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#11 |
Crotch Rocket Curmudgeon
Join Date: Nov 2008
Location: Here to integrity
Moto: Li'l red baby Ninja
Posts: 7,482
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Probably because it runs ridiculously high compression, in order to be more efficient.
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#12 | |
AMA Supersport
Join Date: Feb 2009
Posts: 4,756
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"we also discovered that the vehicle’s four-cylinder onboard generator — which maintains the Volt’s lithium-ion batteries – will require premium fuel, according to GM." "In an emergency, regular gas can be used on the Volt, but fuel economy will be compromised, and the engine may become noisier. The Volt’s engine computer will detect the octane change and retard ignition timing. Still, Read highly recommends refilling the Volt with premium fuel as soon as possible to avoid damaging the engine." http://blogs.cars.com/kickingtires/2...es-and-no.html That would explain it, but I'm not sure why this engine would be running such high compression. One of the side effects of high compression is usually power, something this engine is lacking. My bike makes more power, does so with less than half the displacement, runs a 12.4:1 compression ratio, and can run on regular unleaded. I'm sure the engine in the Volt is set up for lower RPMs and more torque, but I still can't think of a reason why a 1.4 liter engine would require high compression to make 75hp. I haven't seen anything from GM to explain it either. |
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#13 |
giggity
Join Date: Nov 2008
Location: socal
Moto: street, sumo & dirty
Posts: 1,071
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Thread is chock-full of fail.
http://green.autoblog.com/2010/08/03...toblogGreen%29 It has a knock sensor, like practically every other car made today. |
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#14 |
WERA White Plate
Join Date: Nov 2008
Location: Nashville, TN
Moto: 2007 Suzuki GSX-r 750
Posts: 1,404
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I thought the volt was purely electric. So now it takes gas? and what kind of electricity is this thing going to draw, affecting your electric bill?
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#15 | |
AMA Supersport
Join Date: Feb 2009
Posts: 4,756
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#16 | |
Crotch Rocket Curmudgeon
Join Date: Nov 2008
Location: Here to integrity
Moto: Li'l red baby Ninja
Posts: 7,482
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It functions as a full electric until the battery dies. Then the backup generator kicks in.
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#17 | |
giggity
Join Date: Nov 2008
Location: socal
Moto: street, sumo & dirty
Posts: 1,071
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It has a knock sensor, like almost every other car on the road. |
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#18 |
AMA Supersport
Join Date: Feb 2009
Posts: 4,756
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And yet GM's powertrain spokesman has also "highly recommend(ed) refilling the Volt with premium fuel as soon as possible to avoid damaging the engine." This isn't coming from me, it is coming directly from GM.
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#19 | |
giggity
Join Date: Nov 2008
Location: socal
Moto: street, sumo & dirty
Posts: 1,071
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You realize that notice is in basically every owners manual on the road today, right? |
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#20 |
AMA Supersport
Join Date: Feb 2009
Posts: 4,756
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