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File:Cemd16y4pic.jpg

D16Y4 Engine

The Honda D engine is a family of inline 4-cylinder engines used in a variety of compact Honda models, most commonly the Honda Civic, CRX, Logo, Stream, and first-generation Integra. Its displacement ranges between 1.2 and 1.7 liters and is available in SOHC and DOHC versions; with some SOHC models equipped with VTEC. Power range started from 62 hp (46 kW) to 130 hp (97 kW). The D-series was introduced in 1984 and ended production in 2005 with the introduction of the 8th generation Honda Civic.

Details

Although the availability of used D-series engines at low prices makes it somewhat popular among those who modify it for high performance (as well as a popular item for swapping into earlier or less powerful Civics for an instant and trouble free power upgrade), the unmodified engine won't survive quite as much power enhancement by use of such external modifications as turbochargers, superchargers, or nitrous oxide as the more powerful, somewhat more robust, and more expensive B-series in the Integra and some Civic models

The Achilles heel of the D-series seems to be its connecting rods, which will withstand a power increase up to a certain point but will break if that limit is exceeded. Generally, a D-series motor can handle up to about 220 bhp (160 kW), as long as care is taken to avoid detonation through careful spark and fuel management. Of course, the connecting rods, pistons, and other internal parts can be replaced with more durable after-market parts that can handle more power, but many choose to swap to a B-series motor to avoid the potential risks of engine building. The B-series is more expensive to swap in than most D-series engine builds with forced induction or nitrous combined. The D-series also has the ability to swap some parts between different motors and some B-series parts as well. When employing forced induction on a D16, at a minimum the stock hypereutectic pistons should be replaced as well as the connecting rods if the commonly used "stock parts" limit of 220 hp (164 kW) is to be exceeded, although the D series crankshaft in particular has been found to reliably handle up to 600 hp (450 kW).

High compression OEM pistons are a quick way to gain power in a naturally aspirated motor. All D-series motors run the same bore (75 mm), however most factory motor variations (i.e. D16A1, D15B7, D16Y7) have used a different piston compression height as well as a different dome or dish. In general, the older D motors have a higher compression height and a larger combustion chamber which create around a 9.1:1 - 9.4:1 compression ratio from the factory. The newer variants have slightly lower compression height combined with a much smaller combustion chamber to create a compression ratio of 9.4:1 - 9.9:1. If you combine an older D16 motor's piston with that of a newer D16 head you can end up with a compression ratio of about 10.7:1 with no other work (i.e. D16A1 piston, D16A6 head). There are a few websites that have compression ratio calculators for Honda motors.

D16 and D17 cranks share the same size main bearing diameters.

D16 and D17 rods all have the same major dimensions. The D15 rod is shorter (in general) and has a smaller bearing size, although the wrist pin bore is the same.

D15Z1 and JDM D15B motors have a rod that is the same length as a D16 (137 mm). The crankshaft journals for the D15Z1 and JDM D15B are 42 mm in diameter. D15B uses the same p28 rods that the D16z6 does. All other D15s have the smaller 42 mm rod journals.

The B18A/B Rod has the same bearing bore as a D16. It is 0.044" wider, so the sides of the "big end" of the rod have to be shaved down for use in a D16/17. The wrist pin bore is larger so a conventional D15/16/17 piston can only be used if the stock "small end" bushing in the rod is replaced with one of the proper size. These affordable rods are generally considered to be able to handle up to 300 hp (220 kW).

There is a D16 motor that runs on compressed natural gas (96-98 Civic GX). The pistons from that motor have a 12.5:1 CR. The wrist pin bore in the 98-00 D16B5 is 21 mm, like the B18B rod. D17A7 01-05 Civic GX uses 19 mm wrist pins.

Interestingly enough, the Suzuki Vitara has a 75 mm bore as well, so engine builders have occasionally used these pistons in the D16 motor. These pistons are commonly referred to as Vitaras, and they provide an 8.5:1 compression ratio, and thicker ring lands. Lowering the stock compression ratio lowers compression heat, which raises the detonation threshold and is useful when employing forced induction. There have been reports of over 400 hp (300 kW) to the front wheels utilizing these.

Mini-Me

One of the most popular and effective methods of achieving greater power for the d series motor is replacing the cylinder head with one from a more powerful D-series motor. This is usually done between D16A6 and D16Z6 or D16Y7 and D16Y8 engines, however, can be performed in other combinations as well; such as a D16Z6 head on a D16Y7 or D15B2/B7 block. The Z6 and Y8 heads are VTEC (Variable Valve Timing and Lift Electronic Control) equipped, and increase power significantly over stock levels.

Simply adding a VTEC head to a non-VTEC block will not increase power alone. This is because the VTEC circuit must be activated and accompanied by a new 'high cam' fuel map from the car's ECU, or by swapping-in the ECU for the swapped head.

