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 Honda D16 and ZC engine

Honda D16 ZC engine (1986-2007)

The Honda D engine was installed in various compact cars from Honda and some Rover models. It is mostly found in the Civic but also in the Integra , Logo , CRX , Stream and some other models. The engine capacity is 1,590 cc (97 cu in)  1.6 liters and the engines are available in SOHC and DOHC versions. Some SOHC models are equipped with VTEC . The performance range is from 64 to 136 hp. The production was available from 1986 and ended in 2007 with the presentation of the eighth generation of the Civic.

One of the most popular and effective ways to get more power out of a D16-Series engine is to swap the cylinder head. The cylinder head of the installed engine is replaced with that of a more powerful D-series engine. This usually happens between D16A6 and D16Z6 engines or between D16Y7 and D16Y8 engines. The Z6 and the Y8 cylinder head have VTEC and bring a significant increase in performance over the production engine.

The process of exchange is called "mini-me". A Mini-Me swap is therefore achieves a noticeable increase in performance by comparatively low cost (which is not least due to the VTEC)

D16 series engines (1.6 liter) All below have the same Bore and Stroke: 75.0 mm × 90.0 mm  and Displacement: 1,590 cc (97 cu in)

D16A

  • Found in:1997-1999 JDM Honda Domani (MB4)
    • Compression : 9.3:1
    • Power : 120 PS (88 kW; 118 hp) at 6400 rpm
    • Torque: 144 Nm
    • Redline : 7000 rpm
    • VTEC Engages : 5500 rpm
    • Valvetrain : SOHC (4 valves per cylinder)
    • Fuel Control : OBD2a
    • Head Code : P08
    • ECU Code: PBB-J61

D16A1

  • Found in: 1986–89 Acura Integra (USA)
    • Valvetrain: DOHC 16-valve (four valves per cylinder)
    • Fuel Control :PGMFI
    • CG Gearbox – Cable Transmission
    • 1986–1987: USDM Browntop
      • Compression: 9.3:1
      • Power: 113 hp (84 kW; 115 PS) at 6250 rpm
      • Torque: 13.7 kg⋅m (134 N⋅m; 99 lb⋅ft) at 5500 rpm
      • Piston Code: PG6B
      • ECU Code: PG7, Vacuum Advance Distributor
    • 1988–1989: USDM Blacktop
      • Compression: 9.5: 1
      • Power: 118 hp (88 kW; 120 PS) at 6500 rpm
      • Torque: 14.2 kg⋅m (139 N⋅m; 103 lb⋅ft) at 5500 rpm
      • Piston Code: P29
      • ECU Code: PG7, Electronic Advance Distributor

D16A3

 
  • Found in: 1986–89 Acura Integra (Australia)
    • Compression : 9.5:1
    • Power: 88 kW (120 PS; 118 hp) at 5600 rpm
    • Torque: 140 Nm (14.3 kgm, 103 lbft) at 4800 rpm
    • Valvetrain: DOHC 16-valve, four valves per cylinder
    • Fuel Control: OBD-0 MPFI

D16A6 (D16Z2)

  • Found in:
    • 1988–1991 Honda Civic Si, CRX Si, 90-91 Civic EX (4dr), Civic Wagon RT4WD (USDM)
    • 1988–1995 Honda Civic Shuttle RT4WD (UK/Europe/Asia/AU/NZ)
    • 1989–1996 Rover 216/416 GSi/Tourer (UK/Europe)
      • Rod Length: 137 mm
      • Rod Ratio: 1.52~
      • Compression: 9.1:1
      • Power: 108 hp (80.5 kW, 110 ps) at 5600 rpm Note: 1988 engines were 105 hp (78.3 kW, 107 ps)
      • Torque: 100 lb·ft (13.9 kg·m, 136 N·m) at 4800 rpm
      • Redline: 6500 rpm (USA)
      • Rev limited to: 7200 rpm
      • Valvetrain: SOHC (4 valves per cylinder)
      • Cam Gear: 38 tooth
      • Fuel Control: OBD-0 MPFI
      • Head Code: PM3
      • ECU Code: PM6

