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Tyre Pressures
PhilSkill
 

Posts: 3,880
Joined: Jun 2011
Location: Warwickshire
Post: #11
RE: Tyre Pressures

(17-03-2014 09:13am)Silver Fox Wrote:  They quote a higher PSI for front,which presumably is to accommodate engine/gearbox weight.

Is this correct as this is the first time that I have used only one set of tyre pressures when loaded and towing etc.,

Yes, especially with Diesel engined cars the axle weights differ and the inflation will be different. Road cars generally have their tyre pressures set to produce the most even contact patch and wear rate rather than best performance or cornering grip. So more weight means higher inflation to keep the tread area flat.

MY12 Fuji Dynamic SD4 Manual, Pano Roof, Electric Tailgate with own Close module
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17-03-2014 03:10pm
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HeartbreakRidge
 

Posts: 217
Joined: Oct 2013
Location: Ohio, USA
Post: #12
RE: Tyre Pressures

Thanks to XFullFatTim finding the new 2014 menu item with numerical tire pressure data, I checked yesterday, and the fronts AND rears were both at 38 psi (not 38/32 as the manual suggests for the 19 inch wheels).

So what *is* the primary effect of rears being above spec in this instance?

MY2014 Pure Plus, Firenze Red, Lunar/Cirrus interior, Climate Care & Vision Assist packages
Built: March 10, 2014 / Delivery Date (three weeks early!): March 26, 2014
(This post was last modified: 03-04-2014 02:03pm by HeartbreakRidge.)
03-04-2014 02:02pm
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XFullFatTim
Bat wielding forum enforcer

Posts: 9,295
Joined: Oct 2010
Location: Somewhere between here and there.
Post: #13
RE: Tyre Pressures

Less tyre wear and a harder ride!

A Pangea Green New Defender 110 First Edition is now sitting on my drive alongside British Racing Green Electric Mini Cooper SE Level 3. After 21 years in my hands my TDI300 90 was handed on to the next custodian on 15 July 2022.
03-04-2014 06:59pm
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Stadt Panzer
 

Posts: 814
Joined: Jan 2012
Location: Germany
Post: #14
Tyre Pressures

Wear in the centre of the tyre will be greater then the rest.

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03-04-2014 07:00pm
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HeartbreakRidge
 

Posts: 217
Joined: Oct 2013
Location: Ohio, USA
Post: #15
RE: Tyre Pressures

Ah ok. Thanks.

MY2014 Pure Plus, Firenze Red, Lunar/Cirrus interior, Climate Care & Vision Assist packages
Built: March 10, 2014 / Delivery Date (three weeks early!): March 26, 2014
03-04-2014 07:03pm
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