Shut your car off! - Wrist Twisters
 
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post #1 of 16 Old 08-22-2014, 04:52 AM Thread Starter
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Shut your car off!

Here's one that's not motorcycle related, but still mechanical and technical.

Not sure if it's happening elsewhere, but locally there is a big push on radio to shut your car off if you're going to be setting for more than 10 seconds. They discuss how much better this is for the engine, the enviorment, and your fuel mileage; quoting tests proving your engine is suffering when it is just setting idle.

They say to shut it off at stoplights, drive thrus, waiting lines at schools, etc.

Couple of insights from HondaJim:
-Wear and tear on starter components is going to increase.
-Bearing and crank/cam wear will probably increase due to all the starts.
-There's going to be a lot of cars that won't restart at intersections, confused drivers, horns honking, and general St. Louis type mob violence.
-You're not going to notice the fuel mileage change, but your mechanic will love you in a nohomo kind of way.
-Al Gore will still claim he invented the internet and the icebergs are suffering.

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post #2 of 16 Old 08-22-2014, 05:19 AM
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Yeah, screw that. I bet batteries and alternators would wear out faster, too. My commute while I was working was 90% rural and there were still more than 10 lights between home and work. There is no way I'd put my vehicles through that kind of pain.

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post #3 of 16 Old 08-22-2014, 05:52 AM
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Yes that seems like a recommendation based less on facts and more on an environMENTAList agenda. It reminds me of Congress mandating those curly florescent light bulbs with no plan to deal with all that mercury in our land fills. Far too many officials we elect believe their success is measured by the number of new laws and regulations they create.
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post #4 of 16 Old 08-22-2014, 07:20 AM
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These are the same people who are telling you to NOT warm up your car before taking off when it's -40 outside.

No thanks. I ride a motorcycle, so I already do my part for the environment. I will let my car idle as much as I want.



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post #5 of 16 Old 08-22-2014, 07:37 AM
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I'm not buying the 10 seconds. The old rule of thumb was much longer, 30-45 seconds. Of course, all the vehicles had carbs back then.

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post #6 of 16 Old 08-22-2014, 08:29 AM
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When you do this in hot weather, you get heat soak. The fans and pumps stop and the engine is no longer cooling.

However, on another note, this was addressed on Mythbusters. They shut the car off and coasted to a stop, the shut off was as far as they could be from the stopping point and they takeoff was as slow as they could.

The results were actually impressive, something along the lines of 20+%

However, this is NOT safe.

Power brakes are powered by engine vac (usually), power steering, etc.. Not to mention, if you have a key locking steering wheel, you can lock the wheel and have an accident.

GOOD NEWS ---- I have a solution to all this... Ride a motorcycle ... they get better MPG

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post #7 of 16 Old 08-22-2014, 08:49 AM
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A lot of my rental cars in Europe are doing this automatically. Mercedes, Skoda, we're the last two that I am sure shut down on their own when you stop. The Skoda was a stick gas engine, when you stopped if you shifted into neutral it would shut down. The Mercedes was a diesel and it would shut itself off on its own.

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post #8 of 16 Old 08-22-2014, 10:16 AM
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We had a rental car for a few days, I let it idle for a long, long time with the A/C on.

Anyway, anyone else notice the number of idiots has been increasing at an alarming rate?

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post #9 of 16 Old 08-22-2014, 11:26 AM
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What. The. Hell. It's fine if the car is designed for stop/start of the engine. Otherwise, stock up on starter motors and starter rings (and ignition switches, and batteries, and main bearings, and thrust bearings, and belts, and...)

How is trashing my car going to save anything for anyone? Duh.

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post #10 of 16 Old 08-22-2014, 03:16 PM
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Quote:
Originally Posted by nine1nine View Post
A lot of my rental cars in Europe are doing this automatically. Mercedes, Skoda, we're the last two that I am sure shut down on their own when you stop. The Skoda was a stick gas engine, when you stopped if you shifted into neutral it would shut down. The Mercedes was a diesel and it would shut itself off on its own.
My 15 year old F150 (5 speed stick) does this automatically too just like the Mercedes. The last time I was cruising down the interstate at 75 and presto - shutoffo. It uses far less gas on the back of a flatbed tow truck than when it's running. After the Detroit engineers saw it sitting at the side of the road so many times they figured they could make new ones do the same thing at red lights and the rest is history.

"Keep on 9-in"

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post #11 of 16 Old 08-22-2014, 03:59 PM
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That just made me lol!!!

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post #12 of 16 Old 08-22-2014, 09:45 PM
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Because stop and go is great for your motor, might as well take it further.

My classified(s):
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post #13 of 16 Old 08-23-2014, 04:54 AM
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Kind of like a post whore -

"My car's been started more than yours"

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post #14 of 16 Old 08-23-2014, 09:22 PM
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Quote:
Originally Posted by Steve View Post
Kind of like a post whore -

"My car's been started more than yours"
That's a POST whore alright.

My classified(s):
Nothing at the moment

----------------
------------
---------
------
---
- '96 Race-retired GSXR 750 (Sold)
- '01 RC51 SP1 (Sold)
- '03 919

"Security is mostly a superstition, it does not exist in nature: avoiding danger in the long run is no safer than outright being exposed. Life is either a daring adventure or nothing."-Helen Keller
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post #15 of 16 Old 08-23-2014, 09:34 PM
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Typing this as I sit idling.....

2002 SuperHornet 919 - In a continuously variable state of modification.

1974 CB360- awaiting restoration money

Past Bikes:

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post #16 of 16 Old 09-07-2014, 10:51 PM
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In Korea we ran our HMMW-V's 24hr a day(for 2-3 weeks)while we were in the field for the heater during the winter, only time we shut em down was during fueling...even let them idle all night and slept in the seats or on the hood

:buell:
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