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Using low gears in an auto (Read 2364 times)
Sprintcyclist
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Using low gears in an auto
Jun 18th, 2021 at 2:04am
 
I have done this for a long time and every day.

Quote:
...........    1. Towing Heavy Loads
If you are pulling a large boat or you have a truck and the flatbed is loaded down with heavy equipment or supplies, you could damage your transmission if you don’t drive in “low gear.” This is because your transmission is programmed to operate and shift under the manufactured weight of the vehicle. When you significantly change the weight, it can have adverse effects on the transmission. Using low gear to tow heavy loads ensures that the entire transmission keeps the engine running at higher RPMs in order to handle that heavier load.

2. Steep Inclines & Declines
Another reason that drivers of automatic vehicles may choose to shift manually to low gear is during times of driving on steep hills or mountains. Shifting your engine manually to low gear while driving up a steep hill can help give your car a little more power, or engine torque, to make the climb without stressing the engine. Conversely, driving in low gear as you descend a steep hill can help you stay slow and steady without riding your brake or burning up your transmission.         ................



https://parksidemotors.ca/when-to-use-low-gears-in-an-automatic/
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aquascoot
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Re: Using low gears in an auto
Reply #1 - Jun 18th, 2021 at 6:45am
 
There are so many caravans on the roads now days sprint it's unbelievable

Just a couple of observations about keeping machinery functional

Always have a can of inox in the boot and spray all your suspension once a week to keep the rust off it
Inox is cheap and suspensions are expensive

Spray all around the electronic braking system
Don't drive your caravan through creek crossings with hot bearings or heated up brakes

Spray all around your jockey wheel your shackles and towball

Make sure you have a good trailer braking system and make sure it is adjusted correctly for the weight you are towing

Don't tow heavy loads with 4 cylinder turbo diesels

You can't be cubic centimetres for towing ability

And no that does not mean by a dodge ram
They are rolling piles of junk
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Valkie
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Re: Using low gears in an auto
Reply #2 - Jun 19th, 2021 at 9:04pm
 
I would take some contest with some of your statements.
But not towing with a 4 cylinder diesel, that's just incorrect.

I have an Isuzu mux, it has a 4 cylinder engine and is designed to tow.
The exact same engine is fitted to the dmax and the 8 ton truck.
The engine cylinder configuration has little to do with towing ability, and as technology is increasing, so is the performance.

Now, I'm not a person who believes the Nissan and Ford variants with 2.2 litre engines is a long term prospect.
But the good old Isuzu 3.0 litre turbo has been hauling vans all over the world for many years.

My old Nissan x trail ( a 2.5 litre 4 cylinder petrol) capably towed my 1.5 ton plus boat around all over the place, never an issue, never missed a beat.

The real trick is the gearbox.
Newer diesel cars have 6 or mode gears and the autos are all particularly strong.
I just put it in drive and go.
Manual gearboxes are only better in that they do not tend to overheat as much as auto, but a good tranny cooler rectified that.

I have been towing boats and trailers for over 40 years.
If you use the gearbox correctly and drive sensibly, even a 1.5 litre 4 cylinder echo can tow with no problems, within it's limits of course.
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Sprintcyclist
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Re: Using low gears in an auto
Reply #3 - Jun 20th, 2021 at 6:18pm
 
yes, technology has changed

I am becoming more amenable to a higher tech motors. Their advantages far outweigh any concerns.

The new Mitsi 2.4 litre diesel.

http://mmc-manuals.ru/manuals/l200_v/online/Service_Manual/2017/11/html/M2112000...

...

Great torque from 1600 --> 2700 rpm.
It'll rev beautifully, mated with an 8 speed Aisin Auto transmission.
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Re: Using low gears in an auto
Reply #4 - Jun 20th, 2021 at 7:41pm
 
Sprintcyclist wrote on Jun 20th, 2021 at 6:18pm:
yes, technology has changed

I am becoming more amenable to a higher tech motors. Their advantages far outweigh any concerns.