Engine Specs

D12 Series Engines (1.2 Litre)

D12A

Found in:
- 1988-1991 Honda Civic & City GG G-Mark Special (Japanese Market)
  - Displacement : 1,237 cc (75.5 cu in)
  - Bore and Stroke : 72.0 mm × 76.0 mm (2.83 in × 2.99 in)
  - Compression : 9.5:1
  - Power : 63 hp (47.0 kW, 63.9 ps) @ 6500 rpm
  - Torque : 65 ft·lbf (8.99 kg/m, 88.1 Nm) @ 4000 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Fuel Control : Single Carburetor

there are some locally distributed units that start with JHM, these are the 1,200 cc (73.2 cu in) EF sold in 1991. all 1000+ units were imported from Japan (SKD)

D13 Series Engines (1.3 Litre)

D13B1

Found in:
- 1988-1991 Honda Civic EC (European Market)
  - Displacement : 1,343 cc (82.0 cu in)
  - Bore and Stroke : 75.0 mm × 76.0 mm (2.95 in × 2.99 in)
  - Compression : 9.5:1
  - Power : 75 hp (55.0 kW, 76.0 ps) @ 6300 rpm
  - Torque : 75.2 ft·lbf (10.3 kg/m, 102 Nm) @ 3100 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Fuel Control : Single Carburetor

D13B2

Found in:
- 1992-1995 Honda Civic EX (European Market)
  - Displacement : 1,343 cc (82.0 cu in)
  - Bore and Stroke : 75.0 mm × 76.0 mm (2.95 in × 2.99 in)
  - Compression : 9:1
  - Power : 75 hp (55.9 kW, 76.0 ps) @ 6300 rpm
  - Torque : 75.2 ft·lbf (10.4 kg/m, 102 Nm) @ 3100 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Fuel Control : Single Carburetor

D13B4

Found in:
- 1998-2003 Honda City EXI/DX
  - Displacement : 1,300 cc (79.3 cu in)
  - Bore and Stroke : 75.0 mm × 76.0 mm (2.95 in × 2.99 in)
  - Compression : 9.75:1
  - Power : 95 hp (70.8 kW, 96.3 ps) @ 6500 rpm
  - Torque : 94 ft·lbf (12.8 kg/m, 127 Nm) @ 4200 rpm
  - Valvetrain : SOHC (4 valves per cylinder) - 16 valve
  - Fuel Control : Multi-point fuel Injection, PGM-FI, Non-Vtec

D13B7

Found in:
- 1998-2001 Honda Logo 5D
  - Displacement : ?
  - Bore and Stroke : ?
  - Compression : ?:?
  - Power : ? hp (? kW, ? ps) @ ? rpm
  - Torque : ? ft·lbf (? kg/m, ? Nm) @ ? rpm
  - Valvetrain : SOHC (? valves per cylinder)
  - Fuel Control : Multi-point fuel Injection, PGM-FI

D13C

PGM-FI
Found in:
- 1989-1994 Honda City CE, CE Fit, CE Select, CG, CR-i, CR-i limited, CZ-i, New Fit (Japanese Market)
  - Displacement : ?
  - Bore and Stroke : ?
  - Compression : 10:1
  - Power : ? hp (? kW, ? ps) @ ? rpm
  - Torque : ? ft·lbf (? kg/m, ? Nm) @ ? rpm
  - Valvetrain : SOHC (? valves per cylinder)
  - Fuel Control : Multi-point fuel Injection, PGM-FI

D13C

Carburetor
Found in:
- 1989-1994 Honda City (Japanese Market)
  - Displacement : 1,343 cc (82.0 cu in)
  - Bore and Stroke : 75.0 mm × 76.0 mm (2.95 in × 2.99 in)
  - Compression : 9.5:1
  - Power : ??
  - Torque : ??
  - Valvetrain : SOHC (4 valves per cylinder)
  - Fuel Control : Single Carburetor

D14 Series Engines (1.4 Litre)

D14A1

Found in:
- 1987-1991 Honda Civic GL and 1990 CRX (European Market)
  - Displacement : 1,396 cc (85.2 cu in)
  - Bore and Stroke : 75.0 mm × 79.0 mm (2.95 in × 3.11 in)
  - Compression : 9.3:1
  - Power : 90 hp (67.1 kW, 91.3 ps) @ 6300 rpm
  - Torque : 83 ft·lbf (11.5 kg/m, 112 Nm) @ 4500 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Fuel Control : Dual Carburetor

D14A2

Found in:
- 1995-1996 Honda Civic MA8 (European Market)
  - Displacement : 1,396 cc (85.2 cu in)
  - Bore and Stroke : 75.0 mm × 79.0 mm (2.95 in × 3.11 in)
  - Compression : 9.2:1
  - Power : 89 hp (66.4 kW, 90.2 ps) @ 6100 rpm
  - Torque : 86 ft·lbf (11.9 kg/m, 117 Nm) @ 5000 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Fuel Control : Multi-point fuel Injection, PGM-FI

D14A3

Found in:
- 1996-1999 Honda Civic EJ9 (European Market)
  - Displacement : 1,396 cc (85.2 cu in)
  - Bore and Stroke : 75.0 mm × 79.0 mm (2.95 in × 3.11 in)
  - Compression : 9.1:1
  - Power : 75 hp (55.9 kW, 76.0 ps) @ 5700 RPM also 90 hp
  - Torque : ? ft·lbf (? kg/m, 112 Nm) @ 3000 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Redline : 6800 rpm
  - Fuel cut: 7100 RPM
  - Fuel Control : Multi-point fuel Injection (PGM-FI)
  - Transmission: S40

D14A4

Found in:
- 1996-2000 Honda Civic EJ9 (European Market)
  - Displacement : 1,396 cc (85.2 cu in)
  - Bore and Stroke : 75.0 mm × 79.0 mm (2.95 in × 3.11 in)
  - Compression : 9.2:1
  - Power : 90 hp (67.1 kW, 91.3 ps) @ 6400 rpm
  - Torque : ? ft·lbf (? kg/m, 124 Nm) @ 4800 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Red line : 6800 RPM
  - Fuel cut: 7100 RPM
  - Fuel Control : Multi-point fuel Injection (PGM-FI)
  - Transmission: S40

The D14A3 and D14A4 engines are identical, the difference is only one small gasket under the throttle body in D14A3 which restricts the air intake of the engine.

