Trye pressure
- Thread starter outland
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KarelP38
Active Member
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- Cape Town, South Africa
Hi
RTFM.
I'm sure you will find it in the manual. I will have a look later in mine and post it.
RTFM.
I'm sure you will find it in the manual. I will have a look later in mine and post it.
Derek Ward
Active Member
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I've always wondered about those pressures as they're the same for 1 person or 5 persons plus luggage and 6 dogs with a top box towing a trailer. Did they make them that way so one wouldn't have to dirty ones fingers adjusting the pressures for different situations? I get my man to do it of course 
but surely they can be a lot softer than the 28/38 when you only have one or two people in there? Anyone out there experimented with this?
but surely they can be a lot softer than the 28/38 when you only have one or two people in there? Anyone out there experimented with this?
zzr1200
Well-Known Member
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Front...28psi.....Rear....38psi....
l've never had a problem except when l allowed them to become lower, the tail started to wag the dog while towing.............:doh:.....:behindsofa:
l've never had a problem except when l allowed them to become lower, the tail started to wag the dog while towing......
.......:doh:.....:behindsofa:
Last edited:
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- 1,205
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- The Flat lands of Cambridgeshire
reckon mine are 36- 38 ish
towed home a P38 on a trailer no dramas
i have 235/70 x 16
towed home a P38 on a trailer no dramas
i have 235/70 x 16
Derek Ward
Active Member
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- 798
On further investigation, the figures from Rave show for a 4.6 auto:
kerb weight 2220kg
Front axle weight 1165kg
Rear axle weight 1055kg
Yet the normal tyre pressures are 10psi less in the front......
However, add 3 fat bastards in the back at 100kg each plus 300kg of luggage plus 100kg of trailer noseweight and you then have (with two fb's in the front:
Front axle weight 1365kg
Rear axle weight 1755kg
Then the 28/38 pressures start to look a little more sensible.
As 90% of the time there's only me and t'other half in the car, I think I feel a twiddling session coming on when I get home......
kerb weight 2220kg
Front axle weight 1165kg
Rear axle weight 1055kg
Yet the normal tyre pressures are 10psi less in the front......
However, add 3 fat bastards in the back at 100kg each plus 300kg of luggage plus 100kg of trailer noseweight and you then have (with two fb's in the front:
Front axle weight 1365kg
Rear axle weight 1755kg
Then the 28/38 pressures start to look a little more sensible.
As 90% of the time there's only me and t'other half in the car, I think I feel a twiddling session coming on when I get home......
i was think in something like 30 -30psi just for the every day drive around town ans highway
26 at front is to low the car look like a fish boat. 36 ate rear without weight get to jumpy for road bumbs.:crazy:
let also not forgot that Mpg and tyre tread life are very related to this point..
26 at front is to low the car look like a fish boat. 36 ate rear without weight get to jumpy for road bumbs.:crazy:
let also not forgot that Mpg and tyre tread life are very related to this point..
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i had 30-35 on me 235/75r16s. Less when offroad
Well on my ex gaylander td4 that kind of pressure would definitely put me on the other side of the road cornering.
Jay-4.6HSE
New Member
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- Derby
I don't suppose anyone has the pressures for 275/45/20's.
With the car on the level the tyres look right with 38psi all round but I’m not sure if that's correct?
Thanks
With the car on the level the tyres look right with 38psi all round but I’m not sure if that's correct?
Thanks
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- Embasinga stocæ
do the chalk test.
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- Hornchurch
sounds a bit high but i wouldnt really know.Bloke i used to work with run his frontera on 19 psi cos the book sed so.Waste of petrol that was.
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