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 Spare tire. do u remove or leave in boot?, for better fuel consumption

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6UE5T
post Oct 17 2016, 11:28 PM

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QUOTE(jwrx @ Oct 17 2016, 11:22 PM)
there are alot of ppl making fun of you...but its something i do too. I removed spare tire,head rests, etc all unnecessary weight, combined total was 30+kg

cos i dont plan to change tire by the side of a busy highway, too risky, nowadays all insurance offer free 24/7 towing.

Modern cars all have TPMS, last 3 times i got puncture, TPMS allowed me to easily get to a workshop b4 it went flat. For all the ppl telling you to keep spare in case of emergencies, i bet most of them dont know where thier jack is located...or where the lock nut is...or how to change a spare.
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I also suspect the same, that's why I mentioned in my post above as well. laugh.gif


jwrx
post Oct 17 2016, 11:37 PM

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QUOTE(6UE5T @ Oct 17 2016, 11:28 PM)
I also suspect the same, that's why I mentioned in my post above as well.  laugh.gif
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its a malaysian thing....you look at how bad condition of the normal 4 tires is, you already know the spare in the boot has never been inflated in years, or checked for condition.

Also ppl dun realise that a normal person is no way strong enuff to fit a spare into a SUV like a HRV or CRV etc...and yet..thats what many women drive. A spare would be useless.
Ginny88
post Oct 18 2016, 07:31 AM

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QUOTE(jwrx @ Oct 17 2016, 11:37 PM)
its a malaysian thing....you look at how bad condition of the normal 4 tires is, you already know the spare in the boot has never been inflated in years, or checked for condition.

Also ppl dun realise that a normal person is no way strong enuff to fit a spare into a SUV like a HRV or CRV etc...and yet..thats what many women drive. A spare would be useless.
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No it isn't useless. If you can't change the spare yourself you can call for assistance to help. Some of the highway patrol units are quite helpful. If you don't have a spare you need a tow which is a whole different cost to solve a simple problem.

jwrx
post Oct 18 2016, 08:27 AM

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QUOTE(Ginny88 @ Oct 18 2016, 07:31 AM)
No it isn't useless. If you can't change the spare yourself you can call for assistance to help. Some of the highway patrol units are quite helpful. If you don't have a spare you need a tow which is a whole different cost to solve a simple problem.
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see my comment re condition of spare tire for majority of malaysians. I have called alliance towing twice last 3 years for battery issue, both times, a tow truck reached me under 20min, im ok with response time like that. (foc as well)

Anyway, its moot point for me, i havent owned a car that comes with a spare in 8 years.....since my scirocco back in 2007
linkin182
post Oct 18 2016, 09:53 AM

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QUOTE(jwrx @ Oct 18 2016, 08:27 AM)
see my comment re condition of spare tire for majority of malaysians. I have called alliance towing twice last 3 years for battery issue, both times, a tow truck reached me under 20min, im ok with response time like that. (foc as well) 

Anyway, its moot point for me, i havent owned a car that comes with a spare in  8 years.....since my scirocco back in 2007
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Alliance or Allianz? I didn't know a bank offers free towing service.

Interested in the free towing service, do enlighten us.
jwrx
post Oct 18 2016, 09:55 AM

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QUOTE(linkin182 @ Oct 18 2016, 09:53 AM)
Alliance or Allianz? I didn't know a bank offers free towing service.

Interested in the free towing service, do enlighten us.
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allianz, almost every single insurance provider now provides 24/7, no question asked free towing, as part of a full comprehensive insurance package

i find the allianz service very professional....u call, they pick up within 2 rings, they confirm your location, and they will call you back to give ETA of tow truck...you will also receive a SMS with tow truk ETA and license plate within a few min

part of the reason AAM is dying...they cant really compete, why pay extra for AAM membership

This post has been edited by jwrx: Oct 18 2016, 09:57 AM
linkin182
post Oct 18 2016, 09:59 AM

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QUOTE(jwrx @ Oct 18 2016, 09:55 AM)
allianz, almost every single insurance provider now provides 24/7, no question asked free towing, as part of a full comprehensive insurance package

i find the allianz service very professional....u call, they pick up within 2 rings, they confirm your location, and they will call you back to give ETA of tow truck...you will also receive a SMS with tow truk ETA and license plate within a few min

part of the reason AAM is dying...they cant really compete, why pay extra for AAM membership
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Good stuff icon_rolleyes.gif
lsm1991
post Oct 18 2016, 10:05 AM

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QUOTE(jwrx @ Oct 17 2016, 11:37 PM)
its a malaysian thing....you look at how bad condition of the normal 4 tires is, you already know the spare in the boot has never been inflated in years, or checked for condition.

