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 Ask my anything about tires, I am a tire engineer

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amscouzach57
post Jul 28 2022, 08:41 AM

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Can you share with us the basics of tire thread patterns which contributes to what performance criteria?

Especially, aquaplanning, dry grip, wet grip, road noise.
amscouzach57
post Jul 30 2022, 12:49 PM

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QUOTE(MazeLoL @ Jul 28 2022, 11:54 AM)
Hi , TS what do you think about Falken FK510 for 215/45/R17 as im currently on RE004 and it kinda noisy especially near end of their life, it last me 50k Km
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FK510 strong points are wet grip & aquaplaning resistance. I'm currently using it on 225/45R19.

Since it is a UHP tire too, you can expect it to be considerably noisy.
amscouzach57
post Jul 30 2022, 12:56 PM

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QUOTE(cedyy @ Jul 30 2022, 12:53 PM)
which is the quietest tyre for c segment car?
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Should be Michelin Primacy 4 or Bridgestone Turanza T005a
amscouzach57
post Aug 9 2022, 12:30 PM

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QUOTE(epjx31 @ Aug 8 2022, 08:19 PM)
Could not find any label indication for Toyo CR1. For Nexen RU1 , it is label A for wet and RR D.

Based on this RU1 would be my choice .
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Maybe coz Toyo CR1 is specially designed for local Malaysian market?
amscouzach57
post Aug 9 2022, 12:31 PM

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QUOTE(RiriRuruRara @ Aug 9 2022, 12:02 AM)
Hello tire sifu, would like to know can a 185/55 r15 fit on my current rim that hold a 195/50/r15???
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Can fit since it is much narrower than original size. However, the tire sidewall will looked a bit stretched.
amscouzach57
post Nov 17 2022, 09:30 AM

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QUOTE(R____C @ Nov 16 2022, 09:48 PM)
Owning a kei-car and the standard size is 165/50R16 but unable to find a shop that selling this size? Is there any way to purchase it locally? Or should I opt to change to a new rim with a more common size?
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Did you ask the shops if they could take a pre order? But this might not be a cheaper option.

In the long run, it could be cheaper & more convinient of you opt for a common tyre size (need to change your wheels/rims).

Imagine, in an emergency where one of your tyres are badly punctured or exploded & needs to be replaced, you have to wait for a long time for a replacement, unless you buy them in bulk & keep as spares (which is also another inconvenience).
amscouzach57
post Dec 29 2022, 07:21 PM

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QUOTE(dudester @ Dec 29 2022, 03:16 PM)
Toyo CR1 is my goto alternative for comfort and quiet. But no where near quiet as Primacy.
Do they still have NE3?
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CR1 should be the upgrade & supercedes NE3.
amscouzach57
post Jan 1 2023, 02:15 PM

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QUOTE(apalexar @ Jan 1 2023, 01:54 PM)
Happy New Year everyone!
Any recommendations for 15inch performance tyre with good wet grip? Using xm2+ but doesn't feel like it achieve what I want, it's wet grip just ok for me
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Michelin Pilot Sport 3.

XM2+ is an Eco tyre
amscouzach57
post Jan 10 2023, 07:59 AM

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QUOTE(zoixc @ Jan 9 2023, 11:43 PM)
hi sifus, was wondering if its okay to change the front 2 tyre first and change the rear one later on ?
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If your wheel setup is not staggered, put the 2 new tyres at the rear, & bring the old rear tyres to the front.
amscouzach57
post Jan 12 2023, 06:21 AM

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QUOTE(zoixc @ Jan 11 2023, 11:59 PM)
actually any difference if put behind rather then front ?
may i know why you recommend doing so ?
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This is so that your rear tires to have more grip than the front.

This is to provide vehicle stability & prevent oversteer or tailspin in case your car loses traction when driven a bit hard.

If new tires/grippier tires are placed on the front, there will be a risk of oversteer.

If new tires/grippier tires are placed on the rear, there will be a risk of understeer instead.

For a typical driver, it is easier to recover from an understeer than an oversteer situation during driving.
amscouzach57
post Jan 14 2023, 06:20 AM

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QUOTE(zoixc @ Jan 14 2023, 02:25 AM)
205 45 r16 for myvi gen 3
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Maxxis Victra I-Pro
amscouzach57
post Jan 17 2023, 07:04 PM

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QUOTE(epjx31 @ Jan 17 2023, 02:01 PM)
Based on my price table, here are some options.