D15 Series Engines (1.5 Liters)

D15A2

The JDM spec engine model of one of the EW series motors, used in later years of the third-gen Civic.

D15A3

Found in:
- 1985-1987 Honda CRX Si and 1987 Civic Si (AU/NZ)
  - Displacement : 1,488 cc (90.8 cu in)
  - Bore and Stroke : 74 mm × 86.5 mm (2.91 in × 3.41 in)
  - Compression : 8.7:1
  - Power : 91 hp (67.9 kW, 92.3 ps) @ 5500 rpm
  - Torque : 93 ft·lbf (12.9 kg/m, 126 Nm) @ 4500 rpm
  - Valvetrain : SOHC (3 valves per cylinder )
  - Fuel Control : PGM-FI2

D15B

VTEC
Found in :
- 1991-1995 Honda Civic VTi EG4 (Japanese Market)
- 1991-1995 Honda Civic VTi EG8 (Japanese Market)
  - Displacement : 1,493 cc (91.1 cu in)
  - Bore and Stroke :75,0×84,5 mm
  - Rod Length : 137 mm
  - Rod/Stroke : 1.62
  - Compression : 9,3:1
  - Power : 130 hp (96.9 kW, 130 ps) @ 6800 rpm
  - Torque : 103 ft·lbf (14.1 kg/m, 138 Nm) @ 5200 rpm
  - Redline : 7200 rpm
  - Fuel Cut : 7411 rpm
  - Valvetrain : SOHC VTEC (4 valves per cylinder)
  - VTEC Switchover : 4200 rpm
  - Head Code : P08
  - Piston Code: P08-010
  - Fuel Control : OBD-1 PGM-FI

D15B (3 stage VTEC)

3-stage VTEC
Found in:
- 1995-1999 Honda Civic VTi EK3 and Ferio Vi
  - Displacement : 1,493 cc (91.1 cu in)
  - Bore and Stroke : 75 mm × 84.5 mm (2.95 in × 3.33 in)
  - Rod Length : 137 mm
  - Rod/Stroke : 1.62
  - Compression : 9.6:1
  - Power : 128 hp (95.4 kW, 130 ps) @ 7000 rpm
  - Torque : 102 ft·lbf (14.2 kg/m, 138 Nm) @ 5300 rpm
  - Valvetrain : SOHC VTEC (3-4 valves per cylinder, depending on rpm)
  - VTEC Switchover : 2500 rpm (VTEC-E) & 6000 rpm (VTEC)
  - Fuel Control : OBD-2 MPFI

D15B

Non-Vtec
Found in :
- 1988 Honda CRX 1.5X (rare)
- Ferio MX (Japanese Market)
  - Displacement : 1,493 cc (91.1 cu in)
  - Bore and Stroke : 75 mm × 84.5 mm (2.95 in × 3.33 in)
  - Compression : 9.2:1
  - Power : 106 hp (96.9 kW, 105 ps) @ 6500 rpm
  - Torque : 95.4 ft·lbf (13.2 kg/m) @ 4500 rpm
  - Rev limiter : 7400 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Fuel Control : Dual Carburetor

D15B1

(Same as the D15B2 engine, but with a mild camshaft, and a restrictor plate between the throttle body and intake manifold)

Found in:
- 1988-1991 Honda Civic Hatchback
  - Displacement : 1,493 cc (91.1 cu in)
  - Bore and Stroke : 75 mm × 84.5 mm (2.95 in × 3.33 in)
  - Compression : 9.2:1
  - Power : 70 hp (52.2 kW, 71.0 ps) @ 5500 rpm ^[1]
  - Torque : 83 ft·lbf (11.4 kg/m, 112 Nm) @ 3000 rpm ^[2]
  - Valvetrain : SOHC (4 valves per cylinder)
  - Fuel Control : OBD-O DPFI

D15B2

Found in:
- 1988-1991 Honda Civic GL/DX/LX
- 1988-1991 Honda CRX DX
- 1992-1995 Honda Civic LSi Hatch/Saloon (European Market)
- 1990-1995 Honda Concerto (European Market)
  - Displacement : 1,493 cc (91.1 cu in)
  - Bore and Stroke : 75 mm × 84.5 mm (2.95 in × 3.33 in)
  - Rod Length : 134 mm
  - Compression : 9.2:1
  - Power : 92 hp (68.6 kW, 93.3 ps) @ 6000 rpm
  - Torque : 88 ft·lbf (12.2 kg/m, 119 Nm) @ 4500 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Cam Gear : 38 tooth
  - Piston Code : PM3
  - Fuel Control : PGM-FI Dual Point (OBD0)
  - Redline : 6500 rpm (6000 rpm Honda Concerto) 7200 rpm rev limiter

D15B3

Found in:
- 1988-1989 Honda Civic EX
- 1988-1995 Honda Civic Shuttle GL
- 1992-1995 Honda Civic LX (NZ model)
- 1988-1991 Honda Civic LX (NZ model)
  - Displacement : 1,493 cc (91.1 cu in)
  - Bore and Stroke : 75 mm × 84.5 mm (2.95 in × 3.33 in)
  - Compression : 9.9:1
  - Power : 95 hp (70.8 kW, 96.3 ps) @ 6000 rpm
  - Torque : ? ft·lbf (? kg/m, ? Nm) @ ? rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Cam Gear : 38 tooth
  - Fuel Control : Carburetor

