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[Datsun 1200 encyclopedia]

Nissan Z Engine

From Datsun 1200 Club

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Category: Nissan Engines

Z18ET turbo, Z20, Z22, Z24 -- these crossflow-headed engines are based on the L-series. All install into a 1200 more or less the same way (see Z-series Engine Swap).
IMG_1272.jpg

Contents

Overview

The Z-series engine replaced the L-series engine. Some Z-engine packages were called "NAPS-Z", and these were Z-engines with Nissan Anti-Pollution System (NAPS). In the USA where emissions were most important, the NAPS-Z twin-plug versions (or single plug with Catalytic Converter) completely replaced the L-series engines. In turn, the Z was replaced by NAPS-X engines.

Z-engine block
5629.jpgAlbum 5629

Z20 NAPS-Z engine in Datsun 1200
79.JPGAlbum 79

Supercharged NAPS-Z engine
825.jpgAlbum 825

NAPS-Z engine in 510
18173.jpgAlbum 18173

Turbocharged Z-series engine
829.jpgAlbum 829

Z24 in Datsun 1200
24559.jpgAlbum 24559 24560.jpgAlbum 24560 24555.jpgAlbum 24555

Z18 Turbo

Turbo Power! right from the factory.

Main: Z18ET

43.jpgAlbum 43

The nice thing about the Z18ET is its a factory setup, legal in most Australia states for a 1200. The downside is how available is it, including the wiring harness?

Sources

Z-series was a common engine in the larger Datsuns, as it replaced the L-series engine starting in 1979 in many markets.

Australia

910 Bluebird#910 (Japan import) Z18ET (Z18T)
720 Z20
D21 Navara Z20
Urvan Z20
Vanette Z20

Z18ET came in Japan-import cars. Australia models didn't have Z-turbo engines.

Bluebird Series I Z18ET (Japan-spec)
7097.jpgAlbum 7097 7098.jpgAlbum 7098

Japan

Z16S
Z18E/Z18S/Z18T
Z20D/Z20S/Z20E
Z22S
VEHICLE APPLICATION
A10	Z16E/Z16S/Z18E/Z18S
720	Z16S/Z18S
910	Z16S/Z18S/Z18E/Z18T/Z18P/Z20S/Z20E
C120 	Z20S
C210 	Z18S/Z18E
C230 	Z20S
C231 	Z18S
C31 	Z18P/Z18S/Z20S 
D21 	Z16S/Z18S/Z20S
E23 	Z18S/Z20S
E24 	Z20S
F22 	Z16S/Z20S
F30 	Z18S
H40 	Z20D (LPG/Dual), Z20S (Nissan Atlas/UD Condor)
R30 	Z18S/Z20E
S110 	Z18E/Z18S/Z18T/Z20E
TC22 	Z20S
W40 	Z22S
WE24 	Z20S
8-plug (twin-plug head)
A10    Z16/Z18
E24	Z20
WE24	Z20S
910	Z16S/Z18S/Z18P/Z18E/Z18ET/Z20S/Z20E
C120	Z20
C31	Z18S/Z18P/Z20S
E23	Z20
F30	Z18S
R30	Z18S/Z20E
S110	Z18S/Z18E/Z18ET/Z20E
4-plug (single-plug head)
720	Z16/Z18
D21	Z16S/Z18S/Z20S
TC22	Z20S
W40	Z22S
910	Z16S
E23	Z18/Z20
E24	Z20
F22	Z16/Z20
H40	Z20D/Z20S
R30	Z18S

