Introduction The Mazda L5-VE was a 2.5-litre four-cylinder petrol engine that powered the Mazda GH Mazda6 (2008-12), the Mazda BL Mazda3 SP25 (2009-13) and the Mazda CX-7 (2009-12). Block The L5-VE engine had an aluminium alloy cylinder block with 4340 steel-molybdenum alloy bores for their high heat tolerance and low-friction properties. With 89.0 mm bores […]
Author: Stephen
Mazda LF-DE and LF-VE engines
Introduction The Mazda LF-DE was a 2.0-litre four-cylinder petrol engine that was first introduced in the 2004 Mazda BK Mazda3. In 2005, the LF-VE engine was introduced in the Mazda NC MX-5; it differed from the LF-DE in that it had variable intake valve timing (Mazda’s ‘Sequential Valve Timing’ or S-VT). For the BK Mazda3, […]
Mercedes-Benz M104 engine (1989-98)
The Mercedes-Benz M104 was an inline, six-cylinder petrol engine that was introduced in 1989 to replace the M103 engine. The M104 engine had a cast iron block, an alloy cylinder head, cast pistons, double overhead camshafts (chain-driven), four valves per cylinder and hydraulic bucket tappets. Furthermore, all M104 engines had camshafts adjusters on the intake […]
Mazda L3-VDT engine
Introduction The Mazda L3-VDT was a 2.3-litre turbocharged four-cylinder petrol engine with direct fuel injection that was first introduced in the Mazda GG Mazda6 MPS in 2005. The L3-VDT engine was subsequently deployed in the Mazda BK Mazda3 MPS, BL Mazda3 MPS and Mazda CX-7. Block The L3-VDT engine had a precision gravity sand-cast cylinder […]
Mazda L3-VE engine
Introduction The Mazda L3-VE was a 2.3-litre four-cylinder petrol engine that powered the Mazda GG/GY Mazda6 from 2002 to 2007 and the Mazda BK Mazda3 SP23 from 2004 to 2009. Block The L3-VE engine had a precision gravity sand-cast cylinder block that was made of high-grade aluminium alloy, while cast-iron cylinder sleeves were cast directly […]
HSV LS3 V8 engine (2008-17)
Introduction The LS3 was a 6.2-litre pushrod V8 petrol engine that was developed and manufactured by GM and available in HSV models from April 2008 to the present. The LS3 replaced the 6.0-litre LS2 V8 engine. LS3 block Compared to the LS2 engine, the deep-skirt, aluminium cylinder block was strengthened for the LS3 engine. Within […]
HSV LS7 V8 engine (2008-09)
Introduction Based on General Motors’ ‘Generation IV’ architecture, the LS7 was a 7.0-litre pushrod V8 petrol engine that was a road-going version of the engine that powered Chevrolet’s Corvette C6.R Le Mans race car. Hand-built at GM Performance Build Center in Wixom, Michigan, the LS7 engine was first deployed in the Chevrolet Corvette Z06. For […]
HSV LSA supercharged V8 engine (2013-17)
Introduction The LSA was a 6.2-litre supercharged V8 petrol engine that was based on the naturally aspirated LS3 engine. The LSA engine was manufactured at GM’s plant in Silao, Mexico, and its first Australian application was the HSV Gen-F GTS. During testing, the LSA engine accumulated more than 6400 hours of dynamometer testing, completed 24 […]
Holden LY7 Alloytec V6 engine (2004-09)
Introduction Manufactured in Port Melbourne, Australia, the Holden LY7 ‘Alloytec’ V6 engine was available from 2004 to 2009. Developed by GM Powertrain, the LY7 was part of General Motors’ High Feature V6 (HFV6) engine family; within General Motors’ ‘Regular Production Option’ (RPO) system, ‘LY7’ was the code for the high output HFV6 engine. The lower-output […]
HSV LS2 ‘Generation IV’ V8 engine (2004-08)
Introduction The LS2 was a 6.0-litre pushrod V8 petrol engine that was developed and manufactured by GM and offered in HSV models from 2004 to 2008. Based on the LS1 ‘Generation III’ engine, the LS2 ‘Generation IV’ engine was developed to support for cylinder deactivation (GM’s ‘Active Fuel Management’, or AFM) and variable valve timing […]