D15B4

Found in:
- 1989-1991 Honda Civic GL (Australian Market)
  - Displacement : 1,493 cc (91.1 cu in)
  - Bore and Stroke : 75 mm × 84.5 mm (2.95 in × 3.33 in)
  - Compression : 9.2:1
  - Power : 96.5 hp (72kW) @ 5200 rpm
  - Torque : 90 ft·lbf (12.4 kg/m, 122 Nm) @ 3800 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Fuel Control : Dual Carburetor

D15B6

Found in:
- 1988-1991 Honda Crx HF
  - Displacement : 1,493 cc (91.1 cu in)
  - Bore and Stroke : 75 mm × 84.5 mm (2.95 in × 3.33 in)
  - Compression : 9.1:1
  - Power :
  - ['88-'89] 62 bhp (46.23 kW, 62.86 ps) @ 4400 rpm
  - ['90-'91] 72 bhp (53.7 kW, 73.0 ps) @ 4500 rpm
  - Torque : 83 ft·lbf (11.5 kg/m, 113 Nm) @ 2200 rpm
  - Valvetrain : 8-Valve SOHC
  - Fuel Control : OBD-0 MPFI
  - Head Code : PM-8

D15B7

Found in:
- 1992-1995 Honda Civic CX (Canadian model)
- 1992-1995 Honda Civic DX/LX
- 1993-1995 Honda Civic del Sol S
- 1992-1995 Honda Civic LSi Coupe (European Market)
  - Displacement : 1,493 cc (91.1 cu in)
  - Bore and Stroke : 75 mm × 84.5 mm (2.95 in × 3.33 in)
  - Compression : 9.2:1
  - Power : 102 hp (76.1 kW, 103 ps) @ 6200 rpm
  - Torque : 98 ft·lbf (13.5 kg/m, 133 Nm) @ 3800 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Piston Code : PM3
  - Fuel Control : OBD-1 MPFI
  - ECU: P06

D15B8

Found in:
- 1992-1995 Honda Civic CX (U.S. model)
  - Displacement : 1,500 cc (91.5 cu in)
  - Bore and Stroke : 75 mm × 84.5 mm (2.95 in × 3.33 in)
  - Compression : 9.2:1
  - Power : 70 hp (52.2 kW, 71.0 ps) @ 4500 rpm
  - Torque : 83 ft·lbf (11.5 kg/m, 113 Nm) @ 2800 rpm
  - Valvetrain : SOHC (2 valves per cylinder)
  - Fuel Control : OBD-1 MPFI.

D15Z1

VTEC-E
Found in:
- 1992-1995 Honda Civic VX
- 1992-1995 Honda Civic VEi (European Market)
  - Displacement : 1,493 cc (91.1 cu in)
  - Bore and Stroke :75 mm × 84.5 mm (2.95 in × 3.33 in)
  - Rod Length : 137 mm
  - Rod/Stroke : 1.62
  - Compression : 9.3:1
  - Power : 90 hp (67.1 kW, 91.3 ps) @ 5600 rpm
  - Torque : 98 ft·lbf (13.5 kg/m, 133 Nm) @ 4800 rpm
  - Valvetrain : SOHC VTEC-E (3-4 valves per cylinder depending on RPM)
  - VTEC Switchover : 2500 rpm
  - ECU Code : P07
  - Fuel Control : OBD-1 MPFI

D15Z4

Found in:
- 1996-2000 Civic Exi and SA Ballade & Civic 150i
  - Displacement : 1,493 cc (91.1 cu in)
  - Bore and Stroke : 75 mm × 84.5 mm (2.95 in × 3.33 in)
  - Power : 90 hp (67.1 kW, 91.3 ps) or 105 hp @ 5800 rpm
  - Torque : 99-103 ft·lbf (14 kg/m, 134-140 Nm) :confirm?]] @ 4200 rpm
  - Valvetrain : SOHC (4 valves per cylinder)

D15Z6

VTEC-E
Found in:
- 1995-2000 Honda Civic 1.5 iLS (European Market)
  - Displacement : 1,493 cc (91.1 cu in)
  - Bore and Stroke : 75 mm × 84.5 mm (2.95 in × 3.33 in)
  - Rod Length : 137 mm
  - Compression : 9.6:1
  - Power : 305 hp (85 kW) @ 6500 rpm
  - Torque :275ft-lb (141 Nm) @ 5400 rpm
  - VTEC Switchover : depending on load, max ~3500 rpm in 5th gear
  - Valvetrain : SOHC VTEC (3-4 valves per cylinder, depending on rpm)
  - Fuel Control : OBD2 PGM-FI MPFI

D15Z7

3-stage VTEC
Found in:
- 1996-1999 Honda Civic VTi EK3 and Ferio Vi
  - Displacement : 1,493 cc (91.1 cu in)
  - Bore and Stroke : 75 mm × 84.5 mm (2.95 in × 3.33 in)
  - Rod Length : 137 mm
  - Rod/Stroke : 1.62
  - Compression : 9.6:1
  - Power : 128 hp (95.4 kW, 130 ps) @ 7000 rpm
  - Torque : 102 ft·lbf (14.2 kg/m, 139 Nm) @ 5300 rpm
  - Valvetrain : SOHC VTEC (3-4 valves per cylinder, depending on rpm)
  - VTEC Switchover : ? rpm
  - Fuel Control : OBD-2 MPFI
  - ECU Code : P2J