North America

Z20S/Z20E
Z22S/Z22E
Z24S/Z24E/Z24I
S = single carburetor
E = multi-point injection
I = throttle body injection
VEHICLE APPLICATION
A10	Z20S
720	Z20S/Z22S/Z24S/Z24I
D21	Z24S
WD21	Z24I
GC22	Z24I
S110	Z20E/Z22E
4-PLUG (SINGLE-PLUG HEAD)
S110 Z20E FED (CAL used 8-plug)
A10 Z20S FED 1980
720 0179-1285
* L20B 1980 model year (0679-)
* Z22E 1981-1984
* Z20E 1983-1986 (0183-)
* Z24 1983-1986 (1182-)
* VG30 1986
S110 0179-0783 "200SX"
* Z20E -0681
* Z22E 0781-
A10 0177- "510"
* L20B 1978-1979 model years (from 1177-) 
* Z20S 4-plug FED.-0680 uses 22162-U6001 DISTRIBUTOR CAP (1980 only)
* Z20S 8-plug uses 22162-W0561/22162-W0562 DISTRIBUTOR CAP

Engine Swaps

See Main Article: Z-series Engine Swap

Heads North America

11041 HEAD ASSY-CYLINDER
720
 11041-04W80 L20B 0679-0680 <> 11041-W0381
 11041-07W80 Z22 0679-0681
 11041-07W03 Z22 0781-1282
 11041-10w00 Z24
 11041-W7080 Z20 -0784
 11041-W0481 Z20 0784-
S110
 11041-N8580 Z20E 0179-0780 FED
 11041-N8780 Z20E 0179-0780 CAL
 11041-N8561 Z20E 0880-0681
 11041-07W03 Z22E 0781-0783
A10
 11041-N8580 Z20S(FED) -0680
 11041-N8780 Z20S(CAL) -0680
 11041-N8580 Z20S 0780-

Head Gasket

11044 GASKET-CYLINDER HEAD
11044-W0400 Z20 (-0880) <> 11044-W0402 (0980-0681)
11044-W4000 720.Z20 <> 11044-W4001 <> 11044-W4002 0784-
11044-06W00 Z22 <?> 11044-06W01/11044-06W02
11044-06W03 Z22 (720.0582-, S110.0482) <> 11044-06W04 (0782-) <> 11044-06W05
11044-10W01 Z24 (-0983) <> 11044-10W02 (1083-)

Valve Cover Gasket

13270 GASKET-ROCKER COVER
13270-G2500 720.Z20/Z24,D21.Z24
for steel cover
79.JPGAlbum click to view
RockAuto $5
* ROL VS936 rubber
* DNJ VC602 rubber
* FelPro VS50246R or VS50354R rubber
* Victor Reinz VS38371 rubber
13270-W0401 S110.Z20E, A10 .Z20S, Z22 <> 13270-17C10 REINZ
for alloy cover
* Payen JM086 $6 at RockAuto
* Felpro VS50196C cork at RockAuto
* Victor Reinz VS20344 rubber
13272M LABEL-ROCKER COVER 720.1184-

Camshaft

13001 CAMSHAFT ASSY
13001-W0480 Z20/Z22/Z24 S110/A10/720/D21 <> 13001-W0483
13001-W0402 720.Z20 <> 13001-W0483
13001-17C80 All Models from 11/85 Z24I/Z20/Z24 D21/WD21/CG22
Z20/Z22/Z24 720/D21/WD21/GC22 SEALED POWER CS755 
* Hydraulic
* (050) Duration at .050 Lobe Lift: 227 Exh. 227 Int.

