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#1 | ||
Regular Member
Join Date: May 2016
Posts: 255
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What tyre pressure are you using in your focus lz sport?
I have currently been using 33psi and have found some extra wear on the outside of the fronts that would indicate under inflated. Tyres rotated at service intervals,33000klms travelled. Mainly highway use above 110klms an hour (highway use greater than 70%) Single person driving with no extra weight except a small esky less than 15kg located in the hatch behind the rear seats. Full tank of fuel topped up to full every Thursday afternoon. Distance traveled weekly approx 500klms. The placard in the door states 31psi. |
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#2 | |||
Sprinting Everywhere!
Join Date: Jun 2012
Location: Sydney
Posts: 706
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#3 | ||
Regular Member
Join Date: May 2016
Posts: 255
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I was thinking of going that high in psi but the tyres are smaller than my mustang and I've just gone to 39 psi in them.
Question now is does the tyre size /weight/speed and of course driving style(being a to and from work vehicle I normally leave the driving to cruise control and drive mode instead of sport and my right foot) come into play? I've increased pressure to 35psi ,but I really want to go closer to 40psi,but I don't want a detrimental side effect in doing so. I personally think higher than 35 psi is going to be the go but I realise others owning the same combination of vehicle have already done the math on this,and I would like to be the dumbass on this and follow what others have found. |
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#4 | ||
Regular Member
Join Date: Feb 2017
Posts: 30
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Just wondering why everyone here is running such high pressures, I have an lw2 Sport running 215 50 17's and the recommended pressure is only 31psi with 1 or 2 people on board which is normal for us.
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#5 | ||
Regular Member
Join Date: May 2016
Posts: 255
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It's got to do mainly with the front outside and inner edge wear,and to get the most kilometres out of them.of course a lower psi is going to give a superior ride,but it's the perfect trade between the two is what some people are after,but in my case the roads I travel are in above average condition so I'm looking for the best psi for maximum tyre life/Kim's.
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#6 | ||
Regular Member
Join Date: Oct 2015
Posts: 260
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I can't speak for for people with lower profile tyres (50 or below), but I generally run 36 front, 34 rear on my LZ Focus with 205/60 x 16 rubber. I have fairly even wear and have not rotated my tyres; I've done over 30,000km.
However, I think 31psi is too low and I would probably suggest pumping the pressure up to at least 34psi all round. Unless you're going to check your tyre pressures every couple of days or so, you need to allow some buffer between tyre pressure checks to avoid under-inflation. Under-inflation can cause your tyre walls to flex more and heat up possibly leading to a nasty surprise at highway speeds. Don't go by the tyre placard either. Go with the tyre manufacturers recommended pressures to be certain. |
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#7 | ||
FF.Com.Au Hardcore
Join Date: Dec 2009
Posts: 3,476
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I run 34-36 on my Focus with 205/60/16. Still on the original Michelin tyres at 52000 replacing at 54/55000.
I found 31 was a bit too floaty on the corrugated concrete road called the M1 here on the Gold Coast, at 34-36 it tends to sit higher and float (not the right expression) over the corrugations (made by 68 tonne b doubles) . |
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