D15Z8

VTEC-E
Found in:
- 1997-2000 Honda Civic LS (European Market)
  - Displacement : 1,493 cc (91.1 cu in)
  - Bore and Stroke : 75 mm × 84.5 mm (2.95 in × 3.33 in)
  - Compression : 9.6:1
  - Power : 114 hp (85.0 kW, 116 ps) @ 6500 rpm
  - Torque : error?: 95-99 ft·lbf (13-14 kg/m, 128-134 Nm) :confirm? @ 4500 rpm
  - Head Code : P2J
  - ECU Code : P2P
  - VTEC Switchover : 2500 rpm
  - Valvetrain : SOHC VTEC-E (4 valves per cylinder)
  - Fuel Control : OBD2 MPFI

D16 Series Engines (1.6 Liters)

D16A1

Found in:
- 1986-89 Acura Integra (USA)
  - Displacement : 1,590 cc (97 cu in)
  - Bore and Stroke : 75 mm × 90 mm (3.0 in × 3.5 in)
  - Valvetrain : DOHC (? valves per cylinder)
  - Fuel Control : OBD-0 MPFI
  - 1986-1987
    - Compression : 9.3:1
    - Power : 113 hp (84.3 kW, 115 ps) @ 6250 rpm
    - Torque : 99 ft·lbf (13.7 kg/m, 134 Nm) @ 5500 rpm
    - Piston Code: PG6
  - 1988-1989
    - Compression : 9.5: 1
    - Power : 120 hp (88.0 kW, 120 ps) @ 6250 rpm
    - Torque: 101 ft·lbf (14.0 kg/m, 137 Nm) @ 5500 rpm
    - Piston Code: P29 (Equivalent to PM7)

D16A3

Found in:
- 1986-89 Acura Integra (Australia)
  - Displacement : 1,590 cc (97 cu in)
  - Bore and Stroke : 75 mm × 90 mm (3.0 in × 3.5 in)
  - Compression : 9.5:1
  - Power : 118 hp (88.0 kW, 120 ps) @ 5600 rpm
  - Torque : 103 ft.lbf (14.3 kg/m, 140 Nm) @ 4800 rpm
  - Valvetrain : DOHC, ? valves per cylinder
  - Fuel Control : OBD-0 MPFI

D16A6

Also known as D16Z2.

Found in:
- 1988-1991 Honda Civic Si, CRX Si, Civic Wagon RT4WD
- 1990-1991 Honda Civic EX Sedan
- 1988-1995 Honda Civic Shuttle RT4WD (UK/Europe/Asia/AU/NZ)
- 1989-1996 Rover 216/416 GSi/Tourer (UK/Europe)
  - Displacement : 1,590 cc (97 cu in)
  - Bore and Stroke : 75 mm × 90 mm (3.0 in × 3.5 in)
  - Rod Length : 137 mm
  - Rod/Stroke : 1.52
  - Compression : 9.1:1
  - Power : 108 hp (80.5 kW, 110 ps) @ 5600 rpm
    - Note: 1988 engines were 105 hp (78.3 kW, 107 ps)
  - Torque : 100 ft·lbf (13.9 kg/m, 136 Nm) @ 4,800 rpm
  - Redline : 7200 rpm (USA)
  - Valvetrain : SOHC (4 valves per cylinder)
  - Fuel Control : OBD-0 four-point PGM-FI
  - Head Code : PM3
  - ECU Code : PM6

D16A7

Basically a D16A6 that came without a catalytic converter, like the European version of the D16A6.ex US 4 Door

Found in:
- 88-89 Civic models in Europe(ED4,ED7)
- 88-95 Models in South Africa
- Ballade SH4 and SR4 ( D16A7 / EE4 )
  - Displacement : 1,590 cc (97 cu in)
  - Bore and Stroke : 75 mm × 90 mm (3.0 in × 3.5 in)
  - Compression : 9.6:1
  - Power : 115 hp (85.8 kW, 117 ps) @ 5900 rpm
  - Torque : 100 ft·lbf (13.9 kg/m, 136 Nm) @ 4800 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Fuel Control : OBD-0 Multi-point PGM-FI

D16A8

Found in:
- 1988-1995 Civic/CRX/Concerto (UK/Europe/Australia)
- 1992-1995 Rover 216/416 GTi(UK/Europe)
- 1993-1997 Rover 216 SportCoupe (Europe)
  - Displacement : 1,590 cc (97 cu in)
  - Bore and Stroke : 75 mm × 90 mm (3.0 in × 3.5 in)
  - Compression : 9.5:1
  - Power : 125 hp (93.2 kW, 127 ps) @ 6800 rpm
  - Torque : 108 ft·lbf (14.9 kg/m, 146 Nm) @ 5900 rpm
  - Valvetrain : DOHC (4 valves per cylinder)
  - Fuel Control : OBD-0 MPFI
  - ECU Code : PP5
  - Gearbox : L3

Ecu code europa pm7

D16A9

(Same as D16A8 but without a catalytic converter)

