Tyre Pressures

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FP2022F1T
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Joined: Sun Jun 12, 2022 8:41 am
Location: Northampton

Post by FP2022F1T »

Hi

Just wondering what the tyre pressures should be set at on my ST when cold

Think from looking at the door card should be 32psi front 26psi back is that correct?

Thanks

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ST Performance Grey Matter (Performance Pack / Drivers Assistance Pack / Dark Wheels & Power Tailgate)

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Sparks
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Post by Sparks »

Yes, with no load. I think the lower one is maximum, at least that's how I've always read them.
Ford Puma ST-Line Vignale 155 Automatic.
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Previous Puma ST-Line X First Edition.
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DickDastardly
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Post by DickDastardly »

Sparks wrote: Tue Jul 26, 2022 9:51 am Yes, with no load. I think the lower one is maximum, at least that's how I've always read them.
The upper and the lower figures relate to the speed

V <= 100mph

V > 100mph

Unless you're tracking it then go for the smaller value
Last edited by DickDastardly on Wed Jul 27, 2022 5:18 pm, edited 1 time in total.
ST Line X 155, Desert Island Blue. Ordered 31/12/21, delivered 23/05/22
Rays1
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Post by Rays1 »

Best setting I have found for the ST is 34psi on the Front & 29psi on the rear. Norma! Load.
Can make a difference on how the car handles and affect tyre wear when set to high or to low.
Experiment within the specified range.
Don't rely on the 'on screen' read out... Adjust pressures manually when tyres are cold using a good external gauge.
...and don't forget the OAT (outside air temperature) affects pressures.
Deleted User 762

Post by Deleted User 762 »

I have 33 at the front and 31 at the back and get around 43.2mpg in Sport Mode.
Car feels nice, drives superbly
FP2022F1T
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Location: Northampton

Post by FP2022F1T »

Rays1 wrote: Wed Jul 27, 2022 5:12 pm Best setting I have found for the ST is 34psi on the Front & 29psi on the rear. Norma! Load.
Can make a difference on how the car handles and affect tyre wear when set to high or to low.
Experiment within the specified range.
Don't rely on the 'on screen' read out... Adjust pressures manually when tyres are cold using a good external gauge.
...and don't forget the OAT (outside air temperature) affects pressures.
The lower psi at rear is better ride for passengers and I have mine set at door card always have on all my cars, the wear is even and notice the ST feels to me better over the terrible roads around where I live

The mk8 Fiesta is 30 front 26 back and on a recent trip got avge 67mph and a lovely ride
ST Performance Grey Matter (Performance Pack / Drivers Assistance Pack / Dark Wheels & Power Tailgate)
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