Head Types

11041-N8561 
 * NORTH AMERICA late Z20S/Z20E
 13201-N8501 VALVE-INTAKE late Z20 [42x8x124.4 mm]
 13202-N8500 VALVE-EXHAUST [38x8x125.4 mm]
 14035-W7061 GASKET-INTAKE MANIFOLD
 14036-W7060 GASKET-EXHAUST MANIFOLD
11041-N8580 Z20S 4-plug
* USA FED -0680 
 13201-N8500 VALVE-INTAKE early Z20
 13202-N8500 VALVE-EXHAUST Z20
 14035-W8800 GASKET-INTAKE MANIFOLD WITH BLADE FED [3-piece]
 * <?> 14035-W8805 <?> 14035-W8810 <?> 14035-W8815
 14036-W0401 GASKET-EXHAUST MANIFOLD
11041-N8780 Z20S 8-plug
* CALIFORNIA -0680
 13201-N8500 VALVE-INTAKE early Z20
 13202-N8500 VALVE-EXHAUST Z20
 14035-W7061 GASKET-INTAKE MANIFOLD CAL [1-piece]
 14036-W0401 GASKET-EXHAUST MANIFOLD [2-piece]
11041-07W03 
* S110 USA Z22E 0781-0783
* 720 USA Z22 0781-1282
 11044-06W05 GASKET-CYLINDER HEAD
 13270-W0401 GASKET-ROCKER COVER
 13001-W0480 CAMSHAFT ASSY <> 13001-W0483
 13201-N8501 VALVE-INTAKE
 13202-N8500 VALVE-EXHAUST
 14035-W1500 GASKET-INTAKE MANIFOLD
 14036-W7060 GASKET-EXHAUST MANIFOLD
11041-22G00 <> 11041-07G00 HAW/SAI FOR HIGH LEAD FUEL 
11041-10W00
* GC22 USA Z24I
* D21 USA 1185-0889 Z24I
* WD21 USA 0786-0889 Z24I
* 720 USA 1182- Z24
 11044-10W02 GASKET-CYLINDER HEAD
 13270-17C10 GASKET-ROCKER COVER
 13001-17C80 CAMSHAFT ASSY
 13201-N8501 VALVE-INTAKE
 13202-N8500 VALVE-EXHAUST
 14035-23G00 GASKET-INTAKE MANIFOLD
 14036-W7060 GASKET-EXHAUST MANIFOLD
11041-T8301 HEAD ASSY-CYLINDER (8208-8606) <> 11041-T8303 (8605-8805)
 * JAPAN W40 8208-9902 "シビリアン" (Civilian bus) Z22S 8208-8805
 * EUROPE 720.Z22
 * WORLDWIDE RHD 720.Z22
 * WORLDWIDE LHD 720.Z22
 11044-06W05 GASKET-CYLINDER HEAD <> 11044-06W04
 13270-G2500 GASKET-ROCKER COVER
 11056-H2301 BOLT-CYLINDER HEAD -8707 > 11056-H1000/11056-H1010 (8707-) 
 13001-W0480 CAMSHAFT ASSY <> 13001-W0483
 13201-N8501 VALVE-INTAKE
 13202-N8500 VALVE-EXHAUST
 14035-07N00 GASKET-INTAKE MANIFOLD
 14036-W0401 GASKET-EXHAUST MANIFOLD
11044 GASKET-CYLINDER HEAD
11044-06W02/11044-06W03/11044-06W04/11044-06W05
* Z22

Gaskets

GASKET-INTAKE MANIFOLD
Z16/Z18S/Z18P/Z20/Z22
* 14035-W7061 <> 14035-W1500 <> 14035-07N00
Z24
* 14035-10W00 <> 14035-10W01 <> 14035-23G00

Head Bolts

Z-series engines use head bolts designed for the A-series engines. For more details on the specific bolts, see Head Bolts.

Since the Z24 has common head gasket problems, it is recommended to re-torque the head bolts every 2 years/24000 miles. The smaller engines need no retorque if equipped with '13' bolts. Unmarked bolts should be retorqued every 2 years.

'13' bolts are high-tensile Chromoly-V steel alloy
23377.jpgAlbum 23377

Z16/Z18/Z20/Z22 - Same as original A12
* 97 mm length
11056-H2301 BOLT-CYLINDER HEAD (10) 
* All North America
* JAPAN (some engines)
* 58 lb ft [original use: A12GX center bolt]
* Head marked '13'
11056-H1000/11056-H1010 BOLT-CYLINDER HEAD
* JAPAN (some engines)
* 43 lb ft [original use: A12 center bolt]
* Unmarked head
Z24 - Same as A14/A15 
* 111 mm length
11057-H5700 BOLT-CYLINDER HEAD (10)
* 58 lb ft [original use: A12T center bolt]
* Head marked '13'

Valves

13201 VALVE-INTAKE
13201-N8500/13201-N8501 Z20E/Z22/Z24/Z24I
13201-W0401/13201-Y8780 Z20 

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