Also ppl dun realise that a normal person is no way strong enuff to fit a spare into a SUV like a HRV or CRV etc...and yet..thats what many women drive. A spare would be useless.
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lol, this is actually very true.
someone told me that he almost died changing the tyre on his kimchi suv. The rims are way way too heavy. He got a shock when asked the sc about the rims and were told those were 'lightweights'.... i guess their definition of lightweights were very diferent from ours.
:3mushy:3
post Oct 18 2016, 10:09 AM

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TS, I suggest you to go on diet, leave the spare tyre where it belongs.
xemoboyx
post Oct 18 2016, 07:00 PM

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QUOTE(jwrx @ Oct 17 2016, 11:22 PM)
there are alot of ppl making fun of you...but its something i do too. I removed spare tire,head rests, etc all unnecessary weight, combined total was 30+kg

cos i dont plan to change tire by the side of a busy highway, too risky, nowadays all insurance offer free 24/7 towing.

most modern cars all have TPMS, last 3 times i got puncture, TPMS allowed me to easily get to a workshop b4 it went flat. For all the ppl telling you to keep spare in case of emergencies, i bet most of them dont know where thier jack is located...or where the lock nut is...or how to change a spare. 

im a old fart that come from a generation of drivers where we had no choice, we had to know how to change tires, cos no such thing as easy towing, and way before the days of PLUS RONDA. So i can safely say majority of young farts nowadays, have no idea how much torque it takes to loosen lug nuts, if you have never done it before
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30kg in weight makes no difference to the fuel consumption. I think you will gain more from wiper delete, spoiler delete and pizza pan wheel covers... Seriously.

Calling a tow truck for a flat is just too much. I'm not sure about you, everyone that went through driving lesson have to go trough the tire changing lesson. So how, can someone say they don't know how to change a spare? Even the car manual has a comprehensive guide on how to change a spare.

Tpms I agree, you can monitor your pressure and if one tire is giving funny signals, you know it's time to check. But knowing how many cars in Malaysia without Tpms, running without a spare is just stupid.
jwrx
post Oct 18 2016, 07:16 PM

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QUOTE(xemoboyx @ Oct 18 2016, 07:00 PM)
30kg in weight makes no difference to the fuel consumption.
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of course it does, every kg off your vehicle helps. A Myvi is only 980kg, 30 kg is almost 5% weight reduction.

http://www.autoblog.com/2009/10/29/greenli...les-efficiency/



xemoboyx
post Oct 18 2016, 07:35 PM

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QUOTE(jwrx @ Oct 18 2016, 07:16 PM)
of course it does, every kg off your vehicle helps. A Myvi is only 980kg, 30 kg is almost 5% weight reduction.

http://www.autoblog.com/2009/10/29/greenli...les-efficiency/
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it actually depends... for stop and go traffic, weight plays an important factor, but for highway travel, it doesn't make a mere difference, aero mod would make more difference.

again, its 30kg.

980kg is dry weight, what about wet weight? why not just pump rm10 of fuel just to maximize each km-weight ratio?

This post has been edited by xemoboyx: Oct 18 2016, 07:37 PM
LemonKnight
post Oct 18 2016, 07:58 PM

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QUOTE(jwrx @ Oct 18 2016, 07:16 PM)
of course it does, every kg off your vehicle helps. A Myvi is only 980kg, 30 kg is almost 5% weight reduction.

http://www.autoblog.com/2009/10/29/greenli...les-efficiency/
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Hold up, I don't think a Myvi's spare tyre and kit weigh more than 30kg. They should be a lot lighter than that.
jwrx
post Oct 18 2016, 09:05 PM

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QUOTE(xemoboyx @ Oct 18 2016, 07:35 PM)
it actually depends... for stop and go traffic, weight plays an important factor, but for highway travel, it doesn't make a mere difference, aero mod would make more difference.

again, its 30kg.

980kg is dry weight, what about wet weight? why not just pump rm10 of fuel just to maximize each km-weight ratio?
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thats where you are wrong, weight makes the most difference at highway speeds. weight reduction is a fun and fulfilling hobby for some, spare tire is just the easy part, followed by lightweight sport batteries, forged rims, carbon fibre hood/trunk, lighter suspension components etc.

FC is just 1 benefit of weight reduction...the car handles better, takes off faster, less wear and tear on tires and components

No one is forcing you to do it, just making ppl aware that there are ppl who do it, and its not 'silly'.

Look at BMW //M and Porsche lightweight offerings, GTS and GT3 etc...they charge alot of money for 50-80kg of weight savings.

