.
                                     -  Engine Type: V6 DOHC
                                     -  Bore: 84.5mm
                                     -  Stroke: 74.2mm
                                     -  Displacement: 2495cc
                                     -  Valve Head Diameter: (I) 32.2mm
                                                             (E) 27.8mm
                                     -  Compression Ratio: 9.2
                                     -  Wheelbase: 102.9"
                                     -  Wheel Diameter: 15"
                                     -  Gearbox Ratios: (1) 3.31
                                                        (2) 1.83
                                                        (3) 1.31
                                                        (4) 1.03
                                                        (5) 0.80
                                     -  Final Drive: 
                                     -  Track: (F) 
                                               (R) 
                                     -  Brakes: (F) 258mm disc
                                                (R) 261mm disc
                                     -  Weight: 2550 lbs

TB 98-06   Eff 6/1/98   ITS          1993 Mazda MX6.  Correct Weight to 2730
                                     lbs.

TB 98-06   Eff 6/1/98   ITS          Classify 1991 Volkswagen Jetta GLi. 
                                     Weight: 2530 lbs, remaining
                                     specifications are the same as the
                                     1990-1992 Volkswagen Golf GTi 2.0 16V.

TB 98-02   Eff 2/1/98   ITA p 29     1986-1987 Chevrolet Cavalier Z24. 
                                     Correct Weight to 2480 lbs.

TB 98-05   Eff 5/1/98   ITA p 31     1990 Mazda Protege LX.  Add 1991-1993
                                     model years.  Correct specifications as
                                     follows:
                                     -  Engine Type: 4 cyl DOHC
                                     -  Weight: 2605 lbs

TB 98-05   Eff 5/1/98   ITA p 31     1990-1991 Mazda MX-5 Miata.  Add 1992-
                                     1993 model years.

TB 98-02   Eff 2/1/98   ITA p 31     Mercury Capri I.  Combine all years and
                                     engine sizes on one line and list years
                                     as 1972-1975.  Weight: 2210 lbs.

TB 98-03   Eff 3/1/98   ITA p 31     1972-1975 Mercury Capri I 2.6 / 2.8. 
                                     Correct weight to 2380 lbs.

TB 98-07   Eff 7/1/98   ITA          Classify 1992-1993 Acura Integra.
                                     -  Engine Type: 4 cyl SOHC
                                     -  Bore: 81.0mm
                                     -  Stroke: 89.0mm
                                     -  Displacement: 1835cc
                                     -  Valve Head Diameter: (I) 31.0mm
                                                             (E) 28.0mm
                                     -  Compression Ratio: 9.2
                                     -  Wheelbase: 100.4"
                                     -  Wheel Diameter: 14"
                                     -  Gearbox Ratios: (1) 3.17
                                                        (2) 1.86
                                                        (3) 1.26
                                                        (4) 0.94
                                                        (5) 0.74
                                     -  Final Drive: 
                                     -  Track: (F) 
                                               (R) 
                                     -  Brakes: (F) 10.3" Disc
                                                (R) 9.4" Disc
                                     -  Weight: 2290 lbs

TB 98-05   Eff 5/1/98   ITA          Classify 1993 Honda Civic Del Sol S
                                     -  Engine Type: 4 cyl DOHC
                                     -  Bore: 75.0mm
                                     -  Stroke: 84.5mm
                                     -  Displacement: 1493cc
                                     -  Valve Head Diameter: (I) 29.0mm
                                                             (E) 25.0mm
                                     -  Compression Ratio: 9.2
                                     -  Wheelbase: 93.3"
                                     -  Wheel Diameter: 13"
                                     -  Gearbox Ratios: (1) 3.25
                                                        (2) 1.76
                                                        (3) 1.17
                                                        (4) 0.91
                                                        (5) 0.70
                                     -  Final Drive: 
                                     -  Track: (F) 
                                               (R) 
                                     -  Brakes: (F) 240mm disc
                                                (R) 180mm drum
                                     -  Weight: 2140 lbs

TB 98-07   Eff 7/1/98   ITA          Classify 1993 Volkswagen Golf III.
                                     -  Engine Type: 4cyl SOHC
                                     -  Bore: 82.5mm
                                     -  Stroke: 92.8mm
                                     -  Displacement: 1984cc
                                     -  Valve Head Diameter: (I) 
                                                             (E) 
                                     -  Compression Ratio: 10.0
                                     -  Wheelbase: 97.3"
                                     -  Wheel Diameter: 14"
                                     -  Gearbox Ratios: (1) 3.46
                                                        (2) 1.94
                                                        (3) 1.21
                                                        (4) 0.97
                                                        (5) 0.81
                                     -  Final Drive: 
                                     -  Track: (F) 
                                               (R) 
                                     -  Brakes: (F) 10.1" Disc
                                                (R) 8.9" Disc
                                     -  Weight: 2350 lbs

