Honda D engine: Difference between revisions

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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 (currently the smallest engine uses a 1.4 L Template:Auto hp engine, code D14A4) to Template:Auto hp. The D-series was introduced in 1984 and ended production in 2005 with the introduction of the 8th generation Honda Civic.

Hot-rodding the D series

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.

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, 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. In all practicality though, the B series is much 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 among 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 Template:Auto hp is to be exceeded, although it should be noted that the D series crankshaft in particular has been found to reliably handle up to Template:Auto hp.

High compression OEM pistons are a quick way to gain horsepower 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. Now 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 D15B motors have a rod that is the same length as a D16. Other than the rod length, the rest of the bottom end is D15 spec (i.e. rod and crank bearings). D15B has D16 sized rod journals. D15B uses the same p28 rods that the D16z6 does. All other D15s have smaller 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 Template:Auto hp.

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 thresh-hold and is useful when employing forced induction.

D-series.org General D-series Informational Forum

Zeal Autowerks Compression Calculators for Popular Honda Motors & Horsepower Estimate Calculator

Compression Calculator and D-series Piston Information

Compression Calculator

Turbo D16

Sohc Honda

RedPepperRacing for D/EW series 84-87 civic/crx

First generation Integra site for info on the 86-89 Integra D16a1

Mini-Me

One of the most popular and effective methods of achieving greater power from a 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. The Z6 and Y8 heads are VTEC (Variable Valve Timing and Lift Electronic Control) equipped, and increase horsepower significantly over stock levels. This operation is known as a "Mini Me" or partial swap. Mini Me's are popular because they offer a substantial performance upgrade by adding VTEC to the motor at a relatively low cost.

Engine Specs

D13 Series Engines (1.3 Litre)

D13B1

Found in:
- 1988-1991 Honda Civic DX (European Market)
  - Displacement : 1343 cm³
  - Bore and Stroke : 75 mm X 76 mm
  - Compression : 9.5:1
  - Power, Torque : n/s (Not stated in Owners Manual)
  - Valvetrain : SOHC, 4 valves per cylinder
  - Fuel Control : Single Carburetor

D13B2

Found in:
- 1992-1995 Honda Civic DX (European Market)
  - Displacement : 1343 cm³
  - Bore and Stroke : 75 mm X 76 mm
  - Compression : 9:1
  - Power, Torque : Template:Auto hp @ 4500 rpm
  - Valvetrain : SOHC, 4 valves per cylinder
  - Fuel Control : Single Carburetor

D17Z Series Engines (1.7 Litre)

D17Z

Found in:
- 1987-1991 Honda Civic GL and 1990 CRX (European Market)
  - Displacement : 1766 cm¹⁶
  - Bore and Stroke : 81 mm X 79 mm
  - Compression : 9.3:1
  - Power, Torque : 229 ps (216 bhp) @ 5800 rpm, 292 Nm @ 4500 rpm
  - Valvetrain : SOHC, 16 valves
  - Fuel Control : Factory Supercharged.PGM-FI

D-SERIES

D14A2

Found in:
- 1995-1996 Honda Civic MA8 (European Market)
  - Displacement : 1396 cm³
  - Bore and Stroke : 75.0 mm X 79.0 mm
  - Compression : 9.2:1
  - Power, Torque : 66 kW @ 3800 rpm, 117 Nm @ 4800 rpm
  - Valvetrain : SOHC, 4 valves per cylinder
  - Fuel Control : Multi-point fuel Injection, PGM-FI

D15 Series Engines (1.5 Liters)

D15A2

Found in:
- 1984-1987 Honda CRX DX
- 1984-1987 Honda Civic (JDM)
  - Displacement : 1488 cm³
  - Bore and Stroke : 74 mm X 86.5 mm
  - Compression : 9.6:1
  - Power : Template:Auto hp @ 4500 rpm & 84 ft·lbf @ 2500 rpm
  - Valvetrain : SOHC 3 valves + 1 auxiliary valve for each cylinder
  - Fuel Control : Carbureted, CVCC, CVCC was not equipped on Canadian CDM cars
  - Known as the EW-2 from 84-86