D16A7 (D16A6 without catalytic converter)

  • Found in:
    • 1988–1991 Civic 1.6i (GTi) in New Zealand
    • 1988–1989 Civic models in Europe (ED4, ED7)
    • 1995 Civic models in New Zealand (EG4)
    • 1988–1995 Models in South Africa
    • 1994 Civic GTi (New Zealand) (Increased Output)
    • Ballade SH4 and SR4 (EE4 )
      • Rod Length : 137 mm
      • Compression : 9.6:1
      • Power : 117 hp (87 kW; 119 PS) at 5900 rpm
      • Torque : 13.9 kg⋅m (136 N⋅m; 101 lb⋅ft) at 4800 rpm
      • Valvetrain : SOHC, four valves per cylinder
      • ECU: PM6 (OBD-0) / P27 (OBD-1)?
      • Fuel Control : OBD-0 Multi-point PGM-FI, OBD-1 (NZDM)

D16A8

  • Found in:
    • 1988–1995 Civic/CRX/Concerto (UK/Europe/Australia)
    • 1992–1995 Rover 216/416 GTi (UK/Europe)
    • 1993–1997 Rover 216 Sport Coupé (Europe)
      • Compression : 9.5:1
      • Power : 122 PS (90 kW; 120 hp) at 6800 rpm
      • Torque : 14.9 kg⋅m (146 N⋅m; 108 lb⋅ft) at 5900 rpm
      • Valvetrain : DOHC (4 valves per cylinder)
      • Fuel Control : OBD-0 and OBD-1 MPFI
      • ECU Code : PP5 (OBD-0), P29 (OBD-1)
      • Head Code : PM7
      • Gearbox : L3

D16A9 (D16A8 without catalytic converter)

  • Found in:
    • 1988–1991 Concerto (UK/Europe)
    • 1988–1991 CRX 1.6i-16 (UK/Europe/South Africa)
    • 1990–1992 Ballade 160i-DOHC (South Africa)
    • 1988–1991 Civic 1.6i-16 (UK/Europe)
    • 1992–1993 Civic GTi (New Zealand)
    • 1989–1992 Rover 216/416 GTi (UK/Europe)
    • 1992–1995 Civic Si (Japanese, European and Peruvian version)
      • Compression : 9.5:1
      • Power : 125-129 hp (91.9-94.8 kW, 126-130 PS) at 6800 rpm
      • Torque : 105 lb·ft (14.5 kg/m, 143 Nm) at 5700 rpm
      • Valvetrain : DOHC 16 valve (4 valves per cylinder)
      • Redline: 7,200 rpm
      • Limit: 7,250 rpm
      • Fuel Cut: 7800 RPM (PM7)
      • Fuel Control : 88-91 OBD-0 MPFI (92-95 OBD-1)
      • ECU Code: (P29 OBD1)
      • Gearbox: non-LSD (1988-1991): L3, LSD (1992-1995): S20

D16B2

  • Found in:
    • 1998–2001 Honda Civic Aerodeck MC1 1.6i LS/ES/SR
    • 1997–2000 Rover 416si Automatic
      • Combustion Chamber Volume : 32.8 cc per cylinder
      • Power : 116 hp (85 kW)
      • Valvetrain : SOHC 16 Valve
      • VTEC Switchover : Non-VTEC
      • Fuel Control : OBD2

D16B5

  • Found in:
    • 1998–2000 Honda Civic GX
      • Rod Length : 137 mm
      • Compression : 12.5:1
      • Combustion Chamber Volume : 32.8 cc per cylinder
      • Valvetrain : SOHC VTEC-E
      • Fuel Control : OBD-2 MPFI
      • ECU Code: PDN-A02

D16B6

  • Found in:
    • 1999 Honda Accord (CG7/CH5, Europe)
      • Power: 116 PS (85 kW) at 6400 rpm
      • Torque: 140 N⋅m (14 kg⋅m) at 5100 rpm
      • Valvetrain: SOHC, four valves per cylinder
      • Fuel control: PGM-FI
      • Firing order 1,4-2,3

