Big wheels

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Big wheels

Postby sandancer » 25 Aug 2017, 18:29

Hi I'v put bigger tyres on the back of my t3, 205 r 16 ,
It seems to be easier on the engine driving it around town
Not that over reving on the engine .
Up and down little hills in south shields
And using the Sat nav for the speed as there is quite a bit of difference from the Speedo
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Re: Big wheels

Postby Mocki » 25 Aug 2017, 19:11

sandancer wrote:Hi I'v put bigger tyres on the back of my t3, 205 r 16 ,
It seems to be easier on the engine driving it around town
Not that over reving on the engine .
Up and down little hills in south shields
And using the Sat nav for the speed as there is quite a bit of difference from the Speedo


Unless you have also changed the front wheels , it will have made no difference to the speedo , unless it's a syncro
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Re: Big wheels

Postby Goldfeesh » 25 Aug 2017, 20:59

Bigger tyres at the back will make it easier on the engine though!
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Re: Big wheels

Postby sandancer » 26 Aug 2017, 20:43

I was told by a friend and my m.o.t. mechanic it would be better for the engine and it would be like having a5 speed gearbox in my t3 .
I know the Speedo will be out with bigger wheels on it because it has happened on my mk1 caddy .
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Re: Big wheels

Postby chewbacca » 26 Aug 2017, 22:11

On the caddy the speedo cable is on the gearbox.
T25 it picks up from the front wheels dude.
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Re: Big wheels

Postby scottbott » 27 Aug 2017, 08:37

I have 225-55-16 tyres on around and my speedo 'reads' 2 miles too fast according to my satnav
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Re: Big wheels

Postby bat » 27 Aug 2017, 09:17

Currently running 235 -70 -16
Speedo is approximately 15% slower according to the satnav (soon to be fixed :D )
Remember it will be a % not a fixed amount.

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http://www.thebeast.blog/ Sheila's & Gary’s long term project a 1988 RHD diesel syncro camper van.
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Re: Big wheels

Postby sandancer » 28 Aug 2017, 21:15

I talking about the actual of t3 ,
I use the Sat Nov because my Speedo is not working
The Speedo jumps up and down
Sorry I did not explain myself properly
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Re: Big wheels

Postby dogbreath100 » 29 Aug 2017, 15:30

What happens if you' get a puncture .
Would it be ok to have 2 different size tyres on the rear .
Or would you carry 2 spare wheels :D
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Re: Big wheels

Postby clift_d » 29 Aug 2017, 15:37

205r16 is quite a bit bigger than the standard tyre size - unless you've fitted a much more powerful engine in your van I'm guessing you're going to be struggling on larger hills.
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Re: Big wheels

Postby sandancer » 03 Sep 2017, 11:52

clift_d wrote:205r16 is quite a bit bigger than the standard tyre size - unless you've fitted a much more powerful engine in your van I'm guessing you're going to be struggling on larger hills.


Yes you are right, I went up to Stanley the other night and It did struggle, but It used to struggle anyway, it drives so much better on the flat, but it does take time to get up to speed, it was a lot faster, it cruises at 55-58 where are before the engine was screaming at 50, pro's and con's I suppose. But what else could I do without changing the engine and or gearbox.
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Re: Big wheels

Postby sandancer » 03 Sep 2017, 11:55

dogbreath100 wrote:What happens if you' get a puncture .
Would it be ok to have 2 different size tyres on the rear .
Or would you carry 2 spare wheels :D


I am only carrying one spare wheel for the front and hoping I never get a puncture on the back,
if I do I will be driving home slowly
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Re: Big wheels

Postby multisi » 03 Sep 2017, 12:35

Whats the side wall height of the tyres you have on the rear ?
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Re: Big wheels

Postby Domino » 03 Sep 2017, 15:44

sandancer wrote:
dogbreath100 wrote:What happens if you' get a puncture .
Would it be ok to have 2 different size tyres on the rear .
Or would you carry 2 spare wheels :D


I am only carrying one spare wheel for the front and hoping I never get a puncture on the back,
if I do I will be driving home slowly



couple of can of tyre weld might help in a sticky situation if its not to bad of a puncher :ok
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Re: Big wheels

Postby slowcoach » 03 Sep 2017, 16:37

You can have different sizes of tyres on the back, the differential will take care of the mismatch, as it does when you go round a corner. You'd get to a tyre place to fix it anyway- wouldn't drive a long way like that though.. Think lots of people carry a stock size as a spare..
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