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SOURCE STATUS SECTION DESCRIPTION
TB 98-02 Eff 2/1/98 C.4(?) Addition for 1998 only: Increase the
weight of all production cars listed in
the 1998 PCS by twenty pounds to
compensate for roll cage modifications.
TB 98-03 Eff 3/1/98 D.4.a.1 Change the sequential transmission
weight penalty to 75 lbs.
TB 98-03 Eff 3/1/98 D.10.1 In the second sentence, replace '(top
of steering wheel)' with '(top of
cowl)'. The sentence will now read:
Roll cages may be of two (2) designs,
low front hoop (top of cowl) or high
front hoop (top of windshield).
TB 98-04 Eff 4/1/98 D.10.1 Change the last sentence to read:
Requests for approvals of alternate
structures which comply with the basic
provisions of 12.1.1.D.10.1 of the PCS
and the simultaneous applied loads
specified in 18.4.5 of the GCR must be
received prior to 1/1/99.
TB 98-03 Eff 3/1/98 D.10.1.B.4 Change the first sentence to read: It
is recommended that a low front hoop be
no lower than the top of the steering
wheel.
TB 98-03 Eff 3/1/98 D.10.1.E Remove the last sentence (The main
hoop, front hoop, side protection and
all required bracing shall be the same
diameter and wall thickness.).
TB 98-01 Eff 1/1/98 EP p 32-33 1990-1993 Acura Integra. Add to the
specifications as follows:
- Engine Type:
- Bore: 81.0mm
- Stoke: 89.0mm
- Displacement: 1835cc
- Head Material:
- Block Material:
- Valve Head Diameter: (I) 31.0mm
- (E) 28.0mm
- Induction:
- Number of Forward Speeds:
- Wheelbase: 96.5"
- Track: (F)
(R)
- Wheels: 14" x 7"
- Brakes: (F) 242mm Disc
(R) 239mm Disc
- Weight: 2200 lbs
- Notes: Compression ratio limited to
12.0:1. Cylinder head preparation
per Improved Touring specifications
except that the cylinder head may be
milled to achieve maximum compression
ratio (i.e. no porting, stock valve
job, no chamber modifications).
- Restrictions: Alternate transmission
permitted, add 100 lbs. Modified or
relocated suspension pick-up
(mounting) points, add 200 lbs.
(Refer to current ITCS Sections
12.1.4.D.5.c and d for allowable
suspension modifications).
TB 98-04 Eff 4/1/98 EP p 32-33 1990-1993 Acura Integra. Add to Notes:
Alternate (synchro) transmission, add
50 lbs; alternate dog-ring
transmission, add 100 lbs; alternate
sequentially shifted transmission, add
175 lbs.
TB 98-06 Eff 6/1/98 EP p 32-33 BMW 2002 / 2002tii. Correct
specifications as follows: Wheels: 13"
x 7", 15" x 7"; Weight: 2100 lbs.
TB 98-02 Eff 2/1/98 EP p 34-35 Fiat 124 Sport Spider 1600 and 124
Spider 2000. Add: Choke size: 32mm.
Delete: Alternate weight for 13"
wheels. The weight will be 2100 lbs.
TB 98-06 Eff 6/1/98 EP p 34-35 1971-1974 Ford (Mercury) Capri.
Correct specifications as follows:
Wheels: 13" x 7", 15" x 7"
TB 98-03 Eff 3/1/98 EP p 36-37 Ford Pinto 2000. Increase automotive
type sidedraft carburetor venturis to
30mm. Add 15" x 7" wheels.
TB 98-05 Eff 5/1/98 EP p 36-37 Ford Pinto 2000. Change the
specifications as follows: Trans
Speeds: 4 or 5.
TB 98-03 Eff 3/1/98 EP p 36-37 1988-1991 Honda CRX Si. Correct
specifications as follows: Wheel Size:
13" x 7", 14" x 7", 15" x 7".
TB 98-01 Eff 1/1/98 EP p 36-37 Honda Prelude Si. Add to the
specifications as follows:
- Engine Type:
- Bore: 87.0mm
- Stoke: 95.0mm
- Displacement: 2259cc
- Head Material:
- Block Material:
- Valve Head Diameter: (I) 34.0mm
- (E) 29.0mm
- Induction:
- Number of Forward Speeds:
- Wheelbase: 100.4"
- Track: (F) 63.6"
(R) 63.2"
- Wheels: 15" x 7"
- Brakes: (F) 259mm Disc
(R) 259mm Disc
- Weight: 2535 lbs
- Notes: Compression ratio limited to
12.0:1. Cylinder head preparation
per Improved Touring specifications
except that the cylinder head may be
milled to achieve maximum compression
ratio (i.e. no porting, stock valve
job, no chamber modifications).