TB 98-07   Eff 7/1/98   ITA          Classify 1993 Volkswagen Jetta III.
                                     -  Engine Type: 4cyl SOHC
                                     -  Bore: 82.5mm
                                     -  Stroke: 92.8mm
                                     -  Displacement: 1984cc
                                     -  Valve Head Diameter: (I) 
                                                             (E) 
                                     -  Compression Ratio: 10.0
                                     -  Wheelbase: 97.3"
                                     -  Wheel Diameter: 14"
                                     -  Gearbox Ratios: (1) 3.46
                                                        (2) 1.94
                                                        (3) 1.21
                                                        (4) 0.97
                                                        (5) 0.81
                                     -  Final Drive: 
                                     -  Track: (F) 
                                               (R) 
                                     -  Brakes: (F) 10.1" Disc
                                                (R) 8.9" Disc
                                     -  Weight: 2480 lbs

TB 98-02   Eff 2/1/98   ITB p 34     1981-1984 Audi Coupe.  Add to
                                     specifications as follows:
                                     -  Alt Gear Ratios: (1) 3.45   3.46
                                                         (2) 1.70   1.94
                                                         (3) 1.10   1.29
                                                         (4) 0.75   0.97
                                                         (5) 0.60   0.80

TB 98-02   Eff 2/1/98   ITB p 34     BMW 2002.  Combine all years and engine
                                     sizes on one line and list years as
                                     1968-1976.  Weight: 2100 lbs.

TB 98-03   Eff 3/1/98   ITB p 34     1968-1976 BMW 2002.  Correct weight to
                                     2280 lbs.

TB 98-03   Eff 3/1/98   ITB p 35     1981-1985 Dodge Charger 024 2.2.  Add
                                     to gear ratios as follows:  3.29, 2.08,
                                     1.45, 1.04, 0.72.

TB 98-03   Eff 3/1/98   ITB p 35     1980-1987 Dodge Omni 2.2.  Add to gear
                                     ratios as follows:  3.29, 2.08, 1.45,
                                     1.04, 0.72.  Correct specifications as
                                     follows:  Brakes: (R) 7.9" drum

TB 98-04   Eff 4/1/98   ITB p 35     1980-1987 Dodge Omni 2.2.  Add 1988-
                                     1990 model years.

TB 98-04   Eff 4/1/98   ITB p 35     1980-1990 Dodge Omni 2.2.  Correct
                                     wheel size to 13" / 14".

TB 98-03   Eff 3/1/98   ITB p 36     1985-1987 Ford Escort / Escort GT. 
                                     Correct specifications as follows:
                                     -  Gear Ratios: (1) 3.21  3.60  3.60
                                                     (2) 1.81  2.12  2.12
                                                     (3) 1.15  1.39  1.39
                                                     (4) 0.78  1.02  1.02
                                                     (5)       0.75  0.77

TB 98-06   Eff 6/1/98   ITB p 36     1979-1988 Ford Mustang 2.3.  Add 1989-
                                     1993 model years.

TB 98-05   Eff 5/1/98   ITB p 36     1990-1991 Geo Storm Gsi.  Correct wheel
                                     size to 14" / 15".

TB 98-05   Eff 5/1/98   ITB p 37     1983-1984 Mazda 626.  Correct
                                     specifications as follows:  Weight:
                                     2480 lbs.

TB 98-03   Eff 3/1/98   ITB p 39     1980-1987 Plymouth Horizon 2.2.  Add to
                                     gear ratios as follows:  3.29, 2.08,
                                     1.45, 1.04, 0.72.

TB 98-04   Eff 4/1/98   ITB p 39     1980-1987 Plymouth Horizon 2.2.  Add
                                     1988-1990 model years.

TB 98-03   Eff 3/1/98   ITB p 39     1981-1987 Plymouth TC3/Turismo 2.2. 
                                     Add to gear ratios as follows:  3.29,
                                     2.08, 1.45, 1.04, 0.72.