D16V1 VTEC (SOHC VTEC)

  • Found in:
    • 1999-2005 Honda Civic (European EM/EP2/EU8)
      • Compression: 9.4:1
      • Power: 110 PS (81 kW) at 5600 rpm
      • Torque: 152 N⋅m (112 lb⋅ft) at 4300 rpm
      • Redline: 6250 rpm
      • Rev Limit: 6500 rpm
      • Valvetrain: SOHC, 4 valves per cylinder
      • Fuel control: Multi-point fuel injection, PGM-FI
      • Ignition timing: 8±2° BTDC at 700±50 rpm
      • Firing order: 1 - 3 - 4 - 2
      • ECU code: PMH

D16W1 (non-VTEC)

  • Found in:
    • 1999–2006 Honda HRV
      • Power: 105 PS (77 kW) at 6200 rpm
      • Torque: 135 N⋅m (100 lb⋅ft) at 3400 rpm
      • Valvetrain: SOHC, four valves per cylinder
      • Fuel control: PGM-FI
      • ECU code :PEL

D16W3 (non-VTEC)

  • Found in:
    • 1998–2001 Honda Civic Aerodeck MC1 1.6i LS/SR
      • Power : 116 hp (85 kW)
      • Valvetrain : SOHC (4 valves per cylinder)

D16W4 VTEC

  • Found in:
    • 1999–2000 Honda Civic MB4 1.6i VTEC/ES
    • 1998–2001 Honda Civic Aerodeck MC1 1.6i VTEC/ES
      • Power : 126 hp (93 kW) at 6600 rpm
      • Valvetrain : SOHC (4 valves per cylinder)
      • Redline: 6800 rpm
      • Rev Limit: 7200 rpm
      • Piston Code: P2P
      • ECU Code: PDT
      • Fuel Control: OBD2-b
      • VTEC switchover: 5500 rpm
      • Torque: 106 lb⋅ft (144 N⋅m) at 5500 rpm
      • Compression: 9.6:1

D16W5 VTEC

  • Found in:
    • 2000–2006 Honda HRV
      • Power : 122 hp (91 kW)
      • Valvetrain : SOHC (4 valves per cylinder)
      • Fuel Control: OBD-2

D16W7 VTEC-E

Honda D16 ZC engine (1986-2007)

  • Found in:
    • 2005–2007 Honda Civic Vti-L/ Vti (Asia)
      • Compression: 10.9:1
      • Power: 115 hp (85.8 kW, 117 ps) at 5600 rpm
      • Torque: 112 lb·ft (15.5 kg/m, 152 Nm) at 4300 rpm
      • Valvetrain: SOHC, four valves per cylinder
      • Redline: 6100 rpm
      • Limit: 6200 rpm
      • Fuel Control: OBD-1 MPFI
      • ECU Code: PM12
    • Also found in 2001–2005 Honda Civic ES (Europe, Turkey, Singapore) as above, except:
    • Power: 110 hp (82.0 kW, 81 kW) at 5600 rpm
    • Torque: 112 lb·ft (15.5 kg/m, 152 Nm) at 4300 rpm
    • Redline: 6100 rpm
    • Limit: 6200 rpm

D16W9

  • Found in :
    • 2001–2005 Honda Civic VTi (Philippines, Pakistan)
      • Power: 130 hp (96.2 kW, 131 ps) at 6600 rpm
      • Redline: 7200 rpm
      • Valvetrain: SOHC VTEC3 (4 valves per cylinder)
      • 1st VTEC Switchover: 2500 rpm
      • 2nd VTEC Switchover: 5500 rpm
      • Fuel Control: OBD2

D16Y1

  • Found in :
    • 1992–1995 Honda Civic VTi (AUS)
      • Compression: 9.3:1
      • Power: 129 hp (96 kW; 131 PS) at 6600 rpm
      • Torque: 107 lb·ft (14.8 kg/m, 145 Nm) at 5200 rpm
      • Redline: 7200 rpm
      • Valvetrain: SOHC VTEC (4 valves per cylinder)
      • VTEC Switchover: 5000 rpm
      • Fuel Control: OBD-1 MPFI
      • Head Code: P08
      • ECU Code: P28

