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In service, the unit proved to be a somewhat mixed bag; some owners reported excellent reliability and long engine lives, others complained of overheating, frequent blowing of head gaskets, cylinder head cracks (cracks between the valve seats are common and do not represent danger if the cracks do not exceed specifications), premature wear of ...
An all new cylinder head was needed for the Audi-developed Fuel Stratified Injection (FSI), which features cylinder-direct fuel injection straight into the combustion chambers. The result of needing to site both spark plug and fuel injector meant that the former five-valve layout had to be changed to a four-valve-per-cylinder arrangement.
"Compacted Graphite Iron – a material solution for modern diesel engine cylinder blocks and heads" (PDF). FoundryInfo-India.org. SinterCast, Sweden. February 2008. p. 3 of 7 (95). Archived from the original (PDF) on 26 July 2011 "Volkswagen Marine - engines for planing boats" (PDF). vw-m.de. Volkswagen AG. January 2009.
For aircraft use, a number of experimenters, who were seeking a small, two-cylinder, four-stroke engine, began cutting Type 1 VW engine blocks in half, creating a two-cylinder, horizontally opposed engine. The resulting engine produces 30 to 38 hp (22 to 28 kW). Plans and kits have been made available for these conversions. [20] [21]
The following articles list Volkswagen Group engines which are available worldwide. These include motor vehicle engines, marine engines sold by Volkswagen Marine [1] and industrial engines sold by Volkswagen Industrial Motor.
The cylinder-head circuit heats the cabin's interior. The exhaust manifold is integrated into the cylinder head, enabling the engine to warm up more quickly, in turn making heat available quickly for the passenger cabin. At high loads, the exhaust is cooled by the coolant, lowering fuel consumption.
Based on the Audi B5 S4 2.7 V6 biturbo, this engine was tuned by Cosworth Technology (now MAHLE Powertrain), and featured enlarged intake and exhaust ports on the cylinder heads, two uprated parallel turbochargers, and two side-mounted intercoolers (SMICs), together with new induction and exhaust systems, and a re-calibrated engine management ...
"Compacted Graphite Iron – a material solution for modern diesel engine cylinder blocks and heads" (PDF). FoundryInfo-India.org. SinterCast, Sweden. February 2008. p. 3 of 7 (95). Archived from the original (PDF) on 26 July 2011 "Volkswagen Marine - engines for planing boats" (PDF). vw-m.de. Volkswagen AG. January 2009.