D15A3

Found in:
- 1985-1987 Honda CRX Si and 1987 Civic Si (AU/NZ)
  - Displacement : 1488 cm³
  - Bore and Stroke : 74 mm X 86.5 mm
  - Compression : 9.5:1
  - Power : Template:Auto hp @ 4800 rpm & 93 ft·lbf @ 3500 rpm
  - Valvetrain : SOHC, 3 valves/cylinder
  - Fuel Control : Fuel Injected, Multi-point PGM-FI

D15B

VTEC
Found in:
- 1991-1999 Honda Civic VTi EG4 (Japanese Market)
  - Displacement : 1493 cm³
  - Bore and Stroke : 75 mm X 84.5 mm
  - Rod Length : 137 mm
  - Compression : 9.3:1
  - Power : Template:Auto hp @ 5800 rpm & 102 ft·lbf @ 4200 rpm
  - Redline : 7200 rpm
  - Fuel Cut : 7411 rpm
  - Valvetrain : SOHC VTEC
  - Fuel Control : OBD-1 MPFI

D15B (with 3 stage VTEC)

3-stage VTEC
Found in:
- 1996-1999 Honda Civic VTi EK3 and Ferio Vi
  - Displacement : 1493 cm³
  - Bore and Stroke : 75 mm X 84.5 mm
  - Rod Length : 137 mm
  - Compression : 9.3:1
  - Power : Template:Auto hp @ 5600 rpm & 102 ft·lbf @ 3800 rpm
  - Valvetrain : SOHC VTEC
  - Fuel Control : OBD-2 MPFI

D15B1

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

Found in:
- 1988-1991 Honda Civic Hatchback
  - Displacement : 1493 cm³
  - Bore and stroke : 75 mm X 84.5 mm
  - Compression : 9.2:1
  - Power : Template:Auto hp @ 4500 rpm & 83 ft·lbf @ 3000 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Fuel Control : OBD-O DPFI

D15B2

Found in:
- 1988-1991 Honda Civic DX/DLX
- 1988-1991 Honda CRX DX
- 1992-1995 Honda Civic LSi Hatch/Saloon (European Market)
  - Displacement : 1493 cm³
  - Bore and stroke : 75 mm X 84.5 mm
  - Compression : 9.2:1
  - Power : Template:Auto hp @ 4900 rpm & 119 Nm @ 3800 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Fuel Control : PGMFI Dual Point

D15B4

Found in:
- 1989-1991 Honda Civic GL (Australian Market)
  - Displacement : 1493 cm³
  - Bore and stroke : 75 mm X 84.5 mm
  - Compression : 9.2:1
  - Power : Template:Auto hp @ 5200 rpm & 122 Nm @ 3800 rpm
  - Valvetrain : SOHC (2-4 valves per cylinder, depending on year)
  - Fuel Control : Dual Carburettor

D15B6

Found in:
- 1988-1991 Honda CRX HFx
  - Displacement : 1493 cm³
  - Bore and Stroke : 75 mm X 84.5 mm
  - Compression : 9.1:1
  - Power : 62 hp(88-89) 72 hp(90-91)@ 4500 & 83 ft·lbf @ 2800 rpm
  - Valvetrain : SOHC (2 valves per cylinder)
  - Fuel Control : OBD-0 MPFI

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 : 1493 cm³
  - Bore and Stroke : 75 mm X 84.5 mm
  - Compression : 9.2:1
  - Power : Template:Auto hp @ 5600 rpm & 98 ft·lbf @ 3800 rpm
  - Valvetrain : SOHC (4 valves per cylinder)
  - Fuel Control : OBD-1 MPFI

D15B8

Found in:
- 1992-1995 Honda Civic CX (U.S. model)
  - Displacement : 1493 cm³
  - Bore and Stroke : 75 mm X 84.5 mm
  - Compression : 9.1:1
  - Power : Template:Auto hp @ 4500 rpm & 83 ft·lbf @ 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 : 1493 cm³
  - Bore and Stroke : 75 mm X 84.5 mm
  - Rod Length : 137 mm
  - Compression : 9.3:1
  - Power : Template:Auto hp @ 5600 rpm & 97 ft·lbf @ 4800 rpm
  - VTEC Switchover : 2500 rpm
  - Valvetrain : SOHC VTEC-E (4 valves per cylinder)
  - Fuel Control : OBD-1 MPFI