The new Mitsi 2.4 litre diesel.

http://mmc-manuals.ru/manuals/l200_v/online/Service_Manual/2017/11/html/M2112000...

http://mmc-manuals.ru/manuals/l200_v/online/Service_Manual/img/11/ACE03682AB00EN...

Great torque from 1600 --> 2700 rpm.
It'll rev beautifully, mated with an 8 speed Aisin Auto transmission.


Long stroked engines have a high wear component on the thrust side of the cylinder, they also can't rev as hard as a short stroke, the speeding up and slowing down of the reciprocating mass will break it if it spins too fast. The advancement in lubrication is what allows modern engines to be as good as that are. You will get more torque from a long stroke as the power cycle lasts longer and has a greater leverage via the crank throw. No matter the engine it's the lubrication that keeps it alive.
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aquascoot
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Re: Using low gears in an auto
Reply #5 - Jun 20th, 2021 at 8:52pm
 
Sprintcyclist wrote on Jun 20th, 2021 at 6:18pm:
yes, technology has changed

I am becoming more amenable to a higher tech motors. Their advantages far outweigh any concerns.

The new Mitsi 2.4 litre diesel.

http://mmc-manuals.ru/manuals/l200_v/online/Service_Manual/2017/11/html/M2112000...

http://mmc-manuals.ru/manuals/l200_v/online/Service_Manual/img/11/ACE03682AB00EN...

Great torque from 1600 --> 2700 rpm.
It'll rev beautifully, mated with an 8 speed Aisin Auto transmission.



scotty agrees


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Re: Using low gears in an auto
Reply #6 - Jun 21st, 2021 at 10:50am
 
aquascoot wrote on Jun 20th, 2021 at 8:52pm:
Sprintcyclist wrote on Jun 20th, 2021 at 6:18pm:
yes, technology has changed

I am becoming more amenable to a higher tech motors. Their advantages far outweigh any concerns.

The new Mitsi 2.4 litre diesel.

http://mmc-manuals.ru/manuals/l200_v/online/Service_Manual/2017/11/html/M2112000...

http://mmc-manuals.ru/manuals/l200_v/online/Service_Manual/img/11/ACE03682AB00EN...

Great torque from 1600 --> 2700 rpm.
It'll rev beautifully, mated with an 8 speed Aisin Auto transmission.



scotty agrees





But that Mitsubishi-Aisin combination is high tech and new, it must fail under the aqua rules.
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In a time of universal deceit — telling the truth is a revolutionary act.

No evidence whatsoever it can be attributed to George Orwell or Eric Arthur Blair (in fact the same guy)
 
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aquascoot
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Re: Using low gears in an auto
Reply #7 - Jun 21st, 2021 at 11:52am
 
Prime Minister for Canyons wrote on Jun 21st, 2021 at 10:50am:
aquascoot wrote on Jun 20th, 2021 at 8:52pm:
Sprintcyclist wrote on Jun 20th, 2021 at 6:18pm:
yes, technology has changed

I am becoming more amenable to a higher tech motors. Their advantages far outweigh any concerns.

The new Mitsi 2.4 litre diesel.

http://mmc-manuals.ru/manuals/l200_v/online/Service_Manual/2017/11/html/M2112000...

http://mmc-manuals.ru/manuals/l200_v/online/Service_Manual/img/11/ACE03682AB00EN...