D16Y2

  • Found in :1995–1997 Honda Civic MB1 SR
    • Compression: 9.5:1
    • Power: 126 hp (94 kW) at 6500 rpm
    • Torque: 106 lb·ft (14.8 kg/m, 144 Nm) at 5200 rpm
    • Valvetrain: SOHC VTEC (four valves per cylinder)
    • Cylinder Head: P08
    • VTEC Switchover: 5500 rpm
    • Fuel Control: OBD-1 MPFI
    • ECU Code: P1H
    • Transmission: S20

D16Y3

  • Found in :
    • 1995–1997 Honda Civic MB1 LS (UK/Europe)
    • 1996–1997 Rover 416 SLI Auto (UK/Europe)
      • Compression: 9.4:1
      • Power: 113 hp (83 kW) at 5600 rpm
      • Torque: 140 nm at 5100 rpm
      • Redline: 7200 rpm
      • Valvetrain: SOHC (four valves per cylinder)
      • Fuel Control: OBD-1 MPFI

D16Y4

  • Found in:
    • 1998–2000 Civic 1.6 iES (Turkey)
    • 1996–2000 Civic CXi, GL, GLi (New Zealand, Australia)
      • Compression: 9.4:1
      • Power: 120 hp (88.0 kW) at 6,400 rpm
      • Torque: 144 nm at 5,000 rpm
      • Redline: 6,800 rpm
      • Rev-limiter: 7,200 rpm
      • Fuel Control: OBD-2 MPFI
      • Head Code: P2A-2
      • ECU Code: P2K
      • Rod /Stroke Ratio: 1.52
      • Rod Length: 152 mm
      • Deck Height: 212

D16Y5 VTEC-E

  • Found in :
    • 1996–2000 Honda Civic HX
    • 1996 Honda Civic EX (sedan Peruvian version)
      • Rod Length: 137 mm
      • Rod/Stroke: 1.52
      • Compression: 9.4:1
      • Power: 115 hp (86 kW, 117 PS) at 5,600 rpm
      • Torque: 104 lb·ft (14.4 kg/m, 141 Nm) at 4,500 rpm
      • Valvetrain: SOHC VTEC-E (4 valves per cylinder)
      • Fuel Control: OBD-2 MPFI
      • Head Code: P2J
    • 1996–2000 Honda Civic VTI
      • Power: 127 hp (94.7 kW, 129 ps) at 5,800 rpm
      • Valvetrain: SOHC VTEC-E (4 valves per cylinder)
      • Fuel Control: OBD-2 MPFI
      • Head Code: P2J
      • ECU Code: P2N
      • Piston Code : P2MY

D16Y7

  • Found in:
    • 1996–2000 Honda Civic DX/VP/LX/CX
    • 1998–2000 Honda Civic Special Edition – SE/EX (Canada)
    • 1996–1997 Honda Del Sol S
    • 1996–1997 Honda Civic Coupé LSI
      • Compression: 9.4:1
      • Power: 106 hp (79.0 kW, 107 ps) at 6,200 rpm
      • Torque: 103 lb·ft (140 N.m) at 4,600 rpm
      • Redline: 6,800 rpm
      • Rev-limiter: 7,200 rpm
      • Valvetrain: SOHC (4 valves per cylinder)
      • Fuel Control: OBD2 MPFI
      • Head Code: P2A-2
      • Piston Code: P2E
      • ECU Code: P2E