This post has been edited by jwrx: Oct 18 2016, 09:08 PM
jwrx
post Oct 18 2016, 09:06 PM

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QUOTE(LemonKnight @ Oct 18 2016, 07:58 PM)
Hold up, I don't think a Myvi's spare tyre and kit weigh more than 30kg. They should be a lot lighter than that.
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the 30kg i mentioned was for my car, but for a myvi, its not difficult to find 30kg in weight savings
19 Degree South
post Oct 18 2016, 09:40 PM

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QUOTE(xemoboyx @ Oct 18 2016, 07:35 PM)
i

980kg is dry weight, what about wet weight? why not just pump rm10 of fuel just to maximize each km-weight ratio?
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6UE5T
post Oct 18 2016, 11:13 PM

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QUOTE(xemoboyx @ Oct 18 2016, 07:00 PM)
30kg in weight makes no difference to the fuel consumption. I think you will gain more from wiper delete, spoiler delete and pizza pan wheel covers...  Seriously. 

Calling a tow truck for a flat is just too much. I'm not sure about you, everyone that went through driving lesson have to go trough the tire changing lesson.  So how, can someone say they don't know how to change a spare? Even the car manual has a comprehensive guide on how  to change a spare.

Tpms I agree, you can monitor your pressure and if one tire is giving funny signals, you know it's time to check.  But knowing how many cars in Malaysia without Tpms, running without a spare is just stupid.
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Well you'll be surprised! laugh.gif People can understand the theory but can they REALLY do it?? Do most people also really know the proper technique to maximize their strength when loosening up a very tight lug nut without ruining it using the standard tool provided (which is normally the case coz most are tighten using impact gun)?? That's not told in the manual I believe. brows.gif Even if it's taught somewhere, again can they really do it, or have they tried it?? I think many don't know and/or don't bother to try it and when comes time that they have a flat and they really need to do it, end up many cannot do it! doh.gif
jimmy_grimble
post Oct 18 2016, 11:20 PM

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tyre left at home is not spare tyre ady. Spare tyre must stay with the car. doh.gif
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post Oct 19 2016, 12:31 AM

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QUOTE(6UE5T @ Oct 17 2016, 11:13 PM)
All the comments above are true that rather than havign a risk of getting stranded if you have a puncture then carry a spare. Want to save fuel or improve performance, then lighten somewhere else for example not to fuel up to the max, say reduce by 15-20ltrs to compensate the spare tire weight.

However, make sure that you all know how to change tire, ensure the spare tire is still inflated enough, know the proper technique to maximize your power to loosen up the lug nuts, and the tire lug nuts are not over tightened by the shops impact gun! How many of you can ensure all those so that you will 100% be able to change to spare? I'm quite sure many very rarely check your spare if at all, and most never tell or keep an eye on the shops when they tighten up your rims. If you don't then no point carrying a spare tire coz that means it will be useless anyway when you need it!  laugh.gif  For me, it's even a better idea if you also carry an electric pump to plug into the cigarette lighter in case you somehow cannot replace with your spare for one of the reason above.
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Some agreed and some disagreed: my pov is that, throughout my driving experience in MY roads (for road conditions at my frequent places), I do not face much problem with punctured tyres. I have managed to change spare tyres few times in overseas. It is suggested that new car and lady owners to have tyre changing drill during weekend before facing the challenging roads. Frankly speaking, it is not an easy chore. Like mentioned above, try to change tyre yourself and you will discover that most of the tyre shop will overtorque those tyre nuts! And prepare an extension to be able to remove these overtorqued nuts (using fulcrum principle) and it is really not easy, even for a guy like me! Currently, I do plan to remove the spare tyre as I do carry quite a lot of work related stuffs and feel that it is really redundant. I have an inflator which I use during emergency. Furthermore, most of the people I asked they will struggle till next tyre shop available and calling a tow is easy nowadays.
Ginny88
post Oct 19 2016, 11:19 AM

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Even though it can be hard to change a tyre I will still leave it in the car. Going through some difficulty changing a tyre is better than calling a tow truck. You may be able to get some help from your passengers, passer-bys, or call for help. The FC saved is probably inconsequential and not worth storing the tyre in your house. Check your tyre pressure regularly as under inflated tyres have a significant impact on FC.

It's a good idea to keep a 12V tyre inflator in your car. You may be able to pump up a flat tyre sufficiently for you to make it to the nearest tyre shop. However if the puncture is severe and the air is lost quickly it is probably no help. If the air has been leaking out slowly without your knowledge this can be a life saver.

If you get a flat at night forget about changing it unless you are in a safe area. You can still drive on a flat tyre slowly until you reach a safe area like a petrol station. Your tyre may be damaged beyond repair but better to give up one tyre than risk being robbed. If you are far from anywhere like on a highway stay in your car and call a tow truck.


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