D15Z4

Found in:
- 1996-2000 Civic Exi and SA Ballade & Civic 150i
- Displacement : 1493 cm3
- Power : {{Auto hp|105 }77kw} @ 5800 rpm
- Torque (ft·lbf@rpm): 99 (135 N·m) @ 3,800 rpm
- Valvetrain : SOHC non-VTEC 16v

D15Z6

VTEC-E
Found in:
- 1996-2000 Honda Civic LS (European Market)
  - Displacement : 1493 cm³
  - Bore and Stroke : 75 mm X 84.5 mm
  - Rod Length : 137 mm
  - Compression : 9.6:1
  - Power : Template:Auto hp @ 5900 rpm
  - Torque : 100 ft·lbf (141 Nm) @ 4800 rpm
  - VTEC Switchover : 2500 rpm (3500 rpm in 5th gear)
  - Valvetrain : SOHC VTEC-E (4 valves per cylinder)
  - Fuel Control : PGM-FI MPFI

D15Z8

VTEC-E
Found in:
- 1996-2000 Honda Civic LS (European Market)
  - Displacement : 1493 cm³
  - Bore and Stroke : 75 mm X 84.5 mm
  - Compression : 9.1:1
  - Power : 84 kw (114 hp) @ 6500 rpm
  - Torque : 134 Nm (95 ft·lbf) @ 5500 rpm

D16 Series Engines (1.6 Liters)

D16A1

Found in:
- - 1986-89 Acura Integra (USA)
  - 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 : Template:Auto hp @ 5600 rpm 1988-1989 Power : Template:Auto hp @ 5600 rpm
  - 1986-1987 Torque : 100 ft·lbf @ 3500 rpm 1988-1989 Torque: 95 ft·lbf @ 3500 rpm
  - Valvetrain : DOHC
  - Fuel Control : OBD-0 MPFI

D16A3

Found in:
- 1986-89 Acura Integra (Australia)
  - Displacement : 1590 cm³
  - Bore and Stroke : 75 mm X 90 mm
  - Compression : 9.5:1
  - Power : Template:Auto hp @ 5600 rpm & 103 ft·lbf @ 4800 rpm
  - Valvetrain : DOHC
  - Fuel Control : OBD-0 MPFI

D16A6

Found in:
- 1988-1991 Honda Civic Si, CRX Si, Civic Wagon RT4WD
- 1988-1995 Honda Civic Shuttle RT4WD (UK/Europe/Asia/AU/NZ)
- 1989-1996 Rover 216/416 GTI (UK/Europe)
  - Displacement : 1590 cm³
  - Bore and Stroke : 75 mm X 90 mm
  - Compression : 9.1:1
  - Power : Template:Auto hp @ 5600 rpm & 95 ft·lbf @ 3,800 rpm, redline 6500 rpm (USA)

Note: 1988 engines were Template:Auto hp, MY89-91 hp was increased to 108

- - Valvetrain : SOHC
  - Fuel Control : OBD-0 Multi-point PGM-FI
  - Head Code : PM3

D16A7

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

Found in:
- 88-95 Models in South Africa
- Ballade SH4 and SR4 ( D16A7 / EE4 )
  - Displacement : 1590 cm³
  - Bore and Stroke : 75 mm X 90 mm
  - Compression : 9.6:1
  - Power : 115hp @ 5900 rpm & 100ft·lbf @ 4800 rpm
  - Valvetrain : SOHC
  - Fuel Control : OBD-0 Multi-point PGM-FI

D16A8

Found in:
- 1988-1991 Civic/CRX/Concerto (UK/Europe/Australia)
- 1990-1995 Rover 216/416 (UK/Europe)
  - Displacement : 1590 cm³
  - Bore and Stroke : 75 mm X 90 mm
  - Compression : 9.5:1
  - Power : Template:Auto hp @ 5800 rpm & 108 ft·lbf @ 4500 rpm
  - Valvetrain : DOHC
  - Fuel Control : OBD-0 MPFI
  - ECU Code: PM7

