Tyre Pressures ?
03-11-2007, 02:11 PM
#1
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Tyre Pressures ?
Just checked and mine are all different, does anyone know the correct psi for 225/40/18's, ive had a look round the net and found everything from 32 psi - 39 psi for the size.
03-11-2007, 02:16 PM
#2
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Well they are stated in the manual and on the fuel cap, yet they both contradict each other 
Unladen
37 front, give or take
34 rear, give or take
Laden
40 front
41 rear
Thats what I have found best, without sounding gay there is a small difference if the fronts are 38 at the front when unladen. It feels really responsive but I think you may wear the middle of the tyre out a bit too quick.
Unladen
37 front, give or take
34 rear, give or take
Laden
40 front
41 rear
Thats what I have found best, without sounding gay there is a small difference if the fronts are 38 at the front when unladen. It feels really responsive but I think you may wear the middle of the tyre out a bit too quick.
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03-11-2007, 03:45 PM
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Originally Posted by littlebrownbike
Let’s keep the posts relevant to the subject shall we?
In which case, Fiddy set them to 38/34 and see what you think. Adjust accordingly.
In which case, Fiddy set them to 38/34 and see what you think. Adjust accordingly.
Thats will definitely wear tyres out prematurly....
Use your head... drive at that pressure in the rain then drop it to what i recommend and i guarantee your grip will improve.
03-11-2007, 03:55 PM
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Incidentally i've owned a 400hp 4x4 cos for 3 years, 380hp evo 6 for 1.5 years and a BMW M3 for half a year, also driven 30k miles a year in various other cars for the past 8 years and never had a problem... so care to explain how i'll end up in a barrier???
03-11-2007, 03:58 PM
#15
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Wouldnt say 28-30 is dangerous, lol, maybe a bit low, but no fucking way dangerous!
More for track? Other way round if anything IMO as if you check tyre pressure when hot (ie a track caning) its much higher.
Originally Posted by Ollie6RS2
IMO 28-30 psi for road use..... 3-5 more on track.
03-11-2007, 04:02 PM
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Originally Posted by Stavros
Wouldnt say 28-30 is dangerous, lol, maybe a bit low, but no fucking way dangerous!
More for track? Other way round if anything IMO as if you check tyre pressure when hot (ie a track caning) its much higher.
Originally Posted by Ollie6RS2
IMO 28-30 psi for road use..... 3-5 more on track.
30 after the tyres are up to temp is probably right...
Why are mine at 32psi then? Scrap what I said, I now agree with you.
03-11-2007, 04:10 PM
#20
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Ive put 36 in the front, and 35 in the back, tyres arnt over inflated, still some give in them, and it seems to drive ok, so does that seem ' safe ' in everyones opinion ?.
03-11-2007, 04:31 PM
#22
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Originally Posted by Ollie6RS2
I bet they wear in the middle mate.
03-11-2007, 04:33 PM
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Mate keep this up the top and see what everyone else says and not some boy wi a little bike
Seriouly look at what i've owned and i can assure you they all drove perfectly with that pressure...
Seriouly look at what i've owned and i can assure you they all drove perfectly with that pressure...
03-11-2007, 04:56 PM
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Originally Posted by Fiddy UK
Originally Posted by Ollie6RS2
I bet they wear in the middle mate.
03-11-2007, 05:08 PM
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tyre pressures dont go on the size of the wheels or tyres! it goes on the weight of the vehicle! and most of them are differant... normal small car is usually 28-30 and a family sized car is 30-36..
best thing to do is check the owners manual, door way, or filler cap.. usually stickers in these places..
best thing to do is check the owners manual, door way, or filler cap.. usually stickers in these places..
03-11-2007, 06:33 PM
#30
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Originally Posted by ECOS95
Originally Posted by Fiddy UK
Originally Posted by Ollie6RS2
I bet they wear in the middle mate.
03-11-2007, 06:43 PM
#31
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Someone posted this for me on another forum, think it only covers mk1 and mk2 mondys though
http://www.thetyrepressuremonitor.co...ures_ford.html
Could come in handy for others on here though
http://www.thetyrepressuremonitor.co...ures_ford.html
Could come in handy for others on here though
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