- Restrictions: Alternate transmission
permitted, weight penalties included
in TB 98-08. Modified or relocated
suspension pick-up (mounting) points,
add 200 lbs. (Refer to current ITCS
Sections 12.1.4.D.5.c and d for
allowable suspension modifications).
TB 98-03 Eff 3/1/98 EP p 36-37 Honda Prelude. Correct model
designation on p 37 from Acura Integra
to Honda Prelude. Correct
specifications as follows: Wheel Size:
14" x 7", 15" x 7".
TB 98-04 Eff 4/1/98 EP p 36-37 Honda Prelude. Add to Notes:
Alternate (synchro) transmission, add
50 lbs; alternate dog-ring
transmission, add 100 lbs; alternate
sequentially shifted transmission, add
175 lbs.
TB 98-05 Eff 5/1/98 EP p 36-37 Lotus Super Seven. Add to Brakes Alt:
(F) 9.63" disk.
TB 98-03 Eff 3/1/98 EP p 38-39 Mazda MX-5 / Miata. Add to Notes:
Alternate Engine - Displacement:
1800cc, Bore: 83.0mm, Stroke: 85.0mm.
Compression ratio limited to 12.0:1.
Cylinder head preparation per Improved
Touring specifications except that the
cylinder head may be milled to achieve
maximum compression ratio (i.e. no
porting, stock valve job, no chamber
modifications). Carburetor preparation
per current Improved Touring rules.
TB 98-04 Eff 4/1/98 EP p 38-39 Mazda MX-5 / Miata. Add to
Carburetion: Fuel injection permitted.
Correct Notes for alternate 1800cc
engine induction system as follows:
Carburetion: Two (2) automotive-type
carburetors with 32mm venturis.
TB 98-01 Eff 1/1/98 EP p 38-39 1979-1985 Mazda RX-7 (Classified by
Tech Bulletin 97-05). Correct the
Restrictions section of Notes as
follows: Restrictions: Alternate
transmission permitted, add 100 lbs.
Modified or relocated suspension pick-
up (mounting) points, add 200 lbs.
(Refer to current ITCS Sections
12.1.4.D.5.c and d for allowable
suspension modifications).
TB 98-03 Eff 3/1/98 EP p 38-39 1979-1985 Mazda RX-7. Add to Notes:
Modifications (enlarging or grooving)
of the water jacket in the area of the
sparkplugs for cooling purposes is
allowed.
TB 98-04 Eff 4/1/98 EP p 38-39 1979-1985 Mazda RX-7. Add to Notes:
Alternate (synchro) transmission, add
50 lbs; alternate dog-ring
transmission, add 100 lbs; alternate
sequentially shifted transmission, add
175 lbs.
TB 98-07 Eff 7/1/98 EP p 38-39 1979-1985 Mazda RX-7. Correct first
sentence in Notes to read: Engine:
Street Port engine only, no bridge, no
peripheral, no modifications of water
jackets (no eyelash port).
TB 98-04 Eff 4/1/98 EP p 38-39 MGB & MGB-GT. Add to Notes: Any
individual runner manifold with runner
length of 3.0"-4.0" measured flange to
flange.
TB 98-04 Eff 4/1/98 EP p 38-39 1977-1979 Nissan 200SX SER. Add to
Notes: Alternate (synchro)
transmission, add 50 lbs; alternate
dog-ring transmission, add 100 lbs;
alternate sequentially shifted
transmission, add 175 lbs.
TB 98-01 Eff 1/1/98 EP p 38-39 1991 Nissan Sentra SER. Change the
model years to 1990-1994. Add to the
specifications as follows:
- Engine Type:
- Bore: 86.0mm
- Stoke: 86.0mm
- Displacement: 1998cc
- Head Material:
- Block Material:
- Valve Head Diameter: (I) 34.2mm
- (E) 30.2mm
- Induction:
- Number of Forward Speeds:
- Wheelbase: 95.7"
- Track: (F) 60.0"
(R) 59.1"
- Wheels: 13" x 7", 14" x 7", 15" x 7"
- Brakes: (F) 249mm Disc
(R) 234mm Disc
- Weight: 2210 lbs
- Notes: Compression ratio limited to
12.0:1. Cylinder head preparation
per Improved Touring specifications
except that the cylinder head may be
milled to achieve maximum compression
ratio (i.e. no porting, stock valve
job, no chamber modifications).