D16A9

(Same as D16A8 but without a catalytic converter)

Found in:
- 1988-1991 Civic/CRX/Concerto (UK/Europe)
- 1989-1996 Rover 216/416 GTI (UK/Europe)
- 1992-1995 Civic Si (Peruvian version)
  - Displacement : 1590 cm³
  - Bore and Stroke : 75 mm X 90 mm
  - Compression : 9.5:1
  - Power : Template:Auto hp @ 5900 rpm & 108 ft·lbf @ 4800 rpm
  - Valvetrain : DOHC
  - Fuel Control : OBD-0 MPFI
  - ECU Code: PM7
  - GearBox : L3 Cable type

D16Y3

Found in:
- 1995-1997 Honda Civic MB1 LS (UK/Europe)
  - Displacement : 1590 cm³
  - Power : Template:Auto hp @ 5600 rpm, redline 6500 rpm
  - Valvetrain : SOHC

D16Y5

VTEC-E
Found in:
- 1996-2000 Honda Civic HX
- 1996 Honda Civic EX(sedan Peruvian version)
  - Displacement : 1590 cm³
  - Bore and Stroke : 75 mm X 90 mm
  - Compression : 9.4:1
  - Power : Template:Auto hp@ 5600 rpm & 100 ft·lbf @ 4500 rpm
  - Valvetrain : SOHC VTEC-E
  - Fuel Control : OBD-2 MPFI
  - Head Code : P2J
- 1996-2000 VTi (Phils. & NZ)
  - Displacement : 1590 cm³
  - Bore and Stroke : 75 mm X 90 mm
  - Compression :
  - Power : Template:Auto hp@ 5800rpm
  - Valvetrain : SOHC VTEC-E
  - 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 Honda Civic Special Edition - SE(Canada)
- 1996-97 Honda del Sol S
  - Displacement : 1593 cm³
  - Bore and Stroke : 75 mm X 90 mm
  - Compression : 9.4:1
  - Power : Template:Auto hp @ 5600 rpm
  - Torque (ft·lbf@rpm): 95 (141 N·m) @ 3,800 rpm
  - Valvetrain : SOHC
  - Fuel Control : OBD-11 MPFI
  - Head Code : P2F

D16Y8

Also available in New Zealand under the code D16Y6

VTEC

Found in
- 1997-1998 Honda Civic EX Sedan
- 1996-1998 Honda Civic EX Coupe
- 1996-2000 Honda Civic EX (USDM)
- 1996-2000 Honda Civic SI (Canada Only)
- 1996-2000 Acura 1.6EL (Canada Only)
- 1996-1997 Honda del Sol Si
  - Displacement : 1590 cm³
  - Bore and Stroke : 75 mm X 90 mm
  - Compression : 9.6:1 Piston Code:P2P
  - D16Y8 1.6 16V SOHC VTEC-II PGM-FI 1590
  - 126 hp@5900 rpm 108tq@4800 rpm
  - Head Code : P2P
  - VTEC crossover: 5300 rpm
  - Redline 7200 rpm

D16Y9

Found in:
- 1996-2000 Honda Ballade and Civic in South Africa
  - Displacement : 1590 cm³
  - Bore and Stroke : 75 mm X 90 mm
  - Compression : 9.2:1
  - Power, Torque : {{Auto hp120 / 89kw} @ 5900 rpm 146nM @ 4000 rpm
  - Valvetrain : SOHC, 4 valves per cylinder non - VTEC
  - Fuel Control : Fuel Injection

D16Z5

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

Found in:
- 1988-1992 Honda CRX (European Market)
  - Displacement : 1590 cm³
  - Bore and Stroke : 75 mm X 90 mm
  - Compression : 9.5:1
  - Power : Template:Auto hp @ 5600 rpm
  - Valvetrain : SOHC
  - Fuel Control : OBD-0 PGM-FI
  - Head Code : P7
  - ECU Code: PM7