Name Tire Size Price(RM)
Michelin Pilot Sport 4S 225/40R18 1110
Kumho Ecsta PS31 225/40R18 435
Yokohama Advan Fleva V701 225/40R18 475
Bridgestone Potenza Adrenalin RE004 225/40R18 479
Continental Max Contact 6 225/40R18 618
Michelin Pilot Sport 4 225/40R18 (NEW PS5) 835

Would say MC6 or PS5 is quiet. But those are easily +200/300 more
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Continental UC7 should have that size, right?

What about Yokohama Advan Apex V601? This tyre was reviewed to be a "quiet tyre" even though it is an Extreme Performance tyre. It was reviewed to be quieter than Michelin PS4
amscouzach57
post Jan 18 2023, 12:47 PM

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QUOTE(6UE5T @ Jan 18 2023, 11:57 AM)
V601 is still UHP like PS4. AD08/9R and A052 then are extreme. Anyway this V601 seems excellent in performance for UHP at least in the dry cuz I got a friend using on his 86 and it performs well on touges.
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This tire is cheaper than Falken FK510 now. About rm100 per piece cheaper for 19 inch size.

Planning to change to this from my current FK510.
amscouzach57
post Jan 27 2023, 08:57 AM

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QUOTE(firezy @ Jan 26 2023, 03:57 PM)
hi all,
currently on a set of UC6, 215/55/R18 milage 4,500km. as these few days raining, personally i find it is not really great for wet.

any recommendation for other tyres?
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Primacy 4, FK510
amscouzach57
post Feb 2 2023, 05:08 PM

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QUOTE(ktek @ Feb 1 2023, 09:49 PM)
215/55 i just change to conti mc5 now. satisfy from previous cars 225/45 and 245/40. should perform similar.

btw bridgestone turanza is even better. at cost of short lifespan
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Why didn't you choose MC6?

Which turanza do you mean? T005A?

T001 sucks big time
amscouzach57
post Feb 28 2023, 09:56 PM

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QUOTE(((Xa))0102 @ Feb 28 2023, 08:55 PM)
Coming from Primacy 4, after using them for 3 years; previously was on PS4 which only lasted me 2 years - I'm deciding between the Michelin Primacy 4ST, Continental UC7, Continental MC6 and the Kumho HS52.

The PS5 is very tempting, with the steering feel, ZR rated (I do a lot of 200kmh driving) and overall performance. What's turning me off is the road noise, rolling resistance and the relatively short longevity, not really useful when I do KL JB commutes majority of the time. I don't skimp on tires, but I value safety, quietness and longevity these days. Which one should I go for? 215/55/17 btw
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Try Yokohama Advan Apex V601.

It is a UHP tire with low noise. Not sure about longevity
amscouzach57
post Mar 1 2023, 11:39 AM

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QUOTE(ktek @ Mar 1 2023, 08:29 AM)
tahu treadwear spec ?
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280 if I'm not mistaken
amscouzach57
post Mar 9 2023, 10:13 PM

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QUOTE(light_up @ Mar 8 2023, 01:39 PM)
hi, how's the aquaplaning & wet grip? if compare with PS4
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PS4 should be superior.

Yokohama Advan Apex V601 strong points are more affordable, dry grip & low noise.

This tire is much cheaper than Falken Azenis FK510. FK510 strong points are wet grip & aquaplaning resistance.
amscouzach57
post Apr 28 2023, 02:16 PM

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QUOTE(Confession @ Apr 27 2023, 08:39 PM)
It is recommend to rotate tires every 10000km, while at it, do we have to balance them as well?

How about for alignment at what interval should we do it? Thanks!
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I practiced do all 3: rotate, alignment & balancing every 10k km intervals for all my cars
amscouzach57
post Apr 29 2023, 07:58 AM

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QUOTE(amscouzach57 @ Apr 28 2023, 02:16 PM)
I practiced do all 3: rotate, alignment & balancing every 10k km intervals for all my cars
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Depending on the car.

Small car, up to RM60

Big car, up to RM120

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