Great torque from 1600 --> 2700 rpm.
It'll rev beautifully, mated with an 8 speed Aisin Auto transmission.



scotty agrees





But that Mitsubishi-Aisin combination is high tech and new, it must fail under the aqua rules.



rubbish,

the 2.5 litre turbo diesel in the triton is virtually unchanged since 2010.
i would have said wait a few years in 2010 until they iron out any flaws.
the early ones had a lot of carbonated intakes.
they ironed this out in 2012 and its been reliable ever since.

so you have 10 years of proven technology in a car which is number 10 on the sales figures for oz.

so , yes buy one.
they are proven old school technology with a long model run.

if mistsubishi tried to appeal tio numpties (like you) and brought out  a new engine for 2022 then i would say

wait until they iron out the problems
let numpties like canyons be the guinea pigs.

as for aisin gear boxes.
they are owned by toyota  Roll Eyes Roll Eyes
please find where aquascoot has been anythiong other then supportive of toyota  Roll Eyes
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Re: Using low gears in an auto
Reply #8 - Jun 21st, 2021 at 11:53am
 
the 2.5 litre turbo diesel in the triton is virtually unchanged since 2010.



They must have changed it since its a 2.4
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In a time of universal deceit — telling the truth is a revolutionary act.

No evidence whatsoever it can be attributed to George Orwell or Eric Arthur Blair (in fact the same guy)
 
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Re: Using low gears in an auto
Reply #9 - Jun 21st, 2021 at 11:55am
 
aquascoot wrote on Jun 21st, 2021 at 11:52am:
Prime Minister for Canyons wrote on Jun 21st, 2021 at 10:50am:
aquascoot wrote on Jun 20th, 2021 at 8:52pm:
Sprintcyclist wrote on Jun 20th, 2021 at 6:18pm:
yes, technology has changed

I am becoming more amenable to a higher tech motors. Their advantages far outweigh any concerns.

The new Mitsi 2.4 litre diesel.

http://mmc-manuals.ru/manuals/l200_v/online/Service_Manual/2017/11/html/M2112000...

http://mmc-manuals.ru/manuals/l200_v/online/Service_Manual/img/11/ACE03682AB00EN...

Great torque from 1600 --> 2700 rpm.
It'll rev beautifully, mated with an 8 speed Aisin Auto transmission.



scotty agrees





But that Mitsubishi-Aisin combination is high tech and new, it must fail under the aqua rules.



rubbish,

the 2.5 litre turbo diesel in the triton is virtually unchanged since 2010.
i would have said wait a few years in 2010 until they iron out any flaws.
the early ones had a lot of carbonated intakes.
they ironed this out in 2012 and its been reliable ever since.

so you have 10 years of proven technology in a car which is number 10 on the sales figures for oz.

so , yes buy one.
they are proven old school technology with a long model run.

if mistsubishi tried to appeal tio numpties (like you) and brought out  a new engine for 2022 then i would say

wait until they iron out the problems
let numpties like canyons be the guinea pigs.

as for aisin gear boxes.
they are owned by toyota  Roll Eyes Roll Eyes
please find where aquascoot has been anythiong other then supportive of toyota  Roll Eyes




Its more you crapping on about low tech being better.
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In a time of universal deceit — telling the truth is a revolutionary act.

No evidence whatsoever it can be attributed to George Orwell or Eric Arthur Blair (in fact the same guy)
 
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aquascoot
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Re: Using low gears in an auto
Reply #10 - Jun 21st, 2021 at 12:16pm
 
High technology in motor vehicles is being driven by two factors

Firstly the Europeans have very very strict fuel economy and emission standards and so a lot of extra garbage has to be put on the vehicles to try to meet those standards
Including a lot of recirculating hot exhaust gases which of course heats up the engine even further as well as recirculating particulate matter through the engine and the valves and this makes engines failed earlier

VW admitted this themselves
When they faked their emissions readings to try to get engines approved
Strict standards and engine longevity are not mutually compatible


The second problem is that it is a lot easier and cheaper for the manufacturer is to run as many systems as possible using electronics
This ties the consumer to the manufacturer as the consumer does not have the software
And it also means that expensive computerize systems
As in expensive to work on and replace
Are running things which is to be run reliably through mechanical methods

A computerized system to run the handbrake on an Audi Quattro costs $1,500 to replace when it fails
Previous to that you could buy a length of wire for $3 and fix the handbrake yourself

