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Tyre Pressures for 225/40 ZR18 Goodyear Eagle F1


Jasonxx29
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Look inside the fuel flap and set to what they recommend for the car.

I'm assuming the car would be on 16" or 17" as standard or is it a Anni model which came with 18" rims.

Tyres have a range over which they can run, but you should stick to what the manufacturer recommends for the car...... fuel flap has the answer smile.gif

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So the 33 psi that the GSD3 / F1 tyre shop suggested for R32 front / rears is way out? Based on mixed urban / major road drives and in UK winter!

42 psi in Aus summer weather must creap up a few pounds after a good drive in the Aus heat, seems too high to me.

Then again, I'm not driving in Australia!

Or do you set them high to allow some drifting?

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[ QUOTE ]

Or do you set them high to allow some drifting?

[/ QUOTE ]

What do you think? ECLIPSe.gifjump.gif

I got some nice 4 wheel action and a bit of squeal happening last Thursday coming up the Clyde Mountain from the south coast (think sheer escarpment with slow, switchback road, very limited overtaking opportunities with heaps of hopeless Xmas holiday traffic). All with ESP on! smile.gif

Seriously though - I did another advanced driving course the last weekend in November, and the professional race and rally drivers (incl. Neil Bates and Rick Bates) mentioned that 36psi was about where you wanted to start for tyre pressures - to maximise handling, safety and wear. Higher was up to personal preference.

The other reason I run them high is to minimise sidewall flexion (and hence possible damage - particularly on some of the nasty potholes we get), it helps handling in the wet too, and slightly improves fuel economy. I've been doing this for the last 14 years on my Subaru, then A4Q and now the R - and have had zero issues with fast country road diving damaging the tyres. One other thing - on all my cars, running around 32-36 excessively wears the shoulders, but more air evens the wear across the entire contact patch. Must be the rubber bands I fit to the wheels.

My tyre damage always seems to be in the city - where some construction wally has left building debris (like coachbolts or TEC screws) lying across the bitumen 'cause they are too lazy to pack their vehicles properly... fekr.gif

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I know that the Potenza's that I'm currently running have a super hard side wall.... compared to the MIch's. They were all squishy and weak, but you could harding move the wall on the Potenza's (when not on car).

I probably don't drive my car as hard as you RH, but I have never experienced any tyre wear issues on my cars. Maybe I need to try harder smile.gif169144-ok.gif

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