Flywheel Specifications For
Automotive Applications
The AERA Technical Committee suggest referring to the following
specification chart when resurfacing flywheels.
Specifications listed for S (Step) type flywheels refer to the height of the wear surface above the pressure plate mounting surface. Specifications for C (Cup) type flywheels refer to the height of the pressure plate mounting surface above the wear surface. F (Flat) type flywheels have the same height specification for the wear and pressure plate mounting surface.
Manufacturer Type Dimension Comments
AMC C .125 2.5 GM ENGINE
ACURA C .030 1.6 DOHC INTEGRA
C .060-.070 2.7 SOHC LEGEND
ALFA ROMEO C .878 3.0 DOHC SPIDER
C .878 116,119 MILANO GT
AUDI S .003-.005 1.6 TURBO DIESEL
YH,YK,YM EFI
C .982 2.1 5000 GAS
BMW S .013-.015 2.0 EFI 320I
F .984 MIN THICK 2.7 325E,528E
CHRYSLER S .012 1.4 RENAULT
F FLAT 1.5 MMC COLT
C .600-.605 2.0 TALON, LASER
F FLAT 2.0 SOHC
C .600-.605 2.0 DOHC TALON, COLT VISTA
F FLAT 2.2 TBI SHELBY
F FLAT 2.4 COLT VISTA
C .600.608 3.0 DOHC V6
C .605-.615 3.0 VIN K DOHC V6
C .605-.615 3.0 MMC SOHC MFI
C .603-.608 3.0 MMC MFI VIN U
C 1.000 3.7 APPLICATIONS
FIAT S .060 1.1 YUGO
S .018 1.8 DOHC SPIDER
FORD C 1.140-1.160 MODEL A
C .020 1.3 MAZDA, FESTIVA, ASPIRE 99H
C .020 1.3 2BC SOHC MAZDA
S .018-.020 1.6 MAZDA, TRACER, CAPRI
S .770 1.8 ESCORT, TRACER, DOHC
C .285 1.8 COURIER ONLY
F FLAT 1.9 ESCORT
S .020 2.2 PROBE 12 VALVE MAZDA
C .785 2.2 PROBE 12 VALVE MAZDA
F FLAT 2.3 OHC TBI MFI
F FLAT 2.3 TURBO DIESEL
C 1.000 2.4 MERCURY COMET
C 1.000 2.8 MERCURY COMET
C .003 2.8 RANGER V6
S .000-.003 2.9 V6 BRONCO RANGER
C .003 2.9 V6 MERKUR
F FLAT 3.0 V6 CAR & TRUCK
S .003-.005 3.0 SOHC VILLAGER
C 1.000 3.3 1980-1982
F FLAT 3.3 1963-1979
F FLAT 4.9 TRUCK
F FLAT 5.0 ROLLER CAM
F FLAT-.965 5.4 H/D L/D TRUCK
F FLAT-.965 MIN. 5.9 GAS TRUCK
F 1.005 MIN THICK 6.1 LPG GAS TRUCK
F FLAT-.965 MIN. 6.4 CAR & TRUCK
F FLAT-.965 MIN. 6.7 MARIO ANDRETTI SPCL
F 1.410 MIN THICK 6.9 DIESEL P/U TRUCK
C 1.475 7.0 HD TRUCK LPG MPFI
F 1.410 MIN THICK 7.3 NAVISTAR DIESEL
F FLAT 7.5 TRUCK
C 1.477 7.8 HD GAS TRUCK
F 2.445 MIN THICK 7.8 TURBO DIESEL TRUCK
