Tyre Suggestions

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Re: Tyre Suggestions

Postby fedaykin » Thu Nov 09, 2017 10:54 am

wally wrote:Does anyone have experience with 235/40/18s on a GenV (vs 225/25/18 stock)? There's a small difference in diameter (~2%), and I assume the small extra width doesn't cause issues with clearance. They're about ~$60 cheaper per tyre for 003's, so it's tempting...

Wally.

I had 235/45/18 on my car, wanted to try it out. No significant change but meh, just stick with the stock size, at the very least it looks better. Plus you'd want to put slightly taller tyres on, not smaller, to get the speedo to show a more real world km/h.

No harm really, you'd be going >5 km/h slower than indicated.

I also thought:
PS4 = update of PS3 (320 UTQG)
PS4S = update of PSS (300 UTQG)

I've seen the PS3 in action during a wet track day on a WRX STI, amazing tyre. I was going to get them until I saw the Hankook K120 for cheap and grabbed those instead :)
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Re: Tyre Suggestions

Postby Turbo Lag » Thu Nov 09, 2017 2:11 pm

tom_kauf wrote:I thought it was, but after a quick search for Matt Farrah Michelin, it is the PS4S (an extra S at the end). I don't know how that compares to the one in your link, but it's a good price!

If the links you posted is anything to go by, they're cheaper than the PSS was (the previous top-of-the-range model). The link below shows the RRP was $449ea :? (they're now on special because they're a clearance item - the old model).
https://www.tyresales.com.au/buy/tyre/m ... 107441?q=4


The PS4S is completely different - that's technically the replacement for the PSS - hence the price. My PS4 were just $616 for the set. This is generally at minimum on par with any of the Bridgestones.

fedaykin wrote:
I also thought:
PS4 = update of PS3 (320 UTQG)
PS4S = update of PSS (300 UTQG)

I've seen the PS3 in action during a wet track day on a WRX STI, amazing tyre. I was going to get them until I saw the Hankook K120 for cheap and grabbed those instead :)


Yep PS4 replaced PS3, and PS4S replaces PSS. I've been through quite a few tyres now, had an assortment of Pirellis (P7, PZero Nero, P1 Cinturato), Continental MC5, Michelin PS3 and now PS4. I've tried the PS4, PS3 and S001 on track in other cars with similar sizes too. Going by pure grip, PS4 seems to be the standout. From S001 to PS4 there was a significant time difference - easily justifying the cost to me. This is on top of feeling nicer on the road without any harsh NVH of sorts. The PS4 feels like it has a very soft side wall and is easily affected by pressure too, and this makes it a bit easier to control your ride comfort on the road I find. The only issue with the Michelins are that they do wear out reasonably quickly if you push them hard but what soft compound won't? The PS4 is also worlds above the PS3 and it's amazing to me that they were initially the same price.

I am yet to try Conti's, Hankooks or BF Goodrich's top offerings or other tyres like the Dunlop Direzzas, and have not tried AD08Rs which seems to be the go to for track work (just to put my experience into context).
'04 Subaru Liberty 2.5i Safety Pack 5MT OBP - Rebuilt EJ25 N/A - SMF Conversion - Shockworks Coilovers - 2012 WRX Wheels - Michelin PS4 235/45/17 - RDA Slotted/Dimpled Rotors - Intima SS/SR Pads & '08 Subaru Liberty 2.5i 4EAT
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Re: Tyre Suggestions

Postby jslayz » Fri Nov 10, 2017 8:53 am

Just got 40,000 kms out of my ad08Rs....
CURRENT - ATP GTX 3576 - 22psi - 283.7awkw
OLD - Dom 1.5Xtr - Last dyno 254ahkw, previous 238ahkw, first 224awkw.
My journey thread: http://forum.liberty.asn.au/viewtopic.php?f=10&t=15523
My Lib Pics here: http://forum.liberty.asn.au/viewtopic.php?f=10&t=15523&start=570#p370656
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Re: Tyre Suggestions

Postby wally » Tue Nov 21, 2017 9:19 am

Ended up getting PS4s in 225/45/18 on the weekend - for $240 a corner fitted - but the day before some muppet rear ended the mrs and tore off the rear bumper so the car is now at the repairer for the next few weeks :-(

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