![[Datsun 1200 encyclopedia]](/wiki/upload/wiki.png)
Datsun 1200 uses a single-outlet cast-iron exhaust manifold. It has a two-bolt flange to the Exhaust Piping. They can be replaced with tubular headers.
Contents |
Overview
The standard Datsun 1200 exhaust manifold features a Heat Riser to deflect hot exhaust towards the bottom of the intake manifold. Since it bolts to the intake, it requires a matching Intake Manifold.
See main article: Heat Riser
GX exmani for Datsun 1200 is a divorced type -- not connected to the intake manifold
Divorced type is used with a water-heated Intake Manifold.
Heating the intake plenum is important for part-throttle performance/driveability and fuel-economy. For more information, see Heat Riser.
Gasket
Dual-outlet exhaust manifolds (Twin Carb engines + A15E) used a flat packing (gasket).
A12 made from 1990- used a different manifold that used a flat packing (A12 with 3-bolt flange). See #95W Late 1200.
For all other single-outlet exhaust manifolds, there is no packing (gasket) between exhaust manifold and exhaust pipe. Instead the pipe has a flaring that seals it.
If the original exhaust pipe is not available, an aftermarket donut gasket can be fitted to plain 1.5 inch exhaust pipe. This is a donut seal (compression type) such as used by MGs and Austins and 1960s American cars. It is made of an asbestos-like material.
Alternatively, an exhaust shop can weld a flange to the exhaust pipe and a flat gasket can be used.
Single Outlet
Early A12s used a two-bolt exhaust pipe flange. A14/A15 and late A12 have three-bolt exhaust pipe flange.
2-Bolt Outlet
Datsun 1200
B110 manifold has heat riser for bottom of intake manifold.
- 3-bolt stove gasket
- Datsun 1000 manifold is similar, but with a smaller 30mm outlet. A12 engine has 34mm outlet. Also the exhaust pipe joint is reshaped for performance increase.
B110 | B10
14004-H1030 MANIFOLD-EXHAUST 1 A12 CRANK -273 USA,JDM NLA14004-H1930 MANIFOLD-EXHAUST 1 A12 EXHAUST USA - superceded 14004-H3950 MANIFOLD-EXHAUST 1 A12 0671 USA - superceded 14004-H3930 MANIFOLD-EXHAUST 1 A12 -273 USA 14004-H3950 superceded 14004-H3931 MANIFOLD-EXHAUST 1 A12 0373- USA 14004-H3930 $203.14
14004-H1031 MANIFOLD-exhaust, with heat control (from '73-3) JDM, also B120 -7908 08213-82810 STUD (fixing manifold to exhaust tube and cylinder head) (11) 14064-H5001 STUD B120 7510-8910 14005-18000 GASKET (fixing intake manifold to to exhaust manifold)
08213-82810 STUD FIXING EXHAUST MANIFOLD TO EXHAUST 2 14005-18001 GASKET-INTAKE TO EXHAUT MANIFOLD 14005-18000 14005-18000 GASKET-INTAKE TO EXHAUT MANIFOLD 08110-63210 BOLT INTAKE TO EXHAUT MANIFOLD 2 01111-00032 BOLT 08915-13610 WASHER-LOCK INTAKE TO EXHAUT MANIFOLD 3 08911-10810 NUT CYLINDER HEAD TO MANIFOLD 9 08915-13810 WASHER-LOCK 5 14037-32200 YOKE-MANIFOLD 4 14035-K7700 GASKET-MANIFOLD TO CYLINDER HEAD 14035-18000 14035-18000 GASKET-MANIFOLD TO CYLINDER HEAD 14022-18000 SPRING-HEAT CONTROL THERMS 14025-85061 KEY-HEAT CONTROL VALVE 14026-18001 WEIGHT-COUNTER VALVE 14027-36700 WASHER-HEAT CONTROL 14047-36700 SPRING-STOPPER HEAT CONTROL
The optional heated-air cleaner duct clamps on (later manifolds used a bolt-on heated air duct):
Datsun 1000
Heat Riser flap was used starting in mid-1967. B10 manifold look like the 1200 manifold, but the heat riser area is smooth, without the two vertical standups of the 1200 exmani.
