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1998 SCCA Club Racing Rule Changes -- ITCS
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.