D16Y8

 1.6 litre 16-Valve, SOHC VTEC Also available in New Zealand under the code D16Y6

  • Found in:
    • 1996–1997 Honda Del Sol Si (US)
    • 1996–2000 Honda Civic EX (US, UK)
    • 1996-1998 Honda Civic Coupe (UK)
    • 1996–2000 Honda Civic Si (Canada)
    • 1997-2000 Acura 1.6 EL (Canada)
      • Redline: 6,800 rpm
      • Rev Limit: 7,200 rpm
      • ECU Code: P2P
      • Piston Code: P2P
      • Fuel Control: OBD2-b
      • VTEC switchover: 5,600 rpm
      • Power: 127 hp (95 kW) at 6,600 rpm
      • Torque: 107 lb⋅ft (145 N⋅m) at 5,500 rpm
      • Compression: 9.6:1
      • Deck Height: 8.347 inches
      • Rod Length: 5.394 inches

D16Y9 (non VTEC)

  • Found in:
    • 1996–2000 Honda Ballade/Civic in South Africa and Venezuela
      • Power: 79 kW (107.4 PS; 105.9 hp) at 5,900 rpm (AT: 110 hp (82.0 kW; 111.5 PS) at 5,500 rpm)
      • Torque: 108 lb·ft (14.9 kg/m, 146 Nm) at 4,000 rpm
      • Valvetrain: SOHC (4 valves per cylinder)
      • Fuel Control: OBD2A MPFI
      • Redline: 7,200 rpm
      • Rev-limiter: 7,411 rpm
      • Valvetrain: SOHC (4 valves per cylinder)
      • Head Code: P2A-9
      • Piston Code: P2K
      • ECU Code: P2K 2 connectors
    • The D16Y9 in South Africa has different power figures:
      • Power: 89 kW (119 hp) at 6,400 rpm
      • Torque: 146 Nm (108 lbf-ft) at 5,500 rpm

D16Z5 (catalytic converter)

  • Found in:
    • September 1989 – 1992 Honda CRX (European market)
      • Compression: 9.5:1
      • Power: 124 PS (91 kW; 122 hp) at 6,800 rpm
      • Torque: 14.3 kg⋅m (140 N⋅m; 103 lb⋅ft) at 5,700 rpm
      • Valvetrain: DOHC, four valves per cylinder
      • Cam Gear: 34 tooth
      • Fuel Control: OBD-0 PGM-FI
      • Head Code: P7
      • Piston Code: PM7
      • ECU Code: PM7
      • Clutch Kit: 210 mm disk

D16Z6 VTEC

Honda D16 ZC engine (1986-2007)

  • Found in
    • 1992–1995 Honda Civic Si
    • 1992–1995 Honda Civic EX, EX-V
    • 1992–1995 Honda Civic ESi (European Market)
    • 1993–1995 Honda Del Sol Si (US)
    • 1993–1996 Honda Del Sol ESi (European)
      • Rod Length: 137 mm
      • Rod Ratio: 1.52~
      • Compression: 9.2:1
      • Power: 125 bhp (92 kW, 125 PS) at 6,600 rpm
      • Torque: 106 lb·ft (14.7 kg/m, 144 Nm) at 5,200 rpm
      • Volumetric Efficiency: 87.68%
      • Redline: 7,200 rpm
      • Fuel cut: over 7,400 rpm
      • VTEC switchover: 4,800 rpm
      • Fuel control: OBD-1 PGM-FI
      • Head code: P08
      • ECU code: P28

D16Z7 VTEC

  • Found in
    • 1996–2000 Honda Civic EX Coupé
      • Rod Length: 137 mm
      • Rod Ratio: 1.52~
      • Compression: 9.6:1
      • Power: 127 bhp at 6600 rpm
      • Torque: 107 lb·ft at 5500 rpm
      • Redline: 7200 rpm

D16Z9 VTEC

  • Found in:
    • 1994–1995 Civic Coupé (EJ1) 1.6i ESi European
    • 1994–1995 Civic Sedan (EH5) 1.6i EX US
      • Compression: 9.3:1
      • Power: 130 hp (95.6 kW, 129,2 PS) at 6600 rpm
      • Torque: 106 lbf (144 Nm) at 5200 rpm
      • VTEC switchover: 4,800 rpm
      • Redline: 7200 rpm
      • Fuel cut: 7500 rpm
      • Valvetrain: SOHC VTEC (4 valves per cylinder)
      • Fuel control: OBD-1 MPFI
      • ECU code: P28

