D-series

D16A1

D16A1 DOHC

Displacement

1.6L (1590 cc)

Configuration

Inline-4

Power

113 hp (115 PS) @ 6250 rpm (1986-87 browntop) / 118 hp (120 PS) @ 6500 rpm (1988-89 blacktop)

Torque

134 N-m @ 5500 rpm (browntop) / 139 N-m @ 5500 rpm (blacktop)

Compression

9.3:1 (browntop) / 9.5:1 (blacktop)

Bore × Stroke

75.0 mm x 90.0 mm

Valvetrain

DOHC (16 valves)

Aspiration

Naturally aspirated

Fuel System

PGM-FI

OBD

OBD0

Years

1986-1989

Factory Fitment

Acura Integra (USA); Integra (DA3, 1986-1989)

Notes

The first-generation Acura Integra DOHC 1.6, distinguished by early browntop and later blacktop cam-cover versions with slightly different tuning.

Swaps using the D16A1

Guides mentioning the D16A1

Difficult 1-2 days

Civic Type R 5-Lug Brake and Suspension Conversion for the 1996-2000 Civic (EK)

Easy 15-30 minutes

Honda PGM-FI Fault Code Reading and ECU Reset (OBD0/OBD1/OBD2)

Expert 6-10 hours (excluding paint and parts lead time)

Honda Fit (GE8) JDM 11-Pin Folding, Heated Door Mirror Retrofit

Difficult 6-10 hours

Honda Prelude (4th Gen) Projector Headlight Retrofit

Difficult 4-6 hours

Honda Fit (GE8) LED Taillight and Rear Fog Light Retrofit

Difficult 3-4 hours

Honda Fit (GE8) HomeLink and Ambient Light Retrofit Using an Acura TSX Overhead Console

Moderate 4-6 hours (plus sealant cure time)

DIY Amber City Lights in Honda Headlight Housings

Difficult 3-5 hours

Diagnosing Dead ECT, CMP and Wideband O2 Signals After a K-Series Conversion Harness Swap