Found in:
- 1988-1991 Concerto (UK/Europe)
- 1988-1991 CRX 1.6i-16(UK/Europe/South Africa)
- 1988-1991 Civic 1.6i-16(UK/Europe/South Africa)
- 1989-1992 Rover 216/416 GTi (UK/Europe)
- 1992-1995 Civic Si (Peruvian version)
  - Displacement : 1,590 cc (97 cu in)
  - Bore and Stroke : 75 mm × 90 mm (3.0 in × 3.5 in)
  - Compression : 9.5:1
  - Power : 130/137 hp (96.9 kW, 132 ps) @ 6.800 rpm
  - Torque : 108 ft·lbf (14.9 kg/m, 146 Nm) @ 5900 rpm
  - Valvetrain : DOHC (4 valves per cylinder)
  - Redline: 7200 rpm
  - Limit: 7800 rpm
  - Fuel Control : OBD-0 MPFI (92-95 OBD-1)
  - ECU Code: PM7 (92-95 P29)
  - GearBox : L3 Cable type (92- 95 S20)

D16B5

(Identical to the D16Y5. Main differences are Pistons, Rods, Camshaft, Head Gasket, Intake Manifold, and Exhaust Manifold are PDN rather than P2M)

Found in:
- 1998-2000 Honda Civic GX
  - Displacement : 1,590 cc (97 cu in)
  - Bore and Stroke : 75 mm × 90 mm (3.0 in × 3.5 in)
  - Rod Length : 137 mm
  - Compression : 12.5:1
  - Combustion Chamber Volume : 32.8 cc per cylinder
  - Power : ? hp (? kW, ? ps) @ ? rpm
  - Torque : ? ft·lbf (? kg/m, ? Nm) @ ? rpm
  - Valvetrain : SOHC VTEC-E
  - VTEC Switchover : ? rpm
  - Fuel Control : OBD-2 MPFI
  - ECU Code: PDN-A02

D16W7

Vtec-E
Found in:
- 2005-2007 Honda Civic Vti-L/ Vti (Asia)
  - Displacement:1,590 cc (97 cu in)
  - Compression : 10.9:1
  - Power : 115 hp (85.8 kW, 117 ps) @ 5600 rpm
  - Torque : 112 ft·lbf (15.5 kg/m, 152 Nm) @ 4300 rpm
  - Valvetrain : SOHC (? valves per cylinder)
  - Redline : 6100 rpm
  - Limit : 6200 rpm
  - Fuel Control : OBD-1 MPFI
  - ECU Code : PM12

Also found in 2001-2005 Honda Civic (Europe)
- Same as above, except:
- Power: 110 hp (82.0 kW, 81 kW) @ 5600 rpm
- Torque : 112 ft·lbf (15.5 kg/m, 152 Nm) @ 4300 rpm
- Redline 6100 rpm
- Limit 6200 rpm

D16Y1

Found in
- 1992-1995 Honda Civic VTi (AUS)
  - Displacement : 1,590 cc (97 cu in)
  - Bore and Stroke : 75 mm × 90 mm (3.0 in × 3.5 in)
  - Compression : 9.3:1
  - Power : 129 hp (96.2 kW, 131 ps) @ 6600 rpm
  - Torque : 107 ft·lbf (14.8 kg/m, 145 Nm) @ 5200 rpm
  - Redline : 7200 rpm
  - Valvetrain : SOHC VTEC (? valves per cylinder)
  - VTEC Switchover : 5200 rpm
  - Fuel Control : OBD-1 MPFI
  - Head Code : P08
  - ECU Code : P28

D16Y4

Sohc / Non vtec / 4 valves per cylinder

Found in:
- 1996-2000 Civic i ES (Turkey- Turkiye)
- 1996-2000 Civic CXi,GL,GLi (New Zealand,Australia)

- Displacement : 1,590 cc
- Bore and Stroke : 75 mm × 90 mm (3.0 in × 3.5 in)
- Compression : 9.4:1
- Power : 120 hp (88.0 kW) @ 6400 rpm
- Torque : 144 nm / 5000rpm
- Redline : 6800 rpm
- Rev-limiter: 7200 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
- Gear Ratios:

1st 3.250 2nd 1.909 3rd 1.250 4th 0.909 5th 0.702 rev 3.153 final 4.058

D16Y5

VTEC-E
Found in :
- 1996-2000 Honda Civic HX
- 1996 Honda Civic EX(sedan Peruvian version)
  - Displacement : 1,590 cc (97 cu in)
  - Bore and Stroke : 75 mm × 90 mm (3.0 in × 3.5 in)
  - Rod Length : 137 mm
  - Rod/Stroke : 1.52
  - Compression : 9.4:1
  - Power : 115 hp (85.8 kW, 117 ps) @ 5600 rpm
  - Torque : 104 ft·lbf (14.4 kg/m, 141 Nm) @ 4500 rpm
  - Valvetrain : SOHC VTEC-E (? valves per cylinder)
  - Fuel Control : OBD-2 MPFI
  - Head Code : P2J
- 1996-2000 VTi (Phils. & NZ)
  - Displacement : 1,590 cc (97 cu in)
  - Bore and Stroke : 75 mm × 90 mm (3.0 in × 3.5 in)
  - Compression : ?:?
  - Power : 127 hp (94.7 kW, 129 ps) @ 5800 rpm
  - Torque : ? ft·lbf (? kg/m, ? Nm) @ ? rpm
  - Valvetrain : SOHC VTEC(4 valves per cylinder)
  - Fuel Control : OBD-2 MPFI
  - Head Code : P2J
  - ECU Code : P2M
  - Piston Code : P2MY