- Restrictions: Alternate transmission
permitted, add 100 lbs. Modified or
relocated suspension pick-up
(mounting) points, add 200 lbs.
(Refer to current ITCS Sections
12.1.4.D.5.c and d for allowable
suspension modifications).
TB 98-04 Eff 4/1/98 EP p 38-39 1990-1994 Nissan Sentra SER. Add to
Notes: Alternate (synchro)
transmission, add 50 lbs; alternate
dog-ring transmission, add 100 lbs;
alternate sequentially shifted
transmission, add 175 lbs.
TB 98-07 Eff 7/1/98 EP p 40-41 Porsche 914/4. Add to the
specifications as follows: Bore &
Stoke: 94.0mm x 79.0mm, Displacement:
1968cc, Valves: 1.42" (E) - 1968cc,
Weight: 1968=2020 lbs.
TB 98-05 Eff 5/1/98 EP p 42-43 1985-1987 Volkswagen Golf 1780. Add to
Wheels: 15" x 7".
TB 98-05 Eff 5/1/98 EP p 42-43 Volkswagen Rabbit (includes
convertible) 1715/1780. Add to Wheels:
15" x 7".
TB 98-05 Eff 5/1/98 EP p 42-43 Volkswagen Scirocco 1715/1780. Add to
Wheels: 15" x 7".
TB 98-03 Eff 3/1/98 EP p 42-43 Volvo 142/143E. Reduce weight to 2240
lbs.
TB 98-06 Eff 6/1/98 EP p 42-43 Volvo P-1800, 1800S, 1800E, 1800ES
Sports Coupe. Correct exhaust valve
size to 35.0mm.
TB 98-07 Eff 7/1/98 EP Classify 1986-1989 Acura Integra.
- Engine Type: 4 cyl DOHC
- Bore: 75.0mm
- Stoke: 90.0mm
- Displacement:
- Head Material: Aluminum
- Block Material: Iron
- Valve Head Diameter: (I) 30.0mm
- (E) 27.0mm
- Induction: Two (2) automotive type
with 30mm venturis or original fuel
injection
- Wheelbase: 96.5"
- Track: (F)
(R)
- Wheels: 14" x 7", 15" x 7"
- Number of Forward Speeds: 5
- Brakes: (F) 242mm Disc
(R) 239mm Disc
- Weight: 2000 lbs
- Notes: Compression ratio limited to
12.0:1. Cylinder head preparation
per Improved Touring specifications
except that the cylinder head may be
milled to achieve maximum compression
ratio (i.e. no porting, stock valve
job, no chamber modifications).
Valve Lift: .500" max.
- Restrictions: Alternate transmission
permitted, weight penalties included
in TB 98-08. Modified or relocated
suspension pick-up (mounting) points,
add 200 lbs. (Refer to current ITCS
Sections 12.1.4.D.5.c and d for
allowable suspension modifications).
TB 98-07 Eff 7/1/98 EP Classify BMW Z3 1.9 (Regional only,
National classification effective
1/1/99).
- Engine Type: 4 cyl DOHC
- Bore: 85.1mm
- Stoke: 83.6mm
- Displacement: 1895cc
- Head Material: Aluminum
- Block Material: Iron
- Valve Head Diameter: (I) 33.0mm
- (E) 30.5mm
- Induction: Two (2) automotive type
with 30mm venturis or original fuel
- Wheelbase: 96.3"
- Track: (F)
(R)
- Wheels: 15" x 7"
- Number of Forward Speeds: 5
- Brakes: (F) 286mm Disc
(R) 280mm Disc
- Weight: 2100 lbs
- Notes: Compression ratio limited to
12.0:1. Cylinder head preparation
per Improved Touring specifications
except that the cylinder head may be
milled to achieve maximum compression
ratio (i.e. no porting, stock valve
job, no chamber modifications).
Valve Lift: .500" max.
- Restrictions: Alternate transmission
permitted, weight penalties included
in TB 98-08. Modified or relocated
suspension pick-up (mounting) points,
add 200 lbs. (Refer to current ITCS
Sections 12.1.4.D.5.c and d for
allowable suspension modifications).
