Motoring Discussion > Increasing tyre pressures by 20% for economy??? Miscellaneous
Thread Author: Jacks Replies: 39
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New Mon 26 Apr 10 14:46 
 Increasing tyre pressures by 20% for economy??? - Jacks
I've recently taken delivery of a new Volvo S40 2.0D, reading through the handbook the recommended advice given for tyre pressures is as follows:

normal 30psi (front and rear)
max load 36 psi
ECO 36 psi *

*when speeds are not expected to exceed 160 KPH it is recommended that the max load pressures are maintained for all normal usage. This will give the optimun fuel economy.
unquote


So Volvo are recommending a 20% increase over "normal" pressures for economy purposes.

Any thoughts? Should I do this, and will the handling be affected - or the safety?


The tyres fitted - by the way - are normal 205/55 x 16 Continental Premium Contacts, ie not runflats and when I checked the pressures after taking delivery they were set to 30psi.



Jacks



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 Messages Author Date
 Increasing tyre pressures by 20% for ec.. new Jacks 26 Apr 10 14:46
 Increasing tyre pressures by 20% for econ.. new idle_chatterer 26 Apr 10 15:28
 Increasing tyre pressures by 20% for econ.. new Old Sock 26 Apr 10 16:23
 Increasing tyre pressures by 20% for eco.. new Zero 26 Apr 10 16:43
 Increasing tyre pressures by 20% for ec.. new Old Navy 26 Apr 10 17:06
 Increasing tyre pressures by 20% for ec.. new Number_Cruncher 26 Apr 10 17:08
 Increasing tyre pressures by 20% for e.. new Zero 26 Apr 10 17:31
 Increasing tyre pressures by 20% for.. new Old Sock 26 Apr 10 17:36
 Increasing tyre pressures by 20% fo.. new Zero 26 Apr 10 17:45
 Increasing tyre pressures by 20% f.. new Tigger 26 Apr 10 17:49
 Increasing tyre pressures by 20% .. new Zero 26 Apr 10 18:01
 Increasing tyre pressures by 20%.. new Runfer D'Hills 26 Apr 10 18:26
 Increasing tyre pressures by 2.. new Boxsterboy 27 Apr 10 12:41
 Increasing tyre pressures by 20% for.. new Number_Cruncher 26 Apr 10 19:20
 Increasing tyre pressures by 20% fo.. new Lygonos 27 Apr 10 02:27
 Increasing tyre pressures by 20% f.. new idle_chatterer 27 Apr 10 12:07
 Increasing tyre pressures by 20% for eco.. new mikeyb 27 Apr 10 18:57
 Increasing tyre pressures by 20% for econ.. new FotheringtonTomas 27 Apr 10 13:02
 Increasing tyre pressures by 20% for eco.. new Dr_Rubber 27 Apr 10 13:18
 Increasing tyre pressures by 20% for ec.. new Lygonos 27 Apr 10 14:55
 Increasing tyre pressures by 20% for e.. new Jacks 27 Apr 10 15:44
 Increasing tyre pressures by 20% for.. new Oldgit 27 Apr 10 16:17
 Increasing tyre pressures by 20% for.. new Old Navy 1 May 10 09:21
 Increasing tyre pressures by 20% for ec.. new FotheringtonTomas 27 Apr 10 16:18
 Increasing tyre pressures by 20% for e.. new Oldgit 27 Apr 10 19:03
 Increasing tyre pressures by 20% for e.. new tyro 27 Apr 10 19:17
 Increasing tyre pressures by 20% for.. new Armel Coussine 27 Apr 10 19:26
 Increasing tyre pressures by 20% fo.. new Brentus 27 Apr 10 23:23
 Increasing tyre pressures by 20% f.. new Number_Cruncher 28 Apr 10 00:28
 Increasing tyre pressures by 20% .. new Dr_Rubber 28 Apr 10 19:50
 Increasing tyre pressures by 20%.. new Cpt. Flack 1 May 10 00:15
 Increasing tyre pressures by 20% for econ.. new L'escargot 1 May 10 07:24
 Increasing tyre pressures by 20% for eco.. new Iffy 1 May 10 08:07
 Increasing tyre pressures by 20% for ec.. new L'escargot 1 May 10 09:38
 Increasing tyre pressures by 20% for ec.. new Jacks 1 May 10 11:58
 Increasing tyre pressures by 20% for e.. new Iffy 1 May 10 12:40
 Increasing tyre pressures by 20% for eco.. new Baz 1 May 10 08:11
 Increasing tyre pressures by 20% for ec.. new Hard Cheese 3 May 10 08:07
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