1000 Coupe used a dual-outlet exhaust manifold (see #Double-Outlet section below)
14000-18000 ASS'Y-MANIFOLD, intake & exhaust (up to E/# A10-200838) 14000-25700 ASS'Y-MANIFOLD, intake & exhaust Coupe 14003-18000 MANIFOLD-intake 14003-18001 MANIFOLD-intake (from E/# A10-200839) (exc. Coupe) 14005-18000 GASKET (fixing intake manifold to to exhaust manifold) 14004-18000 MANIFOLD-exhaust 14004-18050 ASS'Y-MANIFOLD, exhaust [has heat riser flap] * 82-16828 STUD (fixing manifold to exhaust tube) 2 * 82-13828 STUD (fixing manifold to exhaust tube) 2 (from E/# A10-59060) 14004-25700 MANIFOLD-exhaust Coupe * 82-16822 STUD (fixing manifold to exhaust tube) 3 Coupe 14035-18000 GASKET-manifold to cylinder head
B210 JDM
14064-H5000 STUD (2) 14064-H5001 STUD (from '74-1) (2) 14004-H1031 MANIFOLD-exhaust [same as 1973 B110] A12 1974/1975 & A12 Van 14005-18000 GASKET-INT to EXT manifold 14004-H7431 MANIFOLD-EXHAUST A14S Van
14004-H8231 MANIFOLD-EXHAUST A12,A14S Coupe,Sedan 14097-U9500 GASKET-STOVE 14064-U6700 STUD-EXHAUST TUBE (3)
1974 A13
Larger passages EGR port 4-bolt square heat riser (stove) gasket 14004-H6230 MANIFOLD-EXHAUST 14004-H6232 MANIFOLD-EXHAUST code-5
Mid B120
B120 7907-8910 2-bolt outlet, similar to the old B10 manifold.
14064-H5001 STUD (2) 14004-G2536 MANIFOLD-EXHAUST 7908-8109 14005-18000 GASKET-INTAKE TO EXHAUST MANIFOLD 7908-8109 14004-G2561 MANIFOLD-EXHAUST 8110-8910 14005-G2560 GASKET-INTAKE TO EXHAUST MANIFOLD 8110-8910
H74
* heat riser, 4-bolt * 2-bolt outlet MANIFOLD-EXHAUST 14004-H7431 B210 JDM A14S Van 14004-H7431 B310 JDM A14S.Van -7909 14004-H7432 C120 A14 1078-0679 > 14004-H7431
3-bolt Single Outlet
When swapping from a 2-bolt outlet to 3-bolt outlet you will also need a new exhaust pipe flange.
HEAT-RISER TYPE (bolts to inlet manifold) H72, H74, H82, H95, H99, G25
DIVORCED TYPE (does not bolt to inlet manifold) * #H89 #H84 #H85 plain manifold * #H92 Adds EGR tube on front * #H86 #A12A_USA Adds EAI ports on runners #1 and #4 * #A15 (C22) Adds provision for O2 sensor * #95W_Late_1200 plain manifold with 02 Sensor * #LDV plain manifold 4-into-1 style
95W Late 1200
A12 late style (8910-) 3-bolt with O2 sensor with heat shield. Uses an actual gasket.
14004-95W00 MANIFOLD-EXHAUST SB B120 14004-95W01 MANIFOLD-EXHAUST LB B120 14064-11M00 STUD (3)
16590-G5100 COVER-MANIFOLD * Heat shield with hot-air tube connector and cutout for the Oxygen sensor
A14 USA
1975 A14 14004-H7230 MANIFOLD-EXHAUST -0775 B210 USA 14064-U6700 STUD FIXING EXHAUST MANIFOLDTO EXHAUST (3) New heat riser (stove) design borrowed from 610/620/710 larger exhaust ports (?) heat shield added 3 stud outlet
14097-U9500 GASKET-STOVE 0476- superceded 14097-U6701
1976-1978
14004-H7330 MANIFOLD-EXHAUST A14(USA) 0875-0776 14004-H7235 MANIFOLD-EXHAUST A14(USA) 0876-
14004-H7330 MANIFOLD-EXHAUST A14(CAN) 0875-0777 14004-H7235 MANIFOLD-EXHAUST A14(CAN) 0877-
14004-H7239 MANIFOLD-EXHAUST A14(FED)(GFU) 1276- B210
B310 FED KFU 14004-H7239 MANIFOLD-EXHAUST A14 FED(KFU) -0779 14004-H9900 MANIFOLD-EXHAUST A14 FED(KFU) 0879- 14097-U9500 GASKET-STOVE 14064-U6700 STUD-EXHAUST TUBE FIXING (3)
