Chap 1: Engine Basics ME 419

3.0 liter Jaguar AJ-V6 used in S Type Jaguars (Ford Duratec with VVT)

The AJ30 is a 3.0 L (2967 cc) version and is the most common, especially considering the Duratec 30. It has an 89 mm (3.5 in) bore and 79.5 mm (3.1 in) stroke. In the S-Type, it produces 230 hp (172 kW; 234 PS) and 209 lb·ft (283 N·m). The Jaguar XF debuted a refined version of the AJ30 with continuously variable cam-phasing and variable geometry air intakes to increase power and broaden the powerband up to its 6800 rpm redline.

Wankel Configuration

Useful Terminology

• Power and measuring power • Indicated power • Mean effective pressure (mep, bmep, imep) • Mean piston speed • Brake power • Indicated power • Indicated thermal efficiency • Brake specific fuel consumption (bfsc)

Passenger Car Engines

Truck Engines

Other Applications