Suction Diesel Injection

Suction Diesel Injection

Suction Diesel Injection (SDI) [ [http://www.sgpetch.co.uk/pages/motability/abbreviations SDi Meaning] ] is a design of naturally aspirated diesel engine developed and produced by the Volkswagen Group for use in cars, vans, sailboats and a variety of industrial applications. These engines are produced in various sizes (from 1.7 to 2.5 litres) and states of tune, depending on application.

The SDI engine is used in applications where reliability and fuel economy are of primary concern. Because these engines lack any form of forced induction, their power output is low compared to a similar turbocharged engine. For example, the 2.0 SDI engine fitted to the Volkswagen Golf Mk5 has a peak power output of 74 bhp; whereas the same engine in turbocharged TDI form is rated at 138 or convert|168|bhp|kW PS|0|abbr=on, depending on specification. However, performance at very low engine speeds and when setting off from stationary is often superior to forced induction engines due to the lack of turbo lag. [http://www.mi-uk.com/products/engines/downloads/sdi19industrial.pdf The SDI 1.9 Industrial Engine] ]

The 1.9 SDI engine, fitted to the first generation Škoda Octavia, is particularly popular amongst taxi drivers due to its low fuel consumption and ability to cover large mileages (250,000+ miles) without requiring major mechanical attention.

Table of SDI engines and applications

[ [http://www.alex-original.com/Categories.asp?page=inner&CategoryID=125&TopID=89&CategoryName=VOLKSWAGEN&TopName=Air%20Conditioning%20Units%3CBR%3ERight%20Hand%20Drive Alex Original ltd. - Products ] ] [http://www.gates.com/europe/file_save_common.cfm?thispath=Europe%2Fdocuments_module&file=TB_020_addendum.pdf] [ [http://www.vw-m.de/index.php?id=6&L=1 Volkswagen Marine > Engines < ] ]

References

ee also

*BlueMotion
*Diesel engine
*List of discontinued Volkswagen Group diesel engines
*List of discontinued Volkswagen Group petrol engines
*List of Volkswagen Group diesel engines
*List of Volkswagen Group petrol engines
*Naturally aspirated
*Turbocharged Direct Injection (TDI)

External links

* [http://www.volkswagenag.com Volkswagen Group corporate website]


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