D16Z6

Found in
- 1992-1995 Honda Civic (ex/si)
- 1993 Honda Del Sol Si (only USDM)
  - Displacement : 1590 cm³
  - Bore and Stroke : 75 mm X 90 mm
  - Compression : 9.4:1
  - Power : Template:Auto hp @ 5800 rpm & 106 ft·lbf @ 4500 rpm
  - Redline : 7200 rpm
  - Fuel Cut : 7411 rpm
  - VTEC Switchover 4800 rpm
  - Valvetrain : SOHC VTEC
  - Fuel Control : OBD-1 MPFI
  - Head Code : P08
  - Head Code (EU): P28

D16Z9

Found in:
- 1995-1997 Honda Civic MB1 SR (UK/Europe)
  - Displacement : 1590 cm³
  - Power : Template:Auto hp
  - Valvetrain : SOHC VTEC

D17 Series Engines (1.7 Liters)

D17A1

Found in:
- 2001-2005 Honda Civic DX/LX/VP
  - Displacement : 1668 cm³
  - Bore and Stroke : 75 mm X 94.4 mm
  - Compression : 9.5:1
  - Power : Template:Auto hp @ 5600 rpm & 110 ft·lbf @ 4500 rpm
  - Valvetrain : SOHC
  - Fuel Control : OBD-2 MPFI

D17A2

VTEC-E
Found in:
- 2001-2005 Honda Civic EX
- 2001-2005 Honda Civic Si (Canada only)
  - Displacement : 1668 cm³
  - Bore and Stroke : 74.98 mm X 94.4 mm
  - Compression : 9.9:1
  - Power : Template:Auto hp @ 5800 rpm & 114 ft·lbf @ 3800 rpm
  - Valvetrain : SOHC VTEC-E
  - Fuel Control : OBD-2 MPFI

D17A6

VTEC-E
Found in:
- 2001-2005 Honda Civic HX
  - Displacement : 1668 cm³
  - Bore and Stroke : 75 mm X 94.4 mm
  - Compression : 9.5:1
  - Power : Template:Auto hp @ 5800 rpm & 111 ft·lbf @ 3800 rpm
  - Valvetrain : SOHC VTEC-E
  - Fuel Control : OBD-2 MPFI

D17A7

Found in:
- 2004-2005 Honda Civic GX
- Uses CNG (Compressed Natural Gas)
  - Displacement : 1668 cm³
  - Bore and Stroke : 75 mm X 94.4 mm
  - Compression : 12.5:1
  - Power : 115 @ 5800 rpm & 98 ft·lbf @ 3800 rpm
  - Valvetrain : SOHC
  - Fuel Control : OBD-2 MPFI

Initial List created from "Honda Engine List". 6-19-2006. {{cite web}}: |first= missing |last= (help); Check date values in: |date= (help) on HondaSwap.com

ZC (similar to D15Z4, D16A1, D16A3, D16A6, D16A8 and D16A9 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 SOHC ZC is similar to the D15Z4 and D16A6 engine, and the DOHC ZC is similar to the D16A1, D16A3, D16A8 and D16A9 engines.

Euro Mk1 (85-87) 1.6 CRX's are fitted with an engine designated "ZC1" which is a higher spec 120 bhp version of the D16a1.

What is a ZC? (fourthgenhatch.net)

External links

@@ Line 254: / Line 254: @@
 *** Valvetrain : SOHC VTEC-E (4 valves per cylinder)
 *** Fuel Control : PGM-FI MPFI
+====D15Z8====
+*[[VTEC#SOHC VTEC-E|VTEC-E]]
+*Found in:
+** 1996-2000 Honda Civic LS (European Market)
+*** Displacement : 1493 cm³
+*** Bore and Stroke : 75 mm X 84.5 mm
+*** Compression : 9.1:1
+*** Power : 84 kw (114 hp) @ 6500 rpm
+*** Torque : 134 Nm (95 ft·lbf) @ 5500 rpm
 ===D16 Series Engines (1.6 Liters) ===