TB 98-02 Eff 2/1/98 EP Classify Datsun 240Z
- Engine Type:
- Bore: 83.0mm
- Stoke: 73.3mm
- Displacement: 2380cc
- Head Material: Aluminum
- Block Material: Iron
- Valve Head Diameter: (I)
- (E)
- Induction: Two (2) Hitachi-SU (1bbl)
- Number of Forward Speeds: 4
- Wheelbase: 90.7"
- Track: (F) 56.9"
(R) 56.6"
- Wheels: 15" x 7"
- Brakes: (F) 10.7" disc
(R) 9.0" drum
- Weight: 2250 lbs
- Notes: Compression ratio limited to
12.0:1. Cylinder head preparation
per Improved Touring specifications
except that the cylinder head may be
milled to achieve maximum compression
ratio (i.e. no porting, stock valve
job, no chamber modifications).
Valve Lift: .500" max. Carburetor
preparation per current Improved
Touring rules.
- Restrictions: Alternate transmission
permitted, add 100 lbs. Modified or
relocated suspension pick-up
(mounting) points, add 200 lbs.
(Refer to current ITCS Sections
12.1.4.D.5.c and d for allowable
suspension modifications).
TB 98-03 Eff 3/1/98 EP Datsun 240Z. Add 14" x 7" wheels to
the specifications.
TB 98-04 Eff 4/1/98 EP Datsun 240Z. Add to Notes: Alternate
(synchro) transmission, add 50 lbs;
alternate dog-ring transmission, add
100 lbs; alternate sequentially shifted
transmission, add 175 lbs.
TB 98-02 Eff 2/1/98 EP Classify Datsun 260Z
- Engine Type:
- Bore: 83.0mm
- Stoke: 79.0mm
- Displacement: 2565cc
- Head Material: Aluminum
- Block Material: Iron
- Valve Head Diameter: (I)
- (E)
- Induction: Two (2) Hitachi-SU (1bbl)
- Number of Forward Speeds: 4
- Wheelbase: 90.7"
- Track: (F) 56.9"
(R) 56.6"
- Wheels: 15" x 7"
- Brakes: (F) 10.7" disc
(R) 9.0" drum
- Weight: 2430 lbs
- Notes: Compression ratio limited to
12.0:1. Cylinder head preparation
per Improved Touring specifications
except that the cylinder head may be
milled to achieve maximum compression
ratio (i.e. no porting, stock valve
job, no chamber modifications).
Valve Lift: .500" max. Carburetor
preparation per current Improved
touring rules.
- Restrictions: Alternate transmission
permitted, add 100 lbs. Modified or
relocated suspension pick-up
(mounting) points, add 200 lbs.
(Refer to current ITCS Sections
12.1.4.D.5.c and d for allowable
suspension modifications).
TB 98-02 Eff 2/1/98 EP Classify 1994-1996 Mazda Miata MX-5
- Engine Type:
- Bore: 83.0mm
- Stoke: 85.0mm
- Displacement: 1839cc
- Head Material: Aluminum
- Block Material: Iron
- Valve Head Diameter: (I) 31.1mm
- (E) 28.2mm
- Induction: Two (2) automotive type
side draft with 32mm venturis or
original fuel injection
- Number of Forward Speeds: 5
- Wheelbase: 89.2"
- Track: (F) 58.2"
(R) 58.7"
- Wheels: 15" x 7"
- Brakes: (F) 255mm disc
(R) 251mm disc
- Weight: 2100 lbs
- Notes: Compression ratio limited to
12.0:1. Cylinder head preparation
per Improved Touring specifications
except that the cylinder head may be
milled to achieve maximum compression
ratio (i.e. no porting, stock valve
job, no chamber modifications).
Carburetor preparation per current
Improved touring rules.
- Restrictions: Alternate transmission
permitted, add 100 lbs. Modified or
relocated suspension pick-up
(mounting) points, add 200 lbs.
(Refer to current ITCS Sections
12.1.4.D.5.c and d for allowable
suspension modifications).
TB 98-03 Eff 3/1/98 EP Delete classification of 1994-1996
Mazda Miata MX-5 in TB 98-02.
TB 98-07 Eff 7/1/98 EP Classify 1999 Mazda Miata M2 (Regional
only, National classification effective
1/1/99).