C 1.477 8.8 HD GAS TRUCK
GM C .105-.110 1.0 METRO, HYD LIFTER
C .1969 1.0 MECH LIFTER
C .1969 1.3 GEO TRACKER
S .005-.015 1.5 OHC ISUZU CARBURATED
C .018-.022 1.6 CHEVETTE
C .018-.022 1.6 SOHC NOVA
C .787 1.6 DOHC STORM
C .787 1.6 SOHC STORM
C .078-.080 1.6 TBI DAWEOO LEMANS
C .1969 1.6 SOHC TBI TRACKER
S .015 1.8 LUV ISUZU
F FLAT 1.8 OHV CHEVROLET
F FLAT 1.8 OHC BRAZILIAN
S .010 OR FLAT 1.9 2BC OHC ISUZU
F 1.102 MIN THICK 1.9 Saturn, 21001186 CAST #
F .625 NEW 2.0 2BC OHV CHEVROLET
F FLAT-.750 2.0 BRAZILIAN OHC PONTIAC
C .788 2.3 DOHC 1995 AND UP
C .125 2.5 2BC PONTIAC
C .125 OR FLAT 2.5 TBI S-10
F FLAT 2.8 RWD CHEVROLET
C .125 3.0 BUICK HIGH DECK BLOCK
F FLAT 3.7 BUICK MARINE ALSO JEEP
C .125 3.8 ALL BUICKS
F FLAT 5.0 4BC CHEVROLET ROLLER
F FLAT 5.4 OLDSMOBILE
S .215 6.5 DIESEL TURBO/NON P/U
C .656 6.6 BUICK
F FLAT 7.4 CHEVROLET
HONDA C .030 1.5 TBI 16 VALVE HEAD
C .062 1.5 MFI 16 VALVE CIVIC
C .017 1.5 CIVIC CRX 8&12 VALVE HD
C .030 1.8 1-2-3BC ACCORD PRELUDE
C .615 2.0 ACCORD SOHC 12 VLV HD
S .008-.010 2.0 SOHC 12 VLV HD PRELUDE
C .615 2.0 SOHC EFI ACCORD
C .060-.065 2.2 SOHC MFI ACCORD
C .060-.070 2.7 SOHC 24 VALVE ACCORD
HYUNDAI F FLAT 1.5 MMC MPFI & G4AER
.157 2.4 SOHC MMC SONATA
ISUZU F FLAT 1.8 DIESEL F-MARK FWD
C .010-.017 1.9 IMPULSE OHC
C .010-.017 2.0 4ZC1 MFI TURBO
C .005-.015 2.2 C223 DIESEL P/U TURB/NON
F FLAT 2.3 SOHC AMIGO P/U IMPULSE
C .010-.017 2.3 SOHC AMIGO P/U IMPULSE
C .010-.017 2.3 4ZD1 2BC
C .157-.159 88-> 2.6 4ZE1 TROOPERII AMIGO
MAZDA C .640 1984 MAZDA ROTARY
S .062 MAZDA ROTARY
S .020 1.6 DOHC MIATA EFI
S .020 1.6 SOHC 323 EFI 8 VALVE
C .805 2.0 EFI SOHC 626 B2000
C .310 2.0 B2000
C .785 2.2 2BC B2200 8 VALVE HEAD
C .785 2.2 626 MFI TURBO/NON 12 VLV
S .020 2.6 MFI MPV B2600 12 VLV HD
MERCEDES BENZ C .885 2.4 240D 616.912
C .885 3.0 300SD TURBO DIESEL
MITSUBISHI F FLAT 1.5 G15B CARB MIRAGE PRECIS
C .600-.605 2.0 4G63 DOHC MFI ECLIPSE
F FLAT 2.4 4G64 MFI SOHC
C .605-.608 3.0 MIF DOHC
SEG/PED
DIAMANTE
C .603-.608 3.0 MFI DOHC TURBO 3000GT
C .620 3.0 MPFI SOHC 60^ DIMANTE
C .820 3.0 DOHC 60^V6 DIMANTE
C .600-.605 3.0 DOHC TURBO 3000GT
NISSAN C .807 NEW 1.4 2BC 210
.787 MIN.
