J-series

J30AC

J30AC DOHC Turbo V6

Displacement

3.0L (2997 cc)

Configuration

V6 60-degree

Power

355 hp (265 kW) @ 5500 rpm

Torque

480 Nm (354 lb-ft) @ 1400-5000 rpm

Compression

9.8:1

Bore × Stroke

86.0 mm x 86.0 mm

Valvetrain

DOHC with VTC

Aspiration

Turbocharged

Fuel System

Direct injection

OBD

OBD2

Years

2021-2025

Factory Fitment

Acura TLX Type-S, Acura MDX Type-S; TLX (UB7, 2021-2025)

Notes

Modern twin-scroll turbocharged DOHC V6 developed for the Type-S performance models; a major departure from the naturally aspirated SOHC J engines.

Swaps using the J30AC

Guides mentioning the J30AC

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