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Category:DMAX engines (view source)

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The '''Family 0''' is a family of [[straight engine|inline]] [[piston engine]]s that was developed by [[GM Powertrain|GM-Opel Powertrain]], a subsidiary of [[Opel|Adam Opel GmbH]], as a low-displacement engine for use on entry-level subcompact cars from [[Opel]]/[[Vauxhall Motors|Vauxhall]].
[[Automobile]] engines [[DMAX (engines)|DMAX]]


The engine was first introduced in [[1996]] [[Opel Corsa]] as a [[straight-3|3-cylinder]] version. It features light [[cast-iron]] engine block, [[aluminum]] [[cylinder head]] with [[hollow-cast]] [[camshafts]] and [[DOHC]] valvetrains driven by [[Roller chain|chain]]. Modern versions use [[VLIM|variable intake]] technology.
[[Category:GM engines]]
 
* '''1.0 L''' [[Straight-3]] (973 cc): 40 kW / 55 hp, 82 Nm @ 2800 rpm
* '''1.0 L''' [[Straight-3]] (973 cc): 43 kW / 58 hp, 85 Nm
* '''1.0 L''' [[Straight-3]] (998 cc): 73.4 mm (2.89  in) bore, 78.6 mm (2.94 in) stroke, 10.5:1 compression.
* '''1.2 L''' [[Straight-4]] (1199 cc): 72.5 mm (2.85  in) bore, 72.6 mm (2.86 in) stroke, 10.1:1 compression, 75hp (55kW) @ 5600 rpm, 110Nm @ 4000 rpm
* '''1.2 L''' [[Straight-4]] (1229 cc): 73.4 mm (2.89  in) bore, 72.6 mm (2.86 in) stroke, 10.5:1 compression
 
===TwinPort===
 
New, updated version of the engine, introduced in 2003. Features '''[[TwinPort]]''' technology  - twin intake ports with a choke closing one of the ports at low RPM, providing strong air swirl pattern for higher torque levels and better fuel economy.
 
* '''1.0 L''' [[Straight-3]] (998 cc): 73.4 mm (2.89  in) bore, 78.6 mm (2.94 in) stroke, 10.5:1 compression, 60 hp (44 kW) @ 5600 rpm, 65 ft.lbf (88 Nm) @ 3800 rpm.
* '''1.2 L''' [[Straight-4]] (1229 cc): 73.4 mm (2.89  in) bore, 72.6 mm (2.86 in) stroke, 10.5:1 compression, 80 hp (59 kW) @ 5600 rpm, 81 ft.lbf (110 Nm) @ 4000 rpm.
* '''1.4 L''' [[Straight-4]] (1364 cc): 73.4 mm (2.89  in) bore, 80.6 mm stroke, 10.5:1 compression, 90 hp (66 kW) @ 5600 rpm, 125 Nm @ 4000 rpm.
 
Family 0 engines are used in:
* [[Opel Corsa]]
* [[Opel Tigra]]
* [[Opel Astra]]
* [[Opel Meriva]]
 
 
===Turbo===
Opel version of the [[GM Delta platform|Delta II]]-based compact car will feature [[turbocharged]] version of the 1.4 L engine with of [[variable valve timing]], and optional  [[gasoline direct injection]].  <ref name=1.4turboVVT> {{cite web | url=http://media.gm.com/servlet/GatewayServlet?target=http://image.emerald.gm.com/gmnews/viewpressreldetail.do?domain=827&docid=45710 | title=GM Announces Two New Fuel Efficient Engines author= [[General Motors|GM]] Media Online}}</ref> <ref name=1.4Turboflyer> {{cite web | url=http://media.gm.com/servlet/com.gm.mol.auth.MOLogon?key=pr_eurgmen_108560&country=eur&language=en|title = NEW 1.4 TURBO product flyer| author= [[General Motors|GM]] Media Online}}</ref>
This small turbocharged engine will deliver the performance of much larger naturally-aspirated engines while maintaining fuel efficiency of a small engine.
 
The engine will be used in:
*2010 [[Opel Astra]]
*2011 [[Chevrolet Cruze]]
*2011 [[Chevrolet Volt]] (same 1.4l engine without turbocharger)
 
===HCCI===
The [[Gasoline direct injection|direct injection]] version of 1.4 L VVT Turbo engine will be able operate in ignition-less [[HCCI]] (Homogenous Charge Compression Ignition) mode <ref name=futureengines> {{cite web | url=http://media.gm.com/servlet/GatewayServlet?target=http://image.emerald.gm.com/gmnews/viewpressreldetail.do?domain=137&docid=45732|title = GM Media Online: A Look Into the Future of Engines and Transmissions| author=General Motors}}</ref> <ref name=HCCIflyer> {{cite web| url=http://media.gm.com/servlet/com.gm.mol.auth.MOLogon?key=pr_eurgmen_108560&country=eur&language=en| title= CONTROLLED AUTO-IGNITION HCCI product flyer| author= [[General Motors|GM]] Media Online}}</ref> when equipped with two-step adjustable valve lift with variable cam phasing and advanced ECU with cylinder pressure sensors. 
 
==See also==
*[[GM Family II engine]]
*[[GM Family 1 engine]]
*[[List of GM engines]]
 
== References ==
{{reflist}}
 
[[Category:GM engines|Family  0]]
 
{{automotive-part-stub}}
 
[[it:GM Family 0]]
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