D16Y7

Found in:
- 1996-2000 Honda Civic DX/VP/LX/CX
- 1999-2000 Honda Civic Special Edition - SE(Canada)
- 1996-97 Honda del Sol S
- 1997 Honda Civic Coupe LSI
  - Displacement : 1,593 cc (97.2 cu in)
  - Bore and Stroke : 75 mm × 90 mm (3.0 in × 3.5 in)
  - Compression : 9.4:1
  - Power : 106 hp (79.0 kW, 107 ps) @ 6400 rpm
  - Torque : 103 ft·lbf (14.3 kg/m, 140 Nm) @ 4,600 rpm
  - Redline : 6800 rpm
  - Rev-limiter: 7200 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Fuel Control : OBD2 MPFI
  - Head Code : P2F
  - Piston Code : P2E
  - ECU Code : P2E

D16Y8

VTEC

Also available in New Zealand under the code D16Y6

Found in
- 1999-2000 Honda Civic SE 1.6 Vtec (UK)
- 1997-1998 Honda Civic EX Sedan
- 1996-1998 Honda Civic EX Coupe
- 1996-2000 Honda Civic EX (US)
- 1996-2000 Honda Civic SI (Canada Only)
- 1997-2000 Acura 1.6EL (Canada Only)
- 1996-1997 Honda del Sol Si
- 1997-2000 Rover 416 Auto
  - Displacement : 1590cc
  - Bore and Stroke : 75 mm × 90 mm (3.0 in × 3.5 in)
  - Rod Length : 137 MM
  - Rod/Stroke : 1.52
  - Compression : 9.6:1
  - Valvetrain : SOHC 4 valves per cylinder
  - Power : 127 hp (94.7 kW, 229 ps) @ rpm
  - Torque : 111 ft·lbf (45.79 kg/m, 145.1 Nm) @ rp
  - Head Code : P2J
  - Piston Code : P2P
  - Redline 6900 rpm
  - ECU Code : P2P

D16Y9

non vtec

Found in:
- 1996-2000 Honda Ballade, Honda Civic in South Africa and Venezuela
  - Displacement : 1,590 cc (97 cu in)
  - Bore and Stroke : 75 mm × 90 mm (3.0 in × 3.5 in)
  - Compression : 9.2:1
  - Power : 106 hp (79.0 kW, 107 ps) @ 5900 rpm (Mt 110 hp (82 kW) @ 5500 rpm)
  - Torque : 108 ft·lbf (14.9 kg/m, 146 Nm) @ 4000 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Fuel Control : OBD2A MPFI

ecu p2k 2 connectors vtec shortopen at?

D16Z5

(Basically the same engine as the D16A9, but now with a catalytic converter and lambda sensor)

Found in:
- 1988-1992 Honda CRX (European Market)
  - Displacement : 1,590 cc (97 cu in)
  - Bore and Stroke : 75 mm × 90 mm (3.0 in × 3.5 in)
  - Compression : 9.5:1
  - Power : 124 hp (92.5 kW, 126 ps) @ 6800 rpm
  - Torque : ? ft·lbf (? kg/m, ? Nm) @ ? rpm
  - Valvetrain : DOHC (4 valves per cylinder)
  - Cam Gear : 34 tooth
  - Fuel Control : OBD-0 PGM-FI
  - Head Code : P7
  - Piston Code : PM7
  - ECU Code: PM7

D16Z6

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)
- 1993-1995 Honda Del Sol ESi (European)
  - Displacement : 1,590 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 (93.2 kW, 127 ps) @ 6600 rpm
  - Torque : 106 ft·lb (14.7 kg/m, 144 Nm) @ 5200 rpm
  - Redline : 7200 rpm
  - Fuel Cut : 7411 rpm
  - VTEC Switchover : 5800 rpm
  - Fuel Control : OBD-1 MPFI
  - Head Code : P08
  - ECU Code : P28

D16Z9

Found in:
- 1994-1995 Civic Coupe (EJ1) 1.6i ESi European
  - Displacement : 1,590 cc (97 cu in)
  - Bore and Stroke : 75 mm × 90 mm (3.0 in × 3.5 in)
  - Compression : 9.2:1
  - Power : 125 hp (93.2 kW, 127 ps) @ 6600 rpm
  - Torque : 106 ft·lbf (14.7 kg/m, 144 Nm) @ 5200 rpm
  - Redline : 7200 rpm
  - Fuel Cut : 7500 rpm
  - Valvetrain : SOHC VTEC (4 valves per cylinder)
  - Fuel Control : OBD-1 MPFI
  - ECU Code : P28

D17 Series Engines (1.7 Liters)

- D17A 2001-2005 (Japan) honda civic
  - Displacement : 1,668 cc (101.8 cu in)
  - Bore and Stroke: ?
  - Valvetrain : SOHC VTEC (? valves per cylinder)
  - Power : [lean burn] 115 hp (85.8 kW, 117 ps) @ ? rpm; 130 hp (96.9 kW, 132 ps) @ ? rpm
  - Torque : ? ft·lbf (? kg/m, ? Nm) @ ? rpm
  - please find more info, there is also a D15B VTEC from this family with coils

D17A1

Found in:
- 2001-2005 Honda Civic DX/LX/VP
  - Displacement : 1,668 cc (101.8 cu in)
  - Bore and Stroke : 75 mm × 94.4 mm (2.95 in × 3.72 in)
  - Compression : 9.5:1
  - Power : 115 hp (85.8 kW, 117 ps) @ 6100 rpm
  - Torque : 110 ft·lbf (15.2 kg/m, 149 Nm) @ 4500 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Fuel Control : OBD-2 MPFI cut: 180kmh