S .006-.010 1.6 2BC SOHC PULSAR
S .006-.010 1.6 SOHC S ENTRA 12 VLV HD
S .006-.010 2.0 VIN CA20E EFI STANZA
S .006-.010 2.0 EFI 200SX
S .005-.015 2.0 2BC 510 PICK UP
S .010 2.4 2BC
S .006-.010 2.4 EFI MAXIMA P/U
S .006-.010 2.4 SOHC PATHFINDER P/U 720
S .003-.006 2.8 EFI TURBO 280ZX
C .005 3.0 EFI DOHC 300ZX 5-SPEED
C .003-.005 3.0 ALL VG30 MODELS
PEUGEOT S .020 1.9 SOHC DOHC 405S
PORSCHE C .500-.530 2.5 924S 944 SOHC MFI
F .3346 MIN THICK 3.3 911 TURBO EFI MPI
F .3898 MIN THICK 3.3 911 TURBO IN 1987
RENAULT S .014-.021 1.4 R1229 R1399 847 LECAR
STERLING C .060-.070 2.7 MFI SOHC 825
SUBARU C .830 1.2 2BC & MFI JUSTY SOHC
C .905-.930 1.8 OHC
C .830 1.8 EA81 OHV
C .905 1.8 EA81 OHV
SUZUKI C .197 1.0 3 CYLINDER
C .070 1.3 SOHC SAMURAI & GEO
TOYOTA C .965-.970 1.5 2BC TERCEL
C .055 1.5 OHC2BC TERCEL
S .040 1.5 2BC TERCEL 12 VLV HD
S .018-.022 2.4 22R 2BC
S .018-.022 2.4 P/U 4-RUNNER
S .015 3.0 MFI SOHC 4-RUNNER
S .020 3.9 LANDCRUISER
C .630 3.9 LANDCRUISER
S .020 4.2 2BC LANDCRUISER
VOLKSWAGEN C .945 1.2
C .830-.835 1.5 WATER COOLED RABBIT
C .885 1.6 1BC WATER COOLED
C .830-.835 1.8 MFI WATER COOLED GTI
C .913-.918 1.8 MFI DOHC GOLF GTI JETTA
C .982 1.9 VANAGON
C .913-.918 2.1 MFI WATERBOXER VAN
VOLVO C .947 2.3 MFI B230FT TURBO SOHC
The AERA Technical Committee
September 1997 - TB 1490
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Revised Cylinder Head & Block On
1987-Up Nissan 3.0L (VG30) Engines
Beginning with April, 1987 production, the cylinder heads and
block have been changed on Nissan 3.0L (VG30) engines.
Improvements were made to increase power output and decrease
noise levels of the engine.
Revised production engines can be identified by an engine serial
number that ends in W, such as XXXXXX W. Former engine serial
numbers end in either A or B. However, factory service
cylinder blocks will not carry the W identification even though
they feature the improvements listed below. A visual check is
necessary for proper identification.
Six new water galleries were added to the cylinder block (Figure
1) and the cylinder heads (Figure 2). This change required a
modification of the cylinder head gasket, where the original 6
water holes were downsized and 3 new holes added on the exhaust
side of the gasket (Figure 3). The revised cylinder head gasket
can also be identified by its differing identification tab.
Figure 4 best illustrates the former and revised head gaskets.
Additional changes were made throughout the engine. The pistons
now use full floating, larger diameter wrist pins. The small end
bore of the connecting rod was increased to accept the larger
wrist pin. The revised rod is also heavier than the former part.
Again, components are identified by a W stamp.
Nissan advises against the use of former parts when servicing
vehicles with engines manufactured as of April 1987. Refer to
the chart to determine the proper component combination when
servicing engines manufactured prior to April 1987 (Figure 5).
For additional information see AERA Technical Bulletins: TB 601,
653 & 752
The AERA Technical Committee
Cylinder Head Cylinder Short Acceptable
Head Gasket Block Block Combination
Revised Former Former N/A Yes
Former Former Revised N/A Yes
Former Former Former N/A Yes
Revised Revised Revised N/A Yes
Revised Former Revised N/A Yes
Revised Revised Former N/A No
Former Revised Revised N/A No
Former Revised Former N/A No
Former Former N/A Revised Yes
Revised Revised N/A Revised Yes
Revised Former N/A Revised Yes
Former Revised N/A Revised No
April 1991 - TB 761
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