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Re: Using low gears in an auto
Reply #11 - Jun 21st, 2021 at 12:17pm
 
aquascoot wrote on Jun 21st, 2021 at 12:16pm:
High technology in motor vehicles is being driven by two factors

Firstly the Europeans have very very strict fuel economy and emission standards and so a lot of extra garbage has to be put on the vehicles to try to meet those standards
Including a lot of recirculating hot exhaust gases which of course heats up the engine even further as well as recirculating particulate matter through the engine and the valves and this makes engines failed earlier

VW admitted this themselves
When they faked their emissions readings to try to get engines approved
Strict standards and engine longevity are not mutually compatible


The second problem is that it is a lot easier and cheaper for the manufacturer is to run as many systems as possible using electronics
This ties the consumer to the manufacturer as the consumer does not have the software
And it also means that expensive computerize systems
As in expensive to work on and replace
Are running things which is to be run reliably through mechanical methods

A computerized system to run the handbrake on an Audi Quattro costs $1,500 to replace when it fails
Previous to that you could buy a length of wire for $3 and fix the handbrake yourself




So which is it high tech or low tech.
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In a time of universal deceit — telling the truth is a revolutionary act.

No evidence whatsoever it can be attributed to George Orwell or Eric Arthur Blair (in fact the same guy)
 
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aquascoot
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Re: Using low gears in an auto
Reply #12 - Jun 21st, 2021 at 1:02pm
 
Prime Minister for Canyons wrote on Jun 21st, 2021 at 12:17pm:
aquascoot wrote on Jun 21st, 2021 at 12:16pm:
High technology in motor vehicles is being driven by two factors

Firstly the Europeans have very very strict fuel economy and emission standards and so a lot of extra garbage has to be put on the vehicles to try to meet those standards
Including a lot of recirculating hot exhaust gases which of course heats up the engine even further as well as recirculating particulate matter through the engine and the valves and this makes engines failed earlier

VW admitted this themselves
When they faked their emissions readings to try to get engines approved
Strict standards and engine longevity are not mutually compatible


The second problem is that it is a lot easier and cheaper for the manufacturer is to run as many systems as possible using electronics
This ties the consumer to the manufacturer as the consumer does not have the software
And it also means that expensive computerize systems
As in expensive to work on and replace
Are running things which is to be run reliably through mechanical methods

A computerized system to run the handbrake on an Audi Quattro costs $1,500 to replace when it fails
Previous to that you could buy a length of wire for $3 and fix the handbrake yourself




So which is it high tech or low tech.



low tech....good for a long lasting reliable vehicle that you can service yourself and save money

high tech....good for corporations and governments as you have a vehicle which will require a lot of workers to service the regular breakdowns thus creating a lot of economic activity.  the disposable society is much beloved of corporations and governments .   think of cars now in the way you think of phones.
high tech peices of kit which you cannot work on and which you just junk every 5 years and buy a new one.

not my idea of common sense but good for the unthinking masses like yourself who are impressed by machines that go ping  Roll Eyes Roll Eyes Roll Eyes
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Re: Using low gears in an auto
Reply #13 - Jun 21st, 2021 at 1:13pm
 
Weird then given that by comparison to the stuff you like the Mitsu engine and Aisin tranny are high tech., But hey the one consistency you have aqua is you're inconsistent
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In a time of universal deceit — telling the truth is a revolutionary act.

No evidence whatsoever it can be attributed to George Orwell or Eric Arthur Blair (in fact the same guy)
 
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aquascoot
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Re: Using low gears in an auto
Reply #14 - Jun 21st, 2021 at 1:37pm
 
Prime Minister for Canyons wrote on Jun 21st, 2021 at 1:13pm:
Weird then given that by comparison to the stuff you like the Mitsu engine and Aisin tranny are high tech., But hey the one consistency you have aqua is you're inconsistent



so an engine that is unchanged for over a decade is "novel and high tech"

one thing about you is your arrogant stupidity
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