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 How do you judge a tyre

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andrekua2
post May 9 2023, 05:19 PM

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QUOTE(technosakai @ May 9 2023, 04:11 PM)
No damage done to the car.. Its just there to prevent your brakes from locking up the wheels, preventing your car from skidding when brake is pressed to the max.
yes, consume your brake pads and tyres.. Hard acceleration and braking consume your tyres..
Squeal noise when taking corners means grip is close to max limit if my understanding is correct. Kinda like at the tyres' peak performance.. any faster than that speed the tyres would lose grip
ya lo.. you drive 10 years also never see ESC and ABS light up before and yet got ppl here can use tyres until those 2 were triggered. Its either they are very hard on the pedals or the tyres were shit? idk..
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I believe ABS works in background and dont light up even when it's working. If ABS light is on, that means your wallet going to bleed again since speed sensor sudah rosak.

Only ESC light will turn on when it's triggered and working.
technosakai
post May 9 2023, 05:50 PM

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QUOTE(andrekua2 @ May 9 2023, 05:19 PM)
I believe ABS works in background and dont light up even when it's working. If ABS light is on, that means your wallet going to bleed again since speed sensor sudah rosak.

Only ESC light will turn on when it's triggered and working.
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ah yes, correction on my statement.. ABS light won't light up unless system is faulty. But my point is i wonder how some ppl here drive, cuz can activate ESC and ABS. ABS activated in heavy jam some more..

ktek
post May 9 2023, 10:00 PM

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QUOTE(technosakai @ May 9 2023, 05:50 PM)
ah yes, correction on my statement.. ABS light won't light up unless system is faulty. But my point is i wonder how some ppl here drive, cuz can activate ESC and ABS. ABS activated in heavy jam some more..
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^ that traffic jam is taya bunga finish easily skid even dry roads. also one of my bad impression to michelins
SUSceo684
post May 9 2023, 10:04 PM

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QUOTE(technosakai @ May 9 2023, 05:50 PM)
ah yes, correction on my statement.. ABS light won't light up unless system is faulty. But my point is i wonder how some ppl here drive, cuz can activate ESC and ABS. ABS activated in heavy jam some more..
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I drive like hell rclxm9.gif Zero patience to miss a green light. Tyres always noisy no matter what brand if they are squealing in a corner cool2.gif
TShelven
post May 10 2023, 12:28 AM

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QUOTE(andrekua2 @ May 9 2023, 05:15 PM)
PS3 also belongs to UHP.

The thing is that each and every tyre behaved differently. Some had stiffer sidewall for solid cornering and hard braking whereas something like PS3 is more towards comfort with its softer sidewall and low noise. It's too general to even recommend you anything since you don't even have a starting point to compare.

Michelin is usually regarded as a safe choice because it's usually good in both dry and wet while also being comfortable and less noisy. Others like Continental may push the boundaries more with better cornering but be prepared for harsher ride and higher noise level when going through bad road.

Personally I wont recommend u anything since I dont think you need it. A good driving behaviour trump good tyres any day.
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Understood. I will go google/youtube more about tyres. Thanks and cheers
6UE5T
post May 17 2023, 12:39 PM

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QUOTE(helven @ May 7 2023, 10:06 PM)
Evening everyone.

Given context:
Ford Fiesta, 1150kg, tyre size 195/55R15

By reading the forum, I found people commenting about this tyre good, that tyre not good, this good on wet.
I would like to know, how do you guys judge the tyre performance? in what context and measuring method makes you conclude that this is good and that is bad?

Dry/Wet Grip:
Like do you test it personally in rain? Purposely run into the water in highway? jam break? sweep corner?

Noise:
Do you feel by your ears only or you have device to record the dB?
There are many factors can affect the noise, how do you judge if it is good? solely base on feel?

Comfort:
This is very subjective, absolutely hard to gather data such as vibration generated on this road

Treadwear:
This is easy, can count by mileage

I am currently using Toyo CR1, I can't tell if it is good and can't justify the money spent. I have also use XM2 previously, I feel both are same with RM100 price difference per tyre (absolutely noob that I don't have the capability to differentiate both), I feel XM2 seems to last longer than CR1.
The only reason if ppl ask me why I se CR1, i can only tell it is more budget friendly and it is not unknown brand.
Thus would like to learn how should I judge a tyre.
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For grip and performance in the dry/wet, I do drive a bit faster/more spirited than avg. For example I often drive up/down Genting so I can feel more on how the handling behaviour of the tires, do they slide earlier, do they give more responsive steering or the car becomes more darty, do they give stable feeling on the fast highway sections, or do they feel a bit wobbly, do they aquaplane easily etc. I am nowhere near a professional driver and tire reviewer like Jonathan in tirereviews UK so I can only evaluate up to my limited experience and driving skill though, and comparing between similar class tires is very difficult like PS4 vs F1A5 for example, but if compare PS4 vs lower category like XM2 then much easier to tell the difference.

For noise, I don't pay much attention to it but should be just easily judged by ears.

