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| twr7cx |
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What tyre pressure for 235/45R17 tyres?
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| Steady ED |
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Depends!
Do you drive like a lunatic? Prefer feel over comfort? I'd say something around the 38psi cold mark, that's what I'd have. I've got 40psi in my rear 225/50 R16s and 35psi in the fronts.
_________________ ED XR8 Sprint - S-Trim, V500, 249rwkw |
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| twr7cx |
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when i had my steelies on about 3 years ago now i started at 35psi, and kept increasing the pressure and found i liked them at 40psi.
why do you have more psi in the reaR? wouldn't it be the opposite as the front has more weight? |
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| Steady ED |
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twr7cx wrote: when i had my steelies on about 3 years ago now i started at 35psi, and kept increasing the pressure and found i liked them at 40psi.
why do you have more psi in the reaR? wouldn't it be the opposite as the front has more weight? Yeah usually, but I got LPG, amps, sub, plus I was getting a bit of understeer. Less pressure (to a point!) more forgiving, bit more 'grip'. More pressure (again, to a point) the opposite.
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| TURBO_GHIA |
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i run 38 in mine
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| hornet |
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I run 40 in mine
_________________ 5 Speed EL Futura
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| MadMatt |
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36 is about the norm.
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| Mechan1k |
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35-36 in the front.
when loaded up I run between the 38-40psi mark in the rear (ute) .. usually 38psi though. I have even wear over all tyres .. and I do heavy load driving and towing all of the time. I run Sava Intensa tyres (235/45R17s) and I have done close to 40,000km on this set of tyres and I still have 50% tread left all round. I make sure my alignment is right regularly and rotate them when needed ... also I don't abuse my tyres .... except for loading them up.
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| Smackdown |
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I run all of them with 40psi at the front.
Tyre guy told me "38, but don't be afraid to pump them up"
_________________ BA Falcon Futura on EGas. Stock as...
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| Whiteknight1 |
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Hmm, ive got 225,s and was told by the mechanic to do around 32, does that sound right? some people say 36 all round, some tell me to have a little more on the driving wheels, who should I believe?
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| fnp |
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Age: 39 Posts: 4401 Joined: 25th Mar 2005 Ride: BA XT, BA XR6T, ED Ghia 5.0 Location: Perth |
45 rears, 40 on the front.
_________________ What's the difference between a Holden and a sheep? It's less embarrasing getting out of the back of a sheep.. |
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| phongus |
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s**t fnp....bit of petrol saving there?
i run mine on 40 all round. phong =P~
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| fnp |
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Age: 39 Posts: 4401 Joined: 25th Mar 2005 Ride: BA XT, BA XR6T, ED Ghia 5.0 Location: Perth |
phongus wrote: s**t fnp....bit of petrol saving there?
i run mine on 40 all round. phong =P~ Car feels nicer like that.. last track day I ran 55 in the rears  but the ride just gets a bit too figety then (running over white lines can hurt lol)
_________________ What's the difference between a Holden and a sheep? It's less embarrasing getting out of the back of a sheep.. |
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| Whiteknight1 |
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Ahok, I'll try out the 45 on rears and 40 on fronts, thanx Fnp.
Thanx, Mick
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| adrian` |
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55? your a crazy man you know that :/ with low profile tyres you should keep them around the 38 to 40, for the 16's an lower id say around the 34- 36 or 32 on the light cars
not to sure about the45 an 55 idea. theyll go kaboom  well the wont really but yea id use 45 tor a trailer that is constantly fully loaded with light truck tires, tyres designed to take more psi an with a higher ply rating
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