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66yostagea
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66yostagea Grand Master

66yostagea

Posted
Posted

I must confess I have a Forester. The first set of Bridgestones gave 25K. Pressure was 28PSI.

I then got some Hankook DynaPro A/T. These were pumped to 36PSI. Result 75K. Very pleased.

Mt. Tamborine is all twisty and very steep to go on and off.

On my S1 I have, and dont give me a hard time if they ar shit, Federal Super Steel595, 225/50ZR17/

94W.

Whats the best pressure to run these at considering the very twisty hilly enviroment that constitutes about 30%

of my motoring.

Also does anyone have a list on what all the different codes mean on tyres?

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marc2 Community Regular

marc2

Posted
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ps The Federal 595 is a good 'value for money' tyre. Unlike the 535, it is Silica based, and if managed correctly, will give good returns. I sell them and have yet had a customer come back and complain. Tyres are a grudge purchase and believe me customers dooo complain.

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AlexCim Grand Master

AlexCim

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I have Hankook K104's and I run 38PSI for city driving, in the hills ill just leave that but check that it hasnt gone down.

In the wet, in twisty terrain I up it to 42-43psi.

I keep even tyre pressures all around

As far as tyre codes

245/45/R17

width in mm/profile/diameter in inchs

Profile is a % of width, aka, the sidewall is 45% of the width in this case. Hence, larger wheels can be fitted with keeping the same rolling diameter by reducing the profile of the tyre.

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Terminal Grand Master

Terminal

Posted
Posted
ps The Federal 595 is a good 'value for money' tyre. Unlike the 535, it is Silica based, and if managed correctly, will give good returns. I sell them and have yet had a customer come back and complain. Tyres are a grudge purchase and believe me customers dooo complain.

Yeah marc, your tyres are dumb! hows that for a complaint.

actually i haven't used the tyres i bought off you 3 months ago... car is still in the shop awaiting bearings

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sy300 Collaborator

sy300

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Posted

Most tyres have a max pressure to pump them up to printed on the side wall.

I generally pump them up to about 5psi less than that to account for the increase in pressure when the tyres warm up.

I put 40psi into my Nankang NSII's (235/40 X 18").

I'm not sure if the 4WD is hiding anything, but the Nankangs are pretty grippy.

I had Khumo Ecsta 711's on my old 300ZX, they were fantastic in the dry, but not too good in the wet

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GorGasm Collaborator

GorGasm

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I always thought 32-35 was a good pressure.

I got my 18's with nankang ns2's on them new. They seem okay but nothing to write home about.

Camber absolutely destroyed the rear ones in less than 6 months, im talking -3 deg, massive toe and the tyre worn right through the steel belt on the inside and new on the outside.

I now have Goodyear GSD3s on the front and for the same profile as the nankangs the goodyears are a much bigger tyre. They also look better and have loads of grip!

Cheapass nankang i guess.

235/40/18

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  • 2 weeks later...
66yostagea Grand Master

66yostagea

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I'm at 35 all round now. When I checked pressures supplied they varied 28-32. The suspension (stock?) is real stiff and today going over some local roadwork potholes I thought i was on a Mentone tram. At about 10k we were nearly bounced out of our seats, on the up side it handled some roughish gravel up country at speed.

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