B310 except FED KFU 14004-H7235 MANIFOLD-EXHAUST A14/A15 -0779 14004-H7235 MANIFOLD-EXHAUST A14 CAN 0879-0780 14004-H99O0 MANIFOLD-EXHAUST A14,A15 FED 0879-0780 14004-H9910 MANIFOLD-EXHAUST A14,A15 CAL 0879-0780 14004-H9501 MANIFOLD-EXHAUST A14,A15 USA 0880- 14097-U9500 GASKET-STOVE 14064-U6700 STUD-EXHAUST TUBE FIXING (3)
A12A Canada
with heat riser 14004-H7239 MANIFOLD-EXHAUST A12A B310 CAN 14064-U6700 STUD FIXING EXHAUST MANIFOLDTO EXHAUST (3) 14097-U9500 GASKET-STOVE
A12A USA
without heat riser 14004-H9900 MANIFOLD-EXHAUST A12A B310 FED 0879-0780 14004-H9910 MANIFOLD-EXHAUST A12A B310 CAL 0879-0780 14004-H9501 MANIFOLD-EXHAUST A12A B310 USA 0880-
14064-U6700 STUD-EXHAUST TUBE FIX (3)
H95 with air injection tubes
B210 JDM
without heat riser 14004-H7431 MANIFOLD-EXHAUST A14S.V B210 14064-U6700 STUD-EXHAUST TUBE (3)
with heat riser
14004-H8231 MANIFOLD-EXHAUST A14S,A12S Coupe,Sedan B210
14064-U6700 STUD-EXHAUST TUBE (3)
14097-U9500 GASKET-STOVE
B310 JDM
14064-U6700 STUD-EXHAUST TUBE (3)
without heat riser 14004-H8501 MANIFOLD-EXHAUST A12S, A14S S,K+AT -8010 B310 14004-H8660 MANIFOLD-EXHAUST A13S, A15S 8011- B310
with 4-bolt heat riser 14004-H7431 MANIFOLD-EXHAUST A14S.V -7909 B310
with 3-bolt heat riser 14004-G2536 MANIFOLD-EXHAUST VAN 7910-
H84
H84 A14T twin-carb manifold without heat riser, 5-boss
14004-H8400 MANIFOLD-EXHAUST
H86
H89-style but with added Air Injection ports on front and rear runners
14001-H8660 JPN B310 A13s,A15S
H89
H89 A14/A15 manifold without heat riser
This is probably 14004-H8501 MANIFOLD-EXHAUST A12S, A14S S,K+AT -8010 B310 14004-H8660 MANIFOLD-EXHAUST A13S, A15S 8011- B310
A15
A15 Late without heat riser, with EGR port, with undrilled O2 boss, and additional undrilled boss to rear of Port 4
C22 Vanette A15
H92
14004-H9200 MANIFOLD-EXHAUST A14E
14004-H9260 Exhaust Manifold A15E dual-outlet (cast 'H926')
LDV
Late 1400 LDV "bakkie" manifold appears to be a 1-into-4 design
Dual Outlet
Shorty Headers
"Shorty" tubular headers which are a direct replacement for the cast iron version
See main article: Headers
Datsun 1000 Coupe
KB10 used a dual-outlet manifold with(?) a standard heat riser to keep the bottom of the intake manifold warm.
14000-25700 ASS'Y-MANIFOLD, intake & exhaust Coupe 14003-18000 MANIFOLD-intake (same as early non-Coupe) 14004-25700 MANIFOLD-exhaust Coupe 14005-18000 GASKET (fixing intake manifold to to exhaust manifold) 82-16822 STUD (fixing manifold to exhaust tube) (3) Coupe
A12 GX
A12GX Engine used a dual-outlet manifold that is not connected to the intake manifold (has no heat riser).
14004-H2300 MANIFOLD-exhaust 08213-82800 STUD-fixing exhaust tube 3
A15E Manifold
14004-H9260 MANIFOLD-EXHAUST A15E 20711-H9200 GASKET-EXHAUST
Vanette
14004-H7432 C120 A14 1078-0679 oval port, heat riser > 14004-H7431 14004-G2556 C120 A14 0779-0581 round port, heat riser > 14004-G2536 14004-G5200 GC22 A15S 0986-
with Oxygen Sensor
Forklift Manifold
エキゾースト マニホールド エキマニ