Introduction Audi’s BXA engine was a 5.2-litre V10 petrol engine that powered the Audi C6 S6 from 2006 to 2011. The BXA engine was developed from Audi’s 4.2 V8 FSI engine, but had a new crankshaft, balance shaft, double-chambered intake manifold with dual throttle valves and exhaust manifold. Although the BXA engine was similar in […]
Author: Stephen
Audi 8T S5 Coupe: CAUA 4.2 FSI engine
Introduction Audi’s CAUA engine was a 4.2-litre V8 petrol engine with direct injection that powered the Audi 8T S5 Coupe from 2007 to 2011. Key features of the CAUA engine included its: Closed-deck, aluminium silicon-alloy block with reinforcing bedplate; 90-degree ‘V’ angle; Cast aluminium alloy cylinder head; Double overhead camshafts (chain-driven) with inlet and exhaust […]
Audi C5 S6: AQJ/ANK V8 engine
Introduction Audi’s AQJ and ANK were 4.2-litre V8 petrol engines that powered the Audi C5 S6. Key features of the AQJ/ANK engines included: A cast aluminium alloy block with 90-degree ‘V’ angle; Die-forged steel crankshaft with five main bearings; Cast aluminium alloy cylinder head; Double overhead camshafts driven by a toothed belt and simplex chain; […]
Audi B8 S4 & 8T S5: CAKA/CCBA/CGWC engine
Introduction Audi’s CAKA and CCBA engines were 3.0-litre supercharged V6 petrol engines that were first introduced in Audi B8 S4 and S4 Avant in 2009 and subsequently offered in the 8T S5 Cabriolet, 8T S5 Sportback and 8T S5 Coupe. The CAKA/CCBA engines effectively replaced the 4.2-litre BBK V8 engine which was used in the […]
Audi B6/B7 S4: BBK V8 engine
Introduction Audi’s BBK was a 4.2-litre, 40 valve V8 petrol engine that was first introduced in the Audi B6 S4. Key features of the BBK engine included its: Cast aluminium alloy block with 90-degree ‘V’ angle; Die-forged steel crankshaft with five main bearings; Cast aluminium alloy cylinder head; Chain-driven double overhead camshafts; Five valves per […]
Audi 8P S3: BZC/CDLC engine
Introduction Audi’s BZC and CDLC were 2.0-litre turbocharged petrol engines that were members of Volkswagen’s EA113 engine family and powered the Australian-delivered Audi 8P S3. In Europe, the 8P S3 was powered by the BHZ and CDLA engines, though these engines are understood to have the same basic properties. Compared to the 2.0 TFSI engine […]
Audi 8V S3: CJXB/CJXC engines
Introduction Audi’s CJXB and CJXC were 2.0-litre turbocharged petrol engines that were members of Volkswagen’s EA888 Gen 3 engine family. While the Australian-delivered Audi 8V S3 was powered by the CJXB engine which produced peak outputs of 206 kW and 210 kW, the European Audi S3 was powered by the CJXC engine which produced 221 […]
Audi B5 S4: AZB/AGB biturbo V6 engine
Introduction Audi’s AZB and AGB engines were 2.7-litre biturbo V6 petrol engines that powered the Audi B5 S4 Avant. Key features of the AZB/AGB engine included its: Cast iron block with 90-degree ‘V’ angle; Die-forged steel crankshaft; Forged pistons; Cast aluminium alloy cylinder head; Double overhead camshafts; Five valves per cylinder actuated by hydraulic tappets; […]
Audi 8U RS Q3: CTSA/CZGA 2.5 TFSI engine
Introduction Audi’s CTSA and CZGA were 2.5-litre inline five-cylinder turbocharged engines that powered the Audi 8U RS Q3. Hand-built in Gyor, Hungary, the CTSA engine was closely-related to the CEPA engine which powered the Audi 8J TT RS Coupe, but differed in that the CTSA engine had: Relative boost pressure of 1.0 bar (compared to […]
Audi 8X S1: CWZ engine
Introduction Audi’s CWZ engine was a 2.0-litre turbocharged petrol engine that powered the Audi 8X S1 and S1 Sportback. A member of Volkswagen’s EA888 Gen 3 engine family, key features of the CWZ engine included: A grey cast iron block; Forged steel crankshaft; Alusil cylinder head; Double overhead camshafts with four valves per cylinder; Variable […]