#1: tyre pressure Author: kizza93, Posted: Sun Dec 23, 2012 1:27 pm ---- what tire pressure should i be using i have low profile tyres 205/40/r17
#2: Re: tyre pressure Author: anton1989, Location: west midlandsPosted: Sun Dec 23, 2012 3:33 pm ---- i use 33
#3: Re: tyre pressure Author: novatron1_2, Location: fifePosted: Sun Dec 23, 2012 4:06 pm ---- have a play using the standard pressure, higher pressures give an increase in handling until a pint when the tyre's contact patch is reduced
#4: Re: tyre pressure Author: LORDPSK, Location: CAERNARFONPosted: Sun Dec 23, 2012 5:42 pm ---- Check with the tyre manufacturer for his recommendations
#5: Re: tyre pressure Author: HDI90, Location: sunny stokePosted: Mon Dec 24, 2012 3:37 am ---- all 206,s are 33
#6: Re: tyre pressure Author: anton1989, Location: west midlandsPosted: Mon Dec 24, 2012 3:59 am ----
HDI90 wrote:
all 206,s are 33
Regardless of wheel size? If you have the standard wheel that come woth the car it says on the car in the door part where the paint code is
#7: Re: tyre pressure Author: 138Andy, Location: NottsPosted: Mon Dec 24, 2012 6:24 am ---- it will say on the wall of the tyre
#8: Re: tyre pressure Author: Mattie-RS, Location: A Track near you ;)Posted: Mon Dec 24, 2012 7:06 am ----
novatron1_2 wrote:
have a play using the standard pressure, higher pressures give an increase in handling until a pint when the tyre's contact patch is reduced
Does it?? Must have been doing it wrong all those times with lower pressure to increase in grip/handling
#9: Re: tyre pressure Author: bezford, Location: darlingtonPosted: Mon Dec 24, 2012 7:13 am ---- 32-34all day long.
#10: Re: tyre pressure Author: Mattie-RS, Location: A Track near you ;)Posted: Mon Dec 24, 2012 8:16 am ---- 23 fronts 25 rears
#11: Re: tyre pressure Author: V9977, Location: Athens, GreecePosted: Mon Dec 24, 2012 9:52 am ---- 72 psi
#12: Re: tyre pressure Author: bezford, Location: darlingtonPosted: Tue Dec 25, 2012 5:35 am ---- Howay stop pixxin about its 32 to 34...sorry for the lack of humour because sayin 25 and 72 must of been a joke..ha ha...not.
#13: Re: tyre pressure Author: Mattie-RS, Location: A Track near you ;)Posted: Tue Dec 25, 2012 9:09 am ----
bezford wrote:
Howay stop pixxin about its 32 to 34...sorry for the lack of humour because sayin 25 and 72 must of been a joke..ha ha...not.
Sorry I must have forgot to laugh, hahahahahaha, No! that's what I actually run
#14: Re: tyre pressure Author: macca1411, Location: Westhoughton, LancashirePosted: Tue Dec 25, 2012 9:57 am ----
138Andy wrote:
it will say on the wall of the tyre
Where? Do all tyre manufacturers make 1 size of tyre to fit 1 make and model of vehicle?
You're getting confused with the maximum pressure marking.
#15: Re: tyre pressure Author: novatron1_2, Location: fifePosted: Thu Dec 27, 2012 5:52 pm ----
Mattie-RS wrote:
novatron1_2 wrote:
have a play using the standard pressure, higher pressures give an increase in handling until a pint when the tyre's contact patch is reduced
Does it?? Must have been doing it wrong all those times with lower pressure to increase in grip/handling
Part of it says:
How does a tuner manipulate tire loading and slip angle? By tweaking the spring rates, anti-roll bar rates, tire sizing and pressure, and to a lesser degree, the shock damping. The first option a tuner has is to increase the tire pressure. The harder a tire is inflated, within reason, the smaller slip angle it develops. In the case of a nose-heavy front-wheel-drive car, if you add several psi to the front tires and take some pressure out of the rear, the front tires will run a smaller slip angle while the rear tires' slip angle will increase. This alone can do quite a bit to reduce understeer.
So it's saying you can make the back 'looser' by running less pressure and make the front grip better by running more pressure.
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