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YOUR RESEARCHTyre AIr Pressures
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Buy a good one and ask your friendly Porsche dealer to get it checked/calibrated against a known accurate one.
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I run my tyres 2psi under for a slightly softer ride as it is my daily drive
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Suggestion
Agree with the above; I've certainly found that 2 or 3psi lower than recommended works well on our roads, as do many others.
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Suggestion · Original poster
, I have had to replace both Michelin Pilot N1's (285/30/18) on a 996 targa :evil: .
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Suggestion
Also, only measure/set pressures when the tyres are cold, not after a fast run in the car when they are hot!
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Suggestion · Original poster
The handbook recommended pressure is 44psi and I wondered if there is any concensus amongst forum members whether, for general road use, another pressure has worked better?
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Having discovered a screw embedded in one of my rear tyres last weekend
, I have had to replace both Michelin Pilot N1's (285/30/18) on a 996 targa :evil: .
The handbook recommended pressure is 44psi and I wondered if there is any concensus amongst forum members whether, for general road use, another pressure has worked better?
I have stuck with the 44psi but would welcome any alternative thoughts on this.
Peter
try the search feature as the topic has been covered several times,
I run my tyres 2psi under for a slightly softer ride as it is my daily drive
ie 34 front 42 rear :lol:
TB
I've recently gone down to about 39-40psi on the back from 42. Maybe a bit in the mind, but feel the rides is noticably more compliant and the car less nervous. 32's (IIRC?!) at the front.
Taran :angel:
Many thanks for taking the time to respond - much appreciated. I presume that below a threshold pressure, there must come a risk of uneven wear on the outside edges or indeed affect handling - does anyone happen to know at what point this is likely to trip in?
Peter
I agree with all that's been said. I run mine 3 psi lower on front and 4 psi lower on the rear than recommended, for reasons of improved ride comfort on UK roads.
You should not have any wear problems running at these slightly lower pressures. How can I be so sure? I have spent over 30 years in the Automobile Vehicle Dynamics Industry which includes being responsible for tyre development/tuning on performance vehicles
Additionally, with pressures down by just 3-4 psi, vs. recommended, most drivers, in most circumstances, will not notice any handling or steering performance deterioration.
I would add that
it's important
to make sure that the pressure gauge used to measure tyre pressures is accurate. If it's only accurate to say 3-4 psi, you're wasting your time. Buy a good one and ask your friendly Porsche dealer to get it checked/calibrated against a known accurate one. Also, only measure/set pressures when the tyres are cold, not after a fast run in the car when they are hot!
