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Author Topic: Tyre pressures  (Read 5824 times)

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JamesV6CDX

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Tyre pressures
« on: 27 February 2007, 23:54:37 »
Just checked mine, and they were a bit out.

Front Passenger: 32psi
Front Driver: 29psi
Rear Passenger: 30psi
Rear Driver: 29psi

Firstly, could this account for any drop in MPG? Can't see it myself, not enough to notice anyway..

Secondly, what is the recommended tyre pressure for the Meega? My tyres are only babies.. 185's.. I have set them all as 33psi for now, but could do with a recommendation..

:)

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HI2DVY

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Re: Tyre pressures
« Reply #1 on: 28 February 2007, 00:26:55 »
According to manual, should be 30psi front and back... unless under load - front 36, rear 42 - for all models except 3.0/3.2.

HTH

Dave
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Re: Tyre pressures
« Reply #2 on: 28 February 2007, 06:41:35 »
I run mine @ 31, just for the hell of it.
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Gaffers

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Re: Tyre pressures
« Reply #3 on: 28 February 2007, 11:34:57 »
Quote
I run mine @ 31, just for the hell of it.

What he said....
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BazMV6

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Re: Tyre pressures
« Reply #4 on: 28 February 2007, 16:15:28 »
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According to manual, should be 30psi front and back... unless under load - front 36, rear 42...

That always struck me as an odd statement... So "under load" I suddenly put another 6lb in the front and 12lb in the back?  At what magic "load" should this happen?  Surely I should gradually increase the pressure depending on the load, up to a maximum when "loaded".  But I can't even start to calculate that without knowing the definition of "load"...  :(

Grumpy old man of Silverstone.
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tunnie

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Re: Tyre pressures
« Reply #5 on: 28 February 2007, 17:00:37 »
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Quote
I run mine @ 31, just for the hell of it.

What he said....

Same here, book says 30.5.

I put them at 31.
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TheBoy

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Re: Tyre pressures
« Reply #6 on: 28 February 2007, 18:51:19 »
I personally run 35 in front and 32 in rear.  This is a result of 1 yr of pressure fiddling...
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Danny

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Re: Tyre pressures
« Reply #7 on: 28 February 2007, 20:09:04 »
my car came with no books, and also, i changed the wheels to elites on 235/45/17s, what should my tyre pressure be? they say on the actual tyre Max 51psi but obviously ya dont go anywhere near!
« Last Edit: 28 February 2007, 20:10:39 by D4NNY »
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TheBoy

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Re: Tyre pressures
« Reply #8 on: 28 February 2007, 20:12:59 »
Quote
my car came with no books, and also, i changed the wheels to elites on 235/45/17s, what should my tyre pressure be? they say on the actual tyre Max 51psi but obviously ya dont go anywhere near!
The 235s on prefacelift MV6 are stated at 32 all round, or 38F and 45R for load...
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Tony H

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Re: Tyre pressures
« Reply #9 on: 28 February 2007, 20:57:25 »
Quote
my car came with no books, and also, i changed the wheels to elites on 235/45/17s, what should my tyre pressure be? they say on the actual tyre Max 51psi but obviously ya dont go anywhere near!
Same size wheels as mine I run them at 32 lbs psi all round
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Chopsdad

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Re: Tyre pressures
« Reply #10 on: 28 February 2007, 22:14:38 »
225/55/16 on mine and book at 30 all round
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Danny

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Re: Tyre pressures
« Reply #11 on: 28 February 2007, 22:40:21 »
i think mine are at 35

i load it up with post bags every mornin anyway, dont know whether that has much of an effect!
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Essex_Andy

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Re: Tyre pressures
« Reply #12 on: 28 February 2007, 22:47:35 »
running stock size 205/65 R 15 and running 32psi all round
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HI2DVY

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Re: Tyre pressures
« Reply #13 on: 28 February 2007, 23:01:57 »
Quote
Quote
According to manual, should be 30psi front and back... unless under load - front 36, rear 42...

That always struck me as an odd statement... So "under load" I suddenly put another 6lb in the front and 12lb in the back?  At what magic "load" should this happen?  Surely I should gradually increase the pressure depending on the load, up to a maximum when "loaded".  But I can't even start to calculate that without knowing the definition of "load"...  :(

Grumpy old man of Silverstone.

"Under load" means carrying 3 or 4 passengers and luggage (according to handbook) or, more accurately, standard tyre pressures are for carrying up to 3 persons. Estate pressure are different again. :y
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Gaffers

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Re: Tyre pressures
« Reply #14 on: 01 March 2007, 07:33:28 »
Quote
I personally run 35 in front and 32 in rear.  This is a result of 1 yr of pressure fiddling...

do you not get any uneven wear @ 35?
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