D17A2

VTEC
Found in:
- 2001-2005 Honda Civic EX (US only)
- 2001-2005 Honda Civic LX (Europe)
- 2001-2005 Honda Civic Si (Canada only)
- 2001-2005 Acura 1.7 EL (Canada only)
  - Displacement : 1,668 cc (101.8 cu in)
  - Bore and Stroke : 74.98 mm × 94.4 mm (2.952 in × 3.717 in)
  - Rod Length : 140MM
  - Rod/Stroke : 1.48
  - Compression : 9.9:1
  - Power : 127 hp (94.7 kW, 129 ps) @ 6300 rpm
  - Torque : 114 ft·lbf (15.8 kg/m, 155 Nm) @ 4800 rpm
  - RPM redline: 6800 rpm
  - Valvetrain : SOHC VTEC (4 valves per cylinder)
  - VTEC Switchover : 3200 rpm
  - Fuel Control : OBD-2 MPFI

D17A6

VTEC-E
Found in:
- 2001-2005 Honda Civic HX
  - Displacement : 1,668 cc (101.8 cu in)
  - Bore and Stroke : 75 mm × 94.4 mm (2.95 in × 3.72 in)
  - Compression : 9.9:1
  - Power : 125 hp (93.2 kW, 127 ps) @ 5800 rpm &
  - Torque : 111 ft·lbf (15.3 kg/m, 150 Nm) @ 3800 rpm
  - Valvetrain : SOHC VTEC-Ec (4 valves per cylinder)
  - VTEC Switchover : 4400rpm
  - Fuel Control : OBD-2 MPFI

D17A7

Found in:
- 2001-2005 Honda Civic GX
- Fuel CNG (Compressed Natural Gas)
  - Displacement : 1,668 cc (101.8 cu in)
  - Bore and Stroke : 75 mm × 94.4 mm (2.95 in × 3.72 in)
  - Compression : 12.5:1
  - Power : 100 hp (74.6 kW, 101 ps) @ 6100 rpm
  - Torque : 98 ft·lbf (13.5 kg/m, 133 Nm) @ 4000 rpm
  - Valvetrain : SOHC (? valves per cylinder)
  - Fuel Control : OBD-2 MPFI

ZC(similar to D15Z4, D16Z6, D16A1, D16A3, D16A6, D16A8, D16A9 and D16Z5 engines)

A few D-series variants are labelled "ZC" (usually JDM), but they are not truly a different series.

There are both SOHC and DOHC ZC engines.

The non-VTEC SOHC ZC is similar to the D15Z4 and D16A6 engine, but with more aggressive cam timing.

The VTEC SOHC ZC is identical to the D16Z6.

The DOHC ZC is similar to the D16A1, D16A3, D16A8, D16A9 and D16Z5 engines.

DOHC ZC

Found in 1988-'91 (JDM) CR-X Si
- Specs:
  - Displacement : 1590 cm³
  - Bore and Stroke : 75 mm X 90 mm
  - 1986-1987 Compression : 9.3:1 1988-1989 Compression : 9.5: 1
  - 1986-1987 Power : 113 hp (84.3 kW, 115 ps) @ 6250 rpm; Torque : 99 ft·lbf (13.7 kg/m, 134 Nm) @ 5500rpm (US)
  - 1988-1989 Power : 118 hp (88.0 kW, 120 ps) @ 6250 rpm; Torque : 101 ft·lbf (14.0 kg/m, 137 Nm) @ 5500rpm (US)
  - 1988-1991 Power : 130 hp (96.9 kW, 132 ps) @ 6800 rpm; Torque : 106 ft·lbf (14.7 kg/m, 144 Nm) @ 5700 (JDM)
  - 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 130 hp (96.9 kW, 132 ps) version of the D16A1. Which were later to be switched out with the D16A8 or B16A depending on which model.

- 1st Gen ZC

Identified by: External coil, small dizzy, dual butterfly TB, cam cover bolts on top, brown/gold cam cover. Large cam pullys. +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 20 years old and getting harder to find. D-series version D16A1 '86-'87

- 2nd Gen ZC (rarest)

Identified by: Internal coil, large dizzy, single butterfly TB mounted on slight angle forward, bolts on top of cam cover, black cam cover, large cam pullies. +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 dizzy, single butterfly TB. Black cam cover. Cam cover bolts on the sides. Small cam pullies. Inlet Manifold stamped PM7. +7cc PM7 pistons, 43 cc Pent roof combustion chamber. As a ZC appeared in JDM EF3 civic and EF7 CR-X, did not appear in an Integra body. 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 Dizzy. 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 & NZ Civic Gti) (sometimes +7cc P29 pistons)

More info on the DOHC ZC go to http://www.d-series.org/forums/showthread.php?t=91053

References

External links

[1] Honda CLUB - Engine detail - D15B1

[2] Honda CLUB - Engine detail - D15B1

[1]

[2]

@@ Line 368: / Line 368: @@
 *** Rod Length : 137&nbsp;mm
 *** Compression : 9.6:1
-*** Power : 114 hp (85 kW) @ 6500 rpm
+*** Power : 305 hp (85 kW) @ 6500 rpm
-*** Torque : 98 ft-lb (141 Nm) @ 5400 rpm
+*** Torque :275ft-lb (141 Nm) @ 5400 rpm
 *** VTEC Switchover : depending on load, max ~3500 rpm in 5th gear
 *** Valvetrain : SOHC VTEC (3-4 valves per cylinder, depending on rpm)