ZC Engine

Honda D16 ZC engine (1986-2007)

Some D Series engines are called "ZC" but are not really a stand-alone series. There are both SOHC and DOHC ZC engines.  from 1579 cc capacity which was installed in the Honda CRX AS 1986-1987.There are both SOHC and DOHC ZC engines. The non-VTEC SOHC ZC is similar to the D16A6 ('91–'96) and D16Y4 ('96–2000) engine, but with more aggressive cam timing. The SOHC VTEC ZC is similar to the D16Z6 ('91–'96). The DOHC ZC is similar to the D16A1, D16A3, D16A8, D16A9 and D16Z5 engines.

SOHC ZC VTEC

  • Found in
    • 1991–1993 Honda Civic Ferio EJ3 (JDM)
    • 1992–1995 Honda Civic EJ1 (JDM)
    • 1992–1995 Honda Domani MA4 (JDM)
      • Displacement : 1590 cc (97 cu in)
      • Bore and Stroke : 75 mm × 90 mm (3.0 in × 3.5 in)
      • Rod Length : 137MM
      • Rod/Stroke : 1.52
      • Compression : 9.2:1
      • Power : 125 hp (95.6 kW, 130 ps) at 6600 rpm
      • Torque : 107 lb·ft (14.8 kg/m, 145 Nm) at 5200 rpm
      • Redline : 7200 rpm
      • Fuel Cut : 7300 rpm
      • VTEC Switchover : 5500 rpm
      • Fuel Control : OBD-1 MPFI
      • ECU Code : P70 (Domani), P91 (Civic Coupé), P29

DOHC ZC Non-VTEC

  • Found in (JDM)
    • 1984–1987 Honda Ballade CRX AS
    • 1984–1987 Honda Civic AT
    • 1985–1987 Honda Integra AV/DA1 (Lower trim packages equipped with Single Carburetor)
    • 1986–1991 Honda CRX EF7
    • 1992–1995 Honda Civic EH1
      • Displacement : 1590 cc
      • Bore and Stroke : 75 mm X 90 mm
      • 1984–1987 Compression : 9.3:1 1988–1989 Compression : 9.5: 1
      • Single Carburetor : 100 PS (73.5 kW) at 6800 rpm; Torque : 92 lb·ft (12.8 kg/m, 126 Nm) at 5500 rpm
      • 1984–1987 Power : 115 PS (85 kW) at 6250 rpm; Torque : 99 lb·ft (13.7 kg/m, 134 Nm) at 5500 rpm
      • 1988–1989 Power : 120 PS (88 kW) at 6500 rpm; Torque : 103 lb·ft (14.0 kg/m, 137 Nm) at 5500 rpm
      • 1988–1991 Power : 130 PS (96 kW) at 6800 rpm; Torque : 106 lb·ft (14.7 kg/m, 144 Nm) at 5700 rpm
      • Valvetrain : DOHC
      • Piston Code 1986-'87 : PG6
      • Piston Code 1988-'89 : PM7
      • Fuel Control : OBD-0 MPFI

Euro Mk1 ('85-'87) 1.6 CRX's are fitted with an engine designated "ZC1" which is a higher spec 125 PS (92 kW) version of the D16A1. These were later replaced by the D16A8 or B16A, depending on the specs.

1st Gen ZC Identified by: External coil, small distributor, dual butterfly TB, cam cover bolts on top, brown/gold cam cover. Large cam pulleys. +3cc PG6B pistons, non-pent roof combustion chamber. As a ZC it appeared in JDM AV Integra Si and JDM E-AT Civic/CR-X Si. Commonly produced at the time but now over twenty years old and getting harder to find. D-series version is called D16A1, 1986-1987.

