205/40/17 -> tyre pressure???? - Alfa Romeo Forum
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205/40/17 -> tyre pressure????

i'd really like to know how much to inflate this tyres. the car is 145 QV!!

i guess the pressure 2.3 bar front and 2.1 bar rear for 195/55/15 isn't OK for 205/40/17????

some useful info would be appreciated!!!
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I use 2.3 and 2.1 on my Alfa 155 (same size tyres) and it seems okay.

Ralf S.
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Hi Axi,

Like you I have 205/40/17, I use

Front: 34 PSI (2.35 bar)
Back: 32 PSI (2.2 bar)

Experiment, try different pressures, have been advised not to go higher than 36 PSI on my car.
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thanks guys. i thought and was also told that 205/40/17 should be inflated more than 195/55/15 but i guess if you say that it should be around 2.3 bar front and 2.2. rear i believe you! thanks once more
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I thought they would need more air in my 215/40/17's but the ride is much better at the pressures shown above. You also stand less chance of bending the rim as I sound out after running at about 40 psi for too long!!
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