Comfort, just feel when going thru rough surfaces, do they give more cushions or feel dampening/softer.
Quazacolt
post May 21 2023, 03:37 AM

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QUOTE(technosakai @ May 9 2023, 05:50 PM)
ah yes, correction on my statement.. ABS light won't light up unless system is faulty. But my point is i wonder how some ppl here drive, cuz can activate ESC and ABS. ABS activated in heavy jam some more..
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QUOTE(technosakai @ May 8 2023, 12:02 PM)
damn.. you guys are always triggering your cars' ESC and ABS when driving?
so easy to trigger one meh? all kaki balap?
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well, some people, like myself are really bad drivers and needing to rely on nanny to keep our cars from total lost.

or maybe it has something to do with a wee bit over protective nanny and really aggressive RWD drive train, with 3 pedal manual that you can clutch dump. guaranteed to light up that ESP (or plain TC, since no need individual wheel correction. but it's an all encompassing system anyways)
constant_weight
post May 30 2023, 01:32 PM

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QUOTE(ktek @ May 9 2023, 10:00 PM)
^ that traffic jam is taya bunga finish easily skid even dry roads. also one of my bad impression to michelins
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We not supposed to use until no more thread. Once it hit the wear marker time to change.

Also depends on which Michelins. XM2, then yes, not much grip (relative to touring/UHP) even when brand new. Same for any Eco, low rolling resistance tyres (car guys joke sponge tyres) from other brands.

XM2 side wall is super soft, can feel the sidewall crumple if turn to hard.
constant_weight
post Jun 10 2023, 11:33 PM

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QUOTE(6UE5T @ May 17 2023, 12:39 PM)
For grip and performance in the dry/wet, I do drive a bit faster/more spirited than avg. For example I often drive up/down Genting so I can feel more on how the handling behaviour of the tires, do they slide earlier, do they give more responsive steering or the car becomes more darty, do they give stable feeling on the fast highway sections, or do they feel a bit wobbly, do they aquaplane easily etc. I am nowhere near a professional driver and tire reviewer like Jonathan in tirereviews UK so I can only evaluate up to my limited experience and driving skill though, and comparing between similar class tires is very difficult like PS4 vs F1A5 for example, but if compare PS4 vs lower category like XM2 then much easier to tell the difference.

For noise, I don't pay much attention to it but should be just easily judged by ears.

Comfort, just feel when going thru rough surfaces, do they give more cushions or feel dampening/softer.
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First I like the word "similar" here. F1A5/F1A6 is kinda sandwich between UHP PS4/PS5 and UUHP PS4S. Without owning the F1A5/F1A6 before, it seems closer to UUHP in terms of performance from the tyres review.

I used to think like you "how different can they be?", until I replaced my CPC6 with CSC7 recently (https://www.tyrereviews.com/Tyre/Continenta...rtContact-7.htm).

Although it is a class jump from UHP to UUHP aka max performance tyre, but judging from online review performance data both are very close.
Actually drive this thing is mind blowing, I could tell right away at least between CPC6 vs CSC7. Totally justify the additional U.

Handling - feels like shade 300kg off the fat 2 tonnes car. The car is a lot more agile in changing lanes. The delay after initial turn-in is gone, at least it feels gone until I drive it off the bat after get down from the other 200hp 1.3 tonnes car. Steering is also weighted more on high speed long swipe corner, despite I'm using same size replacement.

Braking - online review shows very near dry/wet 100km/h - 0 braking distance. Actual driven both tyres tell a lot more story, I couldn't imagine this before. The CSC7 is much much much more linear. Of all the tyres I driven before including new PS5, they need weight transfer to load the tyres for max grip. When started to brake, feel a certain level of braking force, with deeper brake pedal until the obvious front car nod, in the moment the grip surge. The CSC7 seems like don't need to load the tyres, just firm and linear from initial touch of brake pedal. It is so linear and so easy to control, feels like all I have to worry is modulate the brake caliper force, and less worry about the weight transfer. This make trail braking more precise, also less demanding on driver skills. On daily driving, it is also easier to avoid passenger head nod, more comfortable.

Noise - is an area not to take online review number literally. Well, I'm sure the decibels measured are accurate, but that doesn't take into account of the noise frequency, and variety of road surface. Actually this applies for both PS5 and CSC7 new tread pattern that shift the frequency to different range vs last generation tyres. Measured with machine still 72-73 dB, but they are less annoying and less intrusive for human ears. Specific to CSC7, on highway and on smoother pavement, it feels like almost no noise, until I pay very detail attention found that the tyres roar resemble the wind noise, sneaky smooth criminal to blend in. On bad pavement, it is quieter than CPC6 at low speed, but louder than CPC6 at mid 50-60km/h onwards.

Vibration - handle small vibration and big undulation better, and more comfortable than CPC6. But on the old pavement, where the tar is dried up, this when the CPC7 pass in hell lot of road feedback vs CPC6. The landing is still nice and sprung well, just super busy due to shear amount of them. Every single motion of the wheel can be felt through the steering clearly, guess this is due to stiffer side wall even-though I drop 2psi vs CPC6.

Break-in - CPC6 was super noisy initially, and took about 2000km to break-in and quiet down. CSC7 is quiet and comfy from the beginning. However CSC7 stick crazy amount of 1-2mm size tiny gravel, and if remove the gravel by hand, can see a layer of rubber coated on the gravel. There is also a corresponded mark on the tyre. Fortunately this is significantly reduced after 100-200km, only a couple gravels total from all 4 corners. Still quite stick though, good luck to anyone tailgate me.

Other thing like aquaplaning, I haven't have chance to test, but on day to day driving I'm not going to bothered by 4-5km/h slower than the top fastest aquaplaning of the group. Mid pack aquaplaning of the premium UHP/UUHP group is still fantastic, we should drive safely in such heavy rain anyway.

Overall completely satisfied with the performance and surprised by how little it sacrifice daily comfort (sure it hates the old dried tar pavement more than touring tyres). Would be interested to test the upcoming PSS5.

This post has been edited by constant_weight: Jun 10 2023, 11:39 PM

 

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