Well I checked em all last night, 3 were down to 28psi & the front drivers side down to 25 psi !!!
Sorted now, all upto 36psi & the ride feels instantly better !!
Why does your 20p always run out on when your at 30 psi on the last tyre !!!!!!!
Sorted now, all upto 36psi & the ride feels instantly better !!
Why does your 20p always run out on when your at 30 psi on the last tyre !!!!!!!
38/44 certainly isn't blowout material. About 18 months ago I had a set of Eagle F1's fitted to the rear of my M3 at Bracknell Tyres (well known locally, very good indeed). On the way home (to Camberley) the car felt very nervous and loose at the back, just like when the rear trailing arm bush was knackered. I wondered if the bush had been damaged on the lift, but all looked ok when I got it home. Checked the tyre pressures, one side was fine at 36psi, the other side was reading 96psi! I even borrowed my neighbours guage to see if mine had goe stupid, but thats what it was at. I let it down and immediately phoned the tyre place who apologised profusely. It was where they pump it up really hard t o get the bead to seat on the rim properly, then let it down again. I had the wheel & tyre checked, and it suffered no ill effect at all. In fact you need around 300psi to force tyre to burst at standstill but I certainly would not have wanted to do any more miles with mine like that.
I wasn't meaning at a stand still.
A prolonged journey at 70mph or more at 11 psi more than the recommended is just asking for trouble.
Heat in the tyre will cause this to increase further!
A prolonged journey at 70mph or more at 11 psi more than the recommended is just asking for trouble.
Heat in the tyre will cause this to increase further!
This is definately about personal preference
I'm sure tyre manufacters spends thousands developing a tyre with weight and pressure ratings for them all to be wrong.
I'll stick with the 33 i think unless loaded.
I'm sure tyre manufacters spends thousands developing a tyre with weight and pressure ratings for them all to be wrong.
I'll stick with the 33 i think unless loaded.
I was reading the chart at the petrol station, and the tyre pressures for a toledo (Leon wasn't listed !), was 33psi normal & 36psi for load/speed !
I went for the 36i obviously lol
I went for the 36i obviously lol
i.ve just upgraded my wheels and tyres from the 16's to 17's and I am wondering if I still use the tyre pressures in the fuel cap???
cheers
Phil
cheers
Phil
Not sure I agree....mine are stock 225/45-17 and the sticker in the fuel cap says 33 all round (which is what I use) and they are wearing perfectly even.
At 38 psi for any length of time you must surely risk wearing the centre of the tyre out from over-inflation.
OK we had this debate on the audi_sport.net forum a few years ago with S3's.
after a lot of testing by a chap we were running as follows....
For 17" rims on 225/45/17 tyres we went for 33 front and 35 back (33/33 in filler cap)
For 18" rims on 225/40/18 tyres we were running 34 front and 36 back (34/34 in filler cap)
It was found that with a higher back tyre pressure the turn in was better on the car and it felt more stable through corners at high speeds (did this on mine and can verify that with 18" RS4's)
2psi over recommeneded is not gonna hurt, plus you will run 36psi all round if carrying 4 adults and luggage as per chart in filler cap.
after a lot of testing by a chap we were running as follows....
For 17" rims on 225/45/17 tyres we went for 33 front and 35 back (33/33 in filler cap)
For 18" rims on 225/40/18 tyres we were running 34 front and 36 back (34/34 in filler cap)
It was found that with a higher back tyre pressure the turn in was better on the car and it felt more stable through corners at high speeds (did this on mine and can verify that with 18" RS4's)
2psi over recommeneded is not gonna hurt, plus you will run 36psi all round if carrying 4 adults and luggage as per chart in filler cap.
mikecupra
Guest
I use the std 33psi all round,although the fronts for some reason always look a little flat,but check them and are spot on.
Which model is that?
I have a Leon Cupra (02 plate) and my cap says 33 front 32 rear. Just inflated them to that pressure and the car feels much more secure than the 31-32 front and 32 odd at the rear it had before. Suspension is far less crashy too, which in my experience is nearly always a sign of under inflated tyres.
Strictly speaking you should inflate the tyre to the tyre manufactures recommended levels, as they are the ones that have designed the tyre and know which pressures give optimum tyre performance. In some cases these can be significantly different to the ones the car manufacturer will recommend. This is because the car manufacturer is recommending pressures based on the standard fitment make/model of tyre and those are the best pressures for those tyres on the car. Different tyres, particularly those with different sidewall heights, will have different sidewall rigidity and sidewall rigidity forms part of the suspension. OEM suspension is tuned to take in to consideration the sidewall rigidity of the standard fitment tyres with recommended pressures. A tyre with a stiffer sidewall (of the same height as orignal fitment) will usually be able to run lower pressures and vice versa for tyres with more compliant sidewalls.
cuprablue
How interesting - did mine last weekend and all were close (31-32psi) to the normal 33psi I use, except the drivers front which was.................25psi !!!!!
Will keep an eye on this !
Regarding the 44psi inflation, I'm sure there was a guy on here called Cupra-Rog (or sommin like that) used to run near 42psi and swear by it (on his 18" LCR wheels)
And regarding the change of wheels (from16" to 17"), when I changed from 15s to 17s, I then went to the same Cupra-wheel pressure (33psi all-round).
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I generally use 35 on my Tolly all round due I generally do carry people around ad stuff in the boot. Always feel secure and rides well on the std rims.
It is down to personal preference. I used to run 33 on my Rover 214Si which was 30 stock but felt much better at 33 than 30.
It is down to personal preference. I used to run 33 on my Rover 214Si which was 30 stock but felt much better at 33 than 30.
charvel
Guest
my eagle f1's say max of 50 psi! and this site recomends 45 for speed!!!???
http://www.thetyrepressuremonitor.com/tyrepressures_seat.html
http://www.thetyrepressuremonitor.com/tyrepressures_seat.html
I wouldn't ever recommend 45psi, unless you have a full boot, passengers in every seat and are travelling on an Autobahn!
34psi seems to be my favoured pressure, for motorway speed driving and city driving.
The trick is to undo all your caps first before putting the money in
PS LCR is 33 all round.
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