Manual Transmission Question
#1808066
04/20/15 09:05 PM
04/20/15 09:05 PM
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Joined: Jan 2004
Posts: 6,445 Missouri
68KillerBee
OP
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OP
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Joined: Jan 2004
Posts: 6,445
Missouri
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Say you're coming up to a stop from any speed, should you leave your car in a gear all the way to the stop or can you throw it in neutral and coast up to the light/sign? I'm talking any year car; old school or new ones. This would be in regards to any wear and tear on the transmission internals.
Last edited by 68KillerBee; 04/20/15 09:27 PM.
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Re: Manual Transmission Question
[Re: 68KillerBee]
#1808084
04/20/15 09:21 PM
04/20/15 09:21 PM
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Joined: Jan 2003
Posts: 1,482 Lake Orion, MI
goldduster318
pro stock
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pro stock
Joined: Jan 2003
Posts: 1,482
Lake Orion, MI
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Push in the clutch when the engine hits 1000 rpm. I have 3 stick vehicles. Basically do that on all of them. Keeps you from stalling it or making it too unhappy in any way.
'70 Duster 470hp 340/T56 Magnum/8 3/4 3.23 Sure-Grip
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Re: Manual Transmission Question
[Re: 68KillerBee]
#1808495
04/21/15 11:18 AM
04/21/15 11:18 AM
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Joined: Jul 2006
Posts: 183 usa
csmopar
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usa
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I'll edit the original question. This would be in regards to any wear and tear on the transmission. My cousin had brought it up when he was riding with me and I would put it in neutral and coast the rest of the way. But he works on semi's, so he was saying that's what he was told about them. Having a license to drive pretty much anything on wheels, I can tell you the reasons he saying that are: A: Semi's travel a lot more miles and haul a lot more weight. B: By putting a semi in neutral and coasting to the stoplight, you're using a lot more air using solely the brakes to stop. The brake systems are air brakes, the lower the air pressure, the less your brakes work. And even running, it can take a bit for the pressures to come back up. That's why they run jake brakes and use the trans/engine to help brake, especially in town. Your car will be fine either way.
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Re: Manual Transmission Question
[Re: csmopar]
#1808607
04/21/15 02:00 PM
04/21/15 02:00 PM
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Joined: Jan 2008
Posts: 3,886 Lost and Spaced
bboogieart
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Coasting in neutral is not the best thing to do. It makes stopping harder, causes excess heat that can glaze the friction surfaces, to the point it could be unsafe.
I down shift and use the engine to help slow down the vehicle. No matter what vehicle. My bike, a car, or a truck of any size. Especially on heavier vehicles.
Just don't red-line it when downshifting. That can hurt the motor.
I have mechanical Aptitude. I can screw up anything.
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Re: Manual Transmission Question
[Re: dogdays]
#1808795
04/21/15 06:20 PM
04/21/15 06:20 PM
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Joined: Jan 2008
Posts: 3,886 Lost and Spaced
bboogieart
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I think you missed this part of his post. "That's why they run jake brakes and use the trans/engine to help brake, especially in town."
You simply didn't downshift properly.
Heavy truck drivers should know how to down shift as well as up shift. No need to wear out either system prematurely. If you glaze the pads you aren't stopping either.
I have mechanical Aptitude. I can screw up anything.
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Re: Manual Transmission Question
[Re: 68KillerBee]
#1809033
04/21/15 10:45 PM
04/21/15 10:45 PM
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Joined: Jan 2003
Posts: 8,940 Holly/MI
Dean_Kuzluzski
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On a normal deceleration to a light/stop, let off the gas and leave it in gear to let them motor help slow the car down. Or use neutral if you're coastdown distance is further.
Downshifting is hard on the synchros/blocking rings. I rarely do it, don't see the need. If you insist, tap the throttle a little, in neutral, to get the sychros spinning and then downshift.
Remember, best shifts and minimal wear is when the gear you're shifting to is matched with the road speed & rpm.
R.I.P.- Gary "Coop" Davis 02/09/68-05/13/04
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Re: Manual Transmission Question
[Re: 68KillerBee]
#1809076
04/21/15 11:31 PM
04/21/15 11:31 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
About to go away
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About to go away
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Posts: 14,889
up yours
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If you get good enough you can cup and down shift without the clutch. Or just double clutch it if it really concerns you.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: Manual Transmission Question
[Re: Dean_Kuzluzski]
#1809496
04/22/15 03:39 PM
04/22/15 03:39 PM
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Joined: Jan 2003
Posts: 25,878 Rio Linda, CA
John_Kunkel
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Rio Linda, CA
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Once the car slows to a certain speed the compression braking in high gear is nil...I kick it into Neutral while coasting to a stop and don't shift into first until just before I'm ready to roll...saves the throwout bearing.
The INTERNET, the MISinformation superhighway
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Re: Manual Transmission Question
[Re: John_Kunkel]
#1809748
04/22/15 10:15 PM
04/22/15 10:15 PM
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Joined: Oct 2003
Posts: 4,013 South Park, Pa.
68LAR
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South Park, Pa.
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Once the car slows to a certain speed the compression braking in high gear is nil...I kick it into Neutral while coasting to a stop and don't shift into first until just before I'm ready to roll...saves the throwout bearing.
Exactly. This is the way I've been doing it for 50 years...
4 speed street legal. Best time 10.99 @ 124 mph on 93 octane pump gas @ 3926# total weight
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Re: Manual Transmission Question
[Re: 68KillerBee]
#1809823
04/22/15 11:40 PM
04/22/15 11:40 PM
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Joined: Jan 2003
Posts: 5,791 Hamilton, Ontario Canada
Magnum
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Hamilton, Ontario Canada
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Any choice you make will not prematurely wear out anything. Nobody here is glazing any brake in what you are talking about, seeing a stop ahead and coasting with a bit of braking involved.
But since you asked. For the ultimate friendly to the car stop. Neutral right away, coast and brake.
Decelerating a carbureted car produces a super rich condition. A closed throttle blade under engine braking has very little air to bleed in and the extra vacuum pulls hard on the transfer slots.
69 Super Bee, 93 Mustang LX, 04 Allure Super
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Re: Manual Transmission Question
[Re: 68LAR]
#1810210
04/23/15 03:31 PM
04/23/15 03:31 PM
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Joined: Sep 2004
Posts: 22,873 Chicken coop
dustergirl340
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Chicken Little
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Posts: 22,873
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Exactly. This is the way I've been doing it for 50 years... Same here. Well, not for 50 years, but...
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