TB 98-05   Eff 5/1/98   ITB p 41     Volkswagen Jetta / Jetta GL / GLi.  set
                                     model years to 1985-1991.  Change
                                     specifications as follows: Weight: 2330
                                     lbs.

TB 98-06   Eff 6/1/98   ITB          Classify 1979-1983 Honda Accord 1.7.
                                     -  Engine Type: 4 cyl SOHC
                                     -  Bore: 77.0mm
                                     -  Stroke: 94.0mm
                                     -  Displacement: 1751cc
                                     -  Valve Head Diameter: (I) 34.1mm
                                                             (E) 28.1mm
                                     -  Compression Ratio: 8.8
                                     -  Wheelbase: 93.7
                                     -  Wheel Diameter: 13" x 6"
                                     -  Gearbox Ratios: (1) 3.18  3.38
                                                        (2) 1.84  2.80
                                                        (3) 1.20  2.38
                                                        (4) 0.90  1.56
                                                        (5) 0.72  0.97
                                     -  Final Drive: 
                                     -  Track: (F) 
                                               (R) 
                                     -  Brakes: (F) 191.9mm Disc
                                                (R) 193.0mm Drum
                                     -  Weight: 2270 lbs

TB 98-06   Eff 6/1/98   ITB          Classify 1986-1988 Honda Accord LXi 12V
                                     Coupe and HB.
                                     -  Engine Type:4 cyl SOHC
                                     -  Bore: 82.7mm
                                     -  Stroke: 91.0mm
                                     -  Displacement: 1955cc
                                     -  Valve Head Diameter: (I) 
                                                             (E) 
                                     -  Compression Ratio: 8.8
                                     -  Wheelbase: 102.4"
                                     -  Wheel Diameter: 
                                     -  Gearbox Ratios: (1) 
                                                        (2) 
                                                        (3) 
                                                        (4) 
                                                        (5) 
                                     -  Final Drive: 
                                     -  Track: (F) 
                                               (R) 
                                     -  Brakes: (F) 
                                                (R) 
                                     -  Weight: 2550 lbs

TB 98-05   Eff 5/1/98   ITB          Classify 1986-1990 Saab 900 16V
                                     (B202i).
                                     -  Engine Type: 4 cyl DOHC
                                     -  Bore: 90.0mm
                                     -  Stroke: 78.0mm
                                     -  Displacement: 1985cc
                                     -  Valve Head Diameter: (I) 
                                                             (E) 
                                     -  Compression Ratio: 
                                     -  Wheelbase: 
                                     -  Wheel Diameter: 
                                     -  Gearbox Ratios: (1) 
                                                        (2) 
                                                        (3) 
                                                        (4) 
                                                        (5) 
                                     -  Final Drive: 
                                     -  Track: (F) 
                                               (R) 
                                     -  Brakes: (F) 
                                                (R) 
                                     -  Weight: 2500 lbs

TB 98-07   Eff 7/1/98   ITB          1986-1990 Saab 900 16V (B202i). 
                                     Correct specifications as follows:
                                     Weight: 2680 lbs.

TB 98-05   Eff 5/1/98   ITC p 43     1979-1983 Fiat X-19 1.5.  Add to the
                                     gear ratios as follows:
                                     -  Gearbox Ratios: (1) 3.58  3.58
                                                        (2) 2.24  2 24
                                                        (3) 1.45  1.46
                                                        (4) 1.04  1.03
                                                        (5) 0.86  0.86

TB 98-03   Eff 3/1/98   ITC p 44     1985-1987 Ford Escort / Escort GT. 
                                     Correct specifications as follows:
                                     -  Gear Ratios: (1) 3.21  3.60  3.60
                                                     (2) 1.81  2.12  2.12
                                                     (3) 1.15  1.39  1.39
                                                     (4) 0.78  1.02  1.02
                                                     (5)       0.75  0.77

TB 98-03   Eff 3/1/98   ITC p 44     1989-1990 Ford Festiva.  Add 1988 model
                                     year.

TB 98-02   Eff 2/1/98   ITC p 48     Volkswagen Rabbit.  Combine all years
                                     and engine sizes on one line and list
                                     years as 1975-1980.  Weight: 1820 lbs.

TB 98-03   Eff 3/1/98   ITC p 48     Volkswagen Rabbit.  Correct weight to
                                     2000 lbs.

TB 98-02   Eff 2/1/98   ITC p 48     Volkswagen Scirocco.  Combine all years
                                     and engine sizes on one line and list
                                     years as 1975-1980.  Weight: 2040 lbs.


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