- Engine Type:
- Bore:
- Stoke:
- Displacement:
- Head Material:
- Block Material:
- Valve Head Diameter: (I)
- (E)
- Induction:
- Wheelbase:
- Track: (F)
(R)
- Wheels:
- Number of Forward Speeds:
- Brakes: (F)
(R)
- Weight: 2000 lbs
- Notes: Compression ratio limited to
12.0:1. Cylinder head preparation
per Improved Touring specifications
except that the cylinder head may be
milled to achieve maximum compression
ratio (i.e. no porting, stock valve
job, no chamber modifications).
Valve Lift: .500" max.
- Restrictions: Alternate transmission
permitted, weight penalties included
in TB 98-08. Modified or relocated
suspension pick-up (mounting) points,
add 200 lbs. (Refer to current ITCS
Sections 12.1.4.D.5.c and d for
allowable suspension modifications).
TB 98-07 Eff 7/1/98 EP Classify Nissan NX-2000.
- Engine Type:
- Bore: 86.0mm
- Stoke: 86.0mm
- Displacement: 1998cc
- Head Material:
- Block Material:
- Valve Head Diameter: (I) 34.2mm
- (E) 30.2mm
- Induction:
- Wheelbase: 95.7"
- Track: (F) 60.0"
(R) 59.1"
- Wheels: 13" x 7", 14" x 7", 15" x 7"
- Number of Forward Speeds:
- Brakes: (F) 249mm Disc
(R) 234mm Disc
- Weight: 2210 lbs
- Notes: Compression ratio limited to
12.0:1. Cylinder head preparation
per Improved Touring specifications
except that the cylinder head may be
milled to achieve maximum compression
ratio (i.e. no porting, stock valve
job, no chamber modifications).
Valve Lift: .500" max.
- Restrictions: Alternate (synchro)
transmission, add 50 lbs; alternate
dog ring transmission, add 100 lbs;
alternate sequentially shifted
transmission, add 175 lbs. Modified
or relocated suspension pick-up
(mounting) points, add 200 lbs.
(Refer to current ITCS Sections
12.1.4.D.5.c and d for allowable
suspension modifications).
TB 98-01 Eff 1/1/98 EP Classify Nissan 200SX SER.
- Engine Type:
- Bore: 86.0mm
- Stoke: 86.0mm
- Displacement: 1998cc
- Head Material:
- Block Material:
- Valve Head Diameter: (I) 34.2mm
- (E) 30.2mm
- Induction:
- Number of Forward Speeds:
- Wheelbase: 95.7"
- Track: (F) 60.0"
(R) 59.1"
- Wheels: 13" x 7", 14" x 7", 15" x 7"
- Brakes: (F) 249mm Disc
(R) 234mm Disc
- Weight: 2210 lbs
- Notes: Compression ratio limited to
12.0:1. Cylinder head preparation
per Improved Touring specifications
except that the cylinder head may be
milled to achieve maximum compression
ratio (i.e. no porting, stock valve
job, no chamber modifications).
- Restrictions: Alternate transmission
permitted, add 100 lbs. Modified or
relocated suspension pick-up
(mounting) points, add 200 lbs.
(Refer to current ITCS Sections
12.1.4.D.5.c and d for allowable
suspension modifications).
TB 98-02 Eff 2/1/98 EP Nissan 200SX SER. Correct
specifications as follows:
- Wheelbase: 95.7"
- Track: (F) 60.5"
(R) 59.7"
TB 98-03 Eff 3/1/98 EP Classify 1978-1981 Nissan 510. Same
specifications as Nissan 200-SX 2.0L
except as follows:
- Wheelbase: 94"
- Track: (F) 58.2"
(R) 57.0"
TB 98-02 Eff 2/1/98 EP Classify Porsche 924
- Engine Type:
- Bore: 86.5mm
- Stoke: 84.4mm
- Displacement: 1984cc
- Head Material: Aluminum
- Block Material: Iron
- Valve Head Diameter: (I) 40.0mm
- (E) 33.0mm
- Induction: Two (2) 40mm automotive
type carburetor with 30mm venturis or
original fuel injection
- Number of Forward Speeds: 5
- Wheelbase: 94.5"
- Track: (F)
(R)
- Wheels: 15" x 7"
- Brakes: (F) 10.1" disc (std)
11.1" disc (alt)
(R) 9.1" drum (std)
11.4" (alt)
- Weight: 2180 lbs
TB 98-06 Eff 6/1/98 EP Porsche 924. Correct specifications as
follows: Brakes Alt: (F) 11.1" Disc,
(R) 11.4" Disc.
