milage or lack of it

G

Guest

Guest
Hi Guys
Thanks for the info on the diffs, ill try that out later. Now I have another question and its this. For ever I was getting 6 miles to the litre and for the last few tank fulls that i have checked I am only getting 4 miles to the litre. This is a drop of 33% which is very severe. Would it have anything to do with the clock not counting the real mileage any more because of the bigger tyres I put on a while back. I know the bigger tyres will effect the speedo a bit but will it also effect the milage count aswell. Could it be the injectors need cleaning and if so would this sudden drop in miles per litre because of the injectors be normal.
Thanks
John C
92HDJ 80 1HDT Ireland
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G

Guest

Guest
John, changing the tyres for those of a larger diameter will affect your speedometer / mileometer readings and will make them read lower than before. A good way of checking this is if you knew the mileage ( as shown on your LC ) between two places, prior to changing the tyres, you do the same journey, note the difference and calculate the % age change.
This will account for some of your difference.
But ...............
Wider tyres =3D more drag =3D more fuel used.
You have also lifted the vehicle since you last checked things ?
Now you have more air resistance which =3D more fuel used.
Have a look at - Toyota Yaris Diesel !
Gareth Jones.
 
G

Guest

Guest
Hey Gareth
Thanks for all that bad news, is there anything that I can do to this
machine that will not come cback and bite me in the arse at some later date.
I have a couple mountain bikes out the back would it look funny with those
wheels on and also get a lowering kit aswell , that should do the job
nicely. Although when I come over to you lot to go playing in the mud I
might get stuck at the first little puddle, I suppose ill have to live with
it now GRRRRRR.
John C
92HDJ 80 1HDT Ireland
----- Original Message -----
From: "Gareth Jones" <[Email address removed]>
To: <[Email address removed]>
Sent: Friday, September 02, 2005 3:44 PM
Subject: Re: [ELCO] milage or lack of it
John, changing the tyres for those of a larger diameter will affect your
speedometer / mileometer readings and will make them read lower than before.
A good way of checking this is if you knew the mileage ( as shown on your
LC ) between two places, prior to changing the tyres, you do the same
journey, note the difference and calculate the % age change.
This will account for some of your difference.
But ...............
Wider tyres = more drag = more fuel used.
You have also lifted the vehicle since you last checked things ?
Now you have more air resistance which = more fuel used.
Have a look at - Toyota Yaris Diesel !
Gareth Jones.

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G

Guest

Guest
John, I am not saying that the wider tyres and the lift kit are the ONLY reasons for a drop in fuel economy - but they definitely will be contributory factors. If the difference occured only after these changes then I can bet a pound to a penny - or your case a cent to a Euro - where my suspicions lie.
Gareth.
PS - get the bike out of the garden and get pedalling !
 
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G

Guest

Guest
John,
In some instances the larger tyres will aid economy, particularly with
long motorway drives because you will be using lower revs at the sme
speed, although if you are trying to maintain the same acceleration,
etc on normal driving you will be using more juice because the larger
tyres will reduce the acceleration.
--
Regards,
Julian Voelcker
Mobile: 07971 540362
Cirencester, United Kingdom
1994 HDJ80, 2.5" OME Lift
 
G

Guest

Guest
John,
In some instances the larger tyres will aid economy, particularly with
long motorway drives because you will be using lower revs at the sme
speed, although if you are trying to maintain the same acceleration,
etc on normal driving you will be using more juice because the larger
tyres will reduce the acceleration.
--
Regards,
Julian Voelcker
Mobile: 07971 540362
Cirencester, United Kingdom
1994 HDJ80, 2.5" OME Lift
 
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