2nd Gen ZC (rarest) Identified by: Internal coil, large distributor, single butterfly TB mounted on slight angle forward, bolts on top of cam cover, black cam cover, large cam pulleys. +7cc PM7 pistons, 43 cc Pent roof combustion chamber. As a ZC appeared in JDM facelift AV bodied Integra Si did not appear in Civic or CR-X, rarest ZC only produced for less than one year. D-series version D16A1 '88-'89 (sometimes +7cc P29 pistons)

3rd Gen ZC Identified by: Internal coil, large distributor, single butterfly TB. Black cam cover. Cam cover bolts on the sides. Small cam pulleys. Inlet Manifold stamped PM7. +7cc PM7 pistons, 43 cc Pent roof combustion chamber. As a "ZC" this appeared in the JDM EF3 Civic and EF7 CR-X, and also in the JDM Honda Quint Integra GSi (DA1 chassis). This is the most commonly produced ZC, manufactured in Japan from end of '87 through to early '91 D-series version D16A8/9 (Euro Civic Si) (sometimes +7cc P29 pistons)

4th Gen ZC Identified by: Internal coil. OBD1 EFi system (grey plug). No cam angle sensor on exhaust cam, now located in distributor. Rubber plug where cam angle sensor would mount. Black cam cover. No PGM-EFi plate on the inlet manifold, replaced with three ribs instead. P29 stamped on inlet manifold. MAP sensor on TB. +7cc PM7 pistons, pent roof combustion chamber. As a ZC only appeared in EG5 Civic bodies, no Integra or CRX received this engine. Reasonably common produced from '92 to '94. (20th Anniversary edition & Japanese car of the year) D-series version D16A8/9 (Euro & Australia Civic Si) (sometimes +7cc P29 pistons)  

The D16A9 and D16Z5 have two overhead camshafts (DOHC), while all other D16 engines are SOHC engines. The D16A9 has in contrast to all other engines also no catalyst, resulting in the 7 hp performance difference compared to the otherwise identical D16Z5 result.

codeBore × strokecompressionkW at min -1Nm at min -1camshaftVTECOBD-Versionmodels
D16A175 × 90 mm9.3: 184/6250134/5500DOHC OBD-0 
D16A39.5: 188/6500139/5500DOHC OBD-0 
D16A69.1: 180/6300135/5200SOHC OBD-0Civic IV ED4, ED7
D16A89.5: 190/6800146/5700DOHC OBD-0Concerto
D16A99.5: 196/6800131/5700DOHC OBD-0CRX II ED9, Rover 216 GTi, Concerto ( Benelux only )
D16B29.4: 185/6300143/4800SOHC  Civic VI MB4
D16Y39.4: 183/5600140/5100SOHC OBD-1Civic VI MB1, Rover 416
D16Y59.4: 185/6200141/5400SOHCVTEC-EOBD-2a / bCivic VI EK1, MC1
D16Y79.4: 177/6200139/4600SOHC OBD-2Civic VI EJ6
D16Y89.6: 192/6600145/5500SOHCVTECOBD-2CRX III EH6, EJ8
D16Z29.2: 181/6300134/5200SOHC OBD-0Concerto, Civic IV ED4, ED7, EE5, Rover 416 GSi
D16Z59.5: 191/6800140/5700DOHC OBD-0CRX II ED9
D16Z62)9.4: 1 (P29 piston 12.05: 1)92/6500 (P29 pistons 127KW / 7300)143/5200 (P29 piston 192/6800)SOHC

Redl. 7100/7500

VTEC (switching point 5200)OBD-1Civic V EG5, EH9, CRX III EH6
D16Z79.6: 188/6500145/5200SOHCVTECOBD-1CRX III EH6 (Austria)
D16Z92) 9.4: 192/6500142/5200SOHCVTECOBD-1Civic V EJ1, Civic VI, Civic VI MB1
 
2 VTEC switching point: 4800 min -1
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Technical

  • Honda D16 engine Technical specifications

    Honda Model: Civic (73-91) 1.6 Engine code: D16A6 80 (109hp)