TB 98-07 Eff 7/1/98 EP Porsche 924. Correct specifications as
follows: Carb No. and Type: Two (2)
automotive type with 30mm venturis.
TB 98-03 Eff 3/1/98 EP Classify 1982-1984 Volkswagen Jetta.
- Engine Type: 4 cyl SOHC
- Bore: 79.5mm 86.4mm
- Stoke: 81.0mm 86.4mm
- Displacement: 1715cc 1780cc
- Head Material: Aluminum
- Block Material: Iron
- Valve Head Diameter: (I) 34.0mm
40.0mm
- (E) 31.0mm
- Induction: One (1) 40 DCN, DCNF, or
IDF w/36mm venturis, Two (2)
automotive type side draft w/28mm
venturis on I.R. manifold, original
fuel injection, One (1) 32/36
DGA/DGAV
- Wheelbase: 94.5"
- Track: (F) 57.0"
(R) 55.6"
- Wheels: 13" x 7"
- Number of Forward Speeds: 5
- Brakes: (F) 239mm disc
(R) 180mm x 30mm drum
- Weight: 2080 lbs
- Notes: Intake manifold unrestricted
TB 98-05 Eff 5/1/98 FP p 44-45 Fiat 124 Sport Coupe. Decrease weight
to 1875 lbs.
TB 98-05 Eff 5/1/98 FP p 44-45 -1977 Fiat 124 Sport Spider. Decrease
weight to 1875 lbs.
TB 98-05 Eff 5/1/98 FP p 46-47 Opel GT. Decrease weight to 2020 lbs.
TB 98-06 Eff 6/1/98 FP p 46-47 Opel GT. Decrease weight to 2000 lbs.
Correct venturi size to 30mm.
TB 98-02 Eff 2/1/98 FP p 48-49 1971-1974 Toyota Corolla. Change
specifications as follows:
- Track: (F) 54.5"
(R) 55.5"
- Wheels: 13" x 7"
TB 98-02 Eff 2/1/98 FP p 48-49 1971-1974 Toyota Corolla. Correct
carburetion as follows: One (1) 40 DCN,
One (1) 40 DCNF, One (1) 32/36 DGV, One
(1) 32/36 DGAV, Two (2) automotive type
side draft w/28mm venturis on I.R
manifold.
TB 98-05 Eff 5/1/98 FP p 48-49 Triumph Spitfire Mk IV and 1500.
Decrease weight to 1660 lbs.
TB 98-07 Eff 7/1/98 FP p 48-49 Triumph Spitfire Mk IV and 1500.
Correct weight for 1296cc engine to
1600 lbs.
TB 98-02 Eff 2/1/98 FP p 48-49 Volkswagen Rabbit Cabriolet. Add to
Notes: Factory roll bar must be
removed.
TB 98-05 Eff 5/1/98 FP p 48-49 Volkswagen Rabbit (includes
convertible). Increase choke to 30mm.
TB 98-05 Eff 5/1/98 FP p 48-49 Volkswagen Scirocco. Increase choke to
30mm.
TB 98-02 Eff 2/1/98 FP Classify 1986-1989 Acura Integra 1.6.
- Engine Type:
- Bore: 75.0mm
- Stoke: 90.0mm
- Displacement: 1598cc
- Head Material: Aluminum
- Block Material: Aluminum
- Valve Head Diameter: (I) 30.0mm
- (E) 27.0mm
- Induction: Two (2) 40mm automotive
type with 28mm venturis or original
fuel injection
- Number of Forward Speeds: 5
- Wheelbase: 96.5"
- Track: (F)
(R)
- Wheels: 14" x 7"
- Brakes: (F) 242mm disc
(R) 239mm disc
- Weight: 2180 lbs
TB 98-04 Eff 4/1/98 FP Reinstate Lotus 7 and 7 America
(Inadvertently dropped from current
PCS).
