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General Discussion >> Technically Speaking >> Baronvorort - Stop start feature http://www.ozpolitic.com/forum/YaBB.pl?num=1604661738 Message started by Sprintcyclist on Nov 6th, 2020 at 9:22pm |
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Title: Baronvorort - Stop start feature Post by Sprintcyclist on Nov 6th, 2020 at 9:22pm Quote:
Hi baron, the Stop Start feature stops the engine when it is idling at a red light. When you want to go again, just press the accelerator and the engine coughs into life and you go. It is more applicable in the US where the red signal are red for a lot longer. Here is Auss, not really any advantage I think |
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Title: Re: Baronvorort - Stop start feature Post by Brian Ross on Nov 7th, 2020 at 5:24pm
I've driven a Mercedes-Benz diesel with a stop-start feature. It is quite common in Europe apparently. It saves a load of fuel but is a bit disconcerting to start with. Works fine. Bit of a slower take off from the lights but that is about all.
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Title: Re: Baronvorort - Stop start feature Post by Bojack Horseman on Nov 7th, 2020 at 8:28pm
I have it on thr Forester you can turn it off but also you just think ahead and take your foot off the bgrake edal early
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Title: Re: Baronvorort - Stop start feature Post by aquascoot on Nov 8th, 2020 at 8:10am
Not a good idea.
I'm sure it is because of mandatory requirements on fuel consumption in very green Europe. But your oil pump is not working with the engine off and oil will move down from the head. And then you will have less oil when you reboot at the top of the engine. So you will be producing a small amount of premature engine wear. That suits Mazda, merc and Subaru fine. Engine dies at 7 years, just after the warranty expires and the consumer buys a new one |
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Title: Re: Baronvorort - Stop start feature Post by freediver on Nov 8th, 2020 at 8:40am aquascoot wrote on Nov 8th, 2020 at 8:10am:
I think the technology has improved a bit since the model T. |
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Title: Re: Baronvorort - Stop start feature Post by John Smith on Nov 8th, 2020 at 9:09am
I hate the damn thing ... it should be an opt in option when you start your car, not an opt out.
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Title: Re: Baronvorort - Stop start feature Post by Baronvonrort on Nov 8th, 2020 at 10:58am Sprintcyclist wrote on Nov 6th, 2020 at 9:22pm:
In the US you're allowed to turn right with red lights. Not a fan of this it will also turn AC off in summer the compressor is driven by engine. The water pump also stops which means water temp increases inside engine. I put a Davies Craig electric water pump in SS Torana so water can still circulate after engine is turned off. Fuel injected cars have fuel cut on deceleration which means when you lift off throttle and coast (throttle position is 0%) it will cut fuel to injectors until engine speed drops below around 1200 rpm so lifting off throttle and coasting to red light saves fuel and brake pad wear if you are still moving when light turns green you use less fuel getting back up to speed. |
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Title: Re: Baronvorort - Stop start feature Post by aquascoot on Nov 8th, 2020 at 2:03pm freediver wrote on Nov 8th, 2020 at 8:40am:
true , fuel injection makes it a lot smoother and they would stop the engine close to TDC to make it ready for a restart. but it is still mainly done to scam the "official" fuel consumption test. the 'official " fuel consumption test is done on an urban scenario with a lot of stop/start driving. i think from memory the 45 minute test requires 15 minutes where the vehicle is stopped. cars use very very little fuel at idle, but the small reduction in fuel consumption makes mazda subaru and the germans appear to be delivering a better product |
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