    No. of cylinders 4/OHC
    Compression ratio 9.1:1
    Suitable for unleaded petrol Yes 95 RON
    Fuel System Type PGM-FI
    Air metering Type MAP
    Combined ignition and fuel ECM
    Ignition coil Make Hitachi
    Firing order 1-3-4-2
    Distributor Make Hitachi
    Starter motor Make Mitsuba Type 1.4 kW
    Maximum cranking amps 127-155 A
    Alternator Make ND/Mitsubishi Type 60A
    Regulated voltage 13.9-15.1 V
    Fuel system Regulated pressure 2.55-2.85 bar
    Injector 1.5-2.5 Ohm

    Compression pressure 9.5-13 bar
    Oil pressure 4.6 bar at 3000 rpm

    1,6 VTEC D16W5 91 (124hp)

    No. of cylinders 4/OHV
    Capacity 1590 cc
    Compression ratio 9.6:1
    Suitable for unleaded petrol Yes
    Air metering Type MAP
    Combined ignition and fuel ECM
    Diagnostic socket Yes
    Firing order 1-3-4-2

    Fuel system System pressure 2.6-3.1 bar
    Regulated pressure 2.0-2.5 bar

    Oil pressure 3.4 bar at 3000 rpm
    Radiator cap 0.9-1.2bar
    Thermostat opens 70-80°C

    1.6 Engine: D16Z6
    No. of cylinders4/OHC
    Capacity 1590cc
    Firing order 1-3-4-2
    Compression ratio 9.2:1
    Suitable for unleaded petrolYes
    Thermostat opens 78-90°C

     © Motor car History

Service

  • Honda Model: Civic (73-91) 1.6 Engine code: D16A6 80 (109hp)

    Spark plugs Electrode gap 1.0-1.1 mm
    Spark plugs Original equipment NGK Type BCPR6E-11
    Spark plugs Autolite Type APP3923
    Spark plugs Make Beru Type 14FR-7DUX
    Spark plugs Make Bosch Type FR7DCX
    Spark plugs Make Champion Type RC9YC4

    Cooling system 5,4 litres

    Valve clearance adjustments
    INLET 0.17-0.22mm cold
    EXHAUST 0.22-0.27mm cold

    Lubricants and capacities

    Engine oil grade - normal climate 10W/40 or 15W/40 SAE
    Engine oil grade - cold climate 5W/30 SAE
    Engine oil grade - hot climate 20W/40 SAE
    Engine oil with filter 3.5 litres

    Tightening torques

    Oil pump to cylinder block 11 Nm
    Sump bolts 1)6 Nm 2)12 Nm
    Sump drain bolt 45 Nm
    Flywheel/driveplate 120 Nm/75 Nm
    Clutch to flywheel 26 Nm
    Camshaft sprocket/gear 38 Nm
    Camshaft/rocker cover 10 Nm
    Inlet manifold to cylinder head 24 Nm
    Exhaust manifold to cylinder head 34 Nm
    Spark plugs 18 Nm
    Lambda sensor (Oxygen) 45 Nm

    1.6 VTEC D16W5 91 (124hp)

    Valve clearance adjustments
    INLET 0.18-0.22mm cold
    EXHAUST 0.23-0.27mm cold

    Spark plugs Electrode gap 1.0-1.1 mm
    Spark plugs Original equipment Denso Type KJ16CR-L11
    Spark plugs Make Champion Type RC10YCC4
    Spark plugs Make NGK Type ZFR5J-11

    Engine oil grade - normal climate 10W/30 or 10W/40 SAE
    Engine oil grade - cold climate 5W/30 SAE
    Engine oil grade - hot climate 15W/40 SAE
    Engine oil with filter 3.3 litres

    Honda Civic 1.6 Engine: D16Z6
    Spark plugs Electrode gap 1.0-1.1mm
    Spark plugs Original equipment NGK Type BKR6EN-11
    Valve clearance -INLET 0.18-0.22mm check cold
    Valve clearance -EXHAUST 0.23-0.27mm check cold
    Engine oil grade - cold climate 5W/30 SAE
    Engine oil grade - normal/moderate climate 10W/40 or 15W/40 SAE
    Engine oil grade - hot climate 20W/40 SAE
    Engine oil change 3.3 litres
    Cooling system 4.5 litres

    © Motor car History

Maintenance

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