- Engine Type: 4 cyl OHV
- Bore: 3.19" 2.48"
- Stoke: 1.91" 3.00"
- Displacement: 997cc 948cc
- Head Material: iron
- Block Material: iron
- Valve Head Diameter: (I) 1.30" 1.16"
- (E) 1.20" 1.00"
- Induction: 997cc - Two (2) 1.25" SU
948cc - Two (2) 1.25" or
1.125" SU or
Stromberg
- Wheelbase: 88.0"
- Track: (F) 50.9"
(R) 52.0"
- Wheels: 13" x 6"
- Number of Forward Speeds:
- Brakes: (F) 8" Drum
(R) 7" Drum
- Weight: 1045 lbs
- Notes: Alternate front brakes - P/N
CAO-B405/6 9" disc brake kit. Front
track with alternate front brakes:
51.8". Authorized frame modification
information available from SCCA. BMC
Mark III transmission with 948cc
engine. Highlights and associated
hardware may be removed. Manifold
unrestricted for two (2) SU
carburetors. Wood floorboards may be
replaced by metal. Rear edge of
front fenders is to be 4.5" above the
body undertray.
TB 98-07 Eff 7/1/98 FP Classify Mazda GLC/323.
- Engine Type: 4 cyl SOHC
- Bore: 78.0mm
- Stoke: 83.6mm
- Displacement: 1597cc
- Head Material: Aluminum
- Block Material: Iron
- Valve Head Diameter: (I) 38.1mm
- (E) 32.1mm
- Induction: Two (2) automotive type
with 32mm venturis or original fuel
injection
- Wheelbase: 94.5"
- Track: (F)
(R)
- Wheels: 13" x 7", 14" x 7"
- Number of Forward Speeds: 4/5
- Brakes: (F) 238mm Disc
(R) 200mm Drum
- Weight: 1800 lbs
- Notes: Compression ratio limited to
12.0:1. Cylinder head preparation
per Improved Touring specifications
except that the cylinder head may be
milled to achieve maximum compression
ratio (i.e. no porting, stock valve
job, no chamber modifications).
Valve Lift: .500" max.
- Restrictions: Alternate transmission
permitted, weight penalties included
in TB 98-08. Modified or relocated
suspension pick-up (mounting) points,
add 200 lbs. (Refer to current ITCS
Sections 12.1.4.D.5.c and d for
allowable suspension modifications).
TB 98-02 Eff 2/1/98 GP p 52-53 Nissan / Datsun PL510. Correct
specifications as follows:
- Track: (F) 54.5"
(R) 54.5"
- Wheels: 13" x 7"
TB 98-03 Eff 3/1/98 GP p 52-53 Nissan / Datsun PL510. Correct
carburetion as follows: One (1) 40
DCFN, One (1) 40 IDF, One (1) 32/36
DGV, One (1) 32/36 DGAV, Two (2)
automotive type side draft w/28mm
venturis on I.R manifold.
TB 98-04 Eff 4/1/98 GP p 52-53 Triumph Spitfire Mk II. Add to Notes:
Use of cylinder head casting P/N 303014
is not permitted. Cylinder head
casting numbers must be maintained.
TB 98-02
TB 98-03 Eff 2/1/98 GP p 54-55 Volkswagen Rabbit (includes
convertible) 1457/1471. Correct
specifications as follows:
- Weight: 1900 lbs
TB 98-073 Eff 72/1/98 GP p 54-55 Volkswagen Rabbit (includes
convertible) 1457/1471. Correct Weight
to 1880 lbs.
TB 98-02
TB 98-03 Eff 2/1/98 GP p 54-55 Volkswagen Scirocco 1457/1471. Correct
specifications as follows:
- Number of Forward Speeds: 4 or 5
- Weight: 1900 lbs
TB 98-07 Eff 7/1/98 GP p 54-55 Volkswagen Scirocco 1457/1471. Correct
Weight to 1880 lbs.
TB 98-05 Eff 5/1/98 GP p 54-55 Volkswagen Scirocco 1457/1471. Change
the specifications as follows: Trans
Speeds: 4 or 5.
TB 98-02 Eff 2/1/98 HP p 57 Austin Healey Sprite Mk I, II, III, IV.
Add to Notes: as follows: Correct
cylinder head P/N's are 2A629, 12A185,
12G202.
TB 98-02 Eff 2/1/98 HP p 57 Honda Civic. Change specifications as
follows:
- Weight: 1710 lbs
TB 98-07 Eff 7/1/98 HP p 57 Honda Civic. Increase Weight to 1830
lbs.
TB 98-02 Eff 2/1/98 HP p 57 MG Midget Mk I, II, III, IV. Add to
Notes: as follows: Correct cylinder
head P/N's are 2A629, 12A185, 12G202.