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 Ask my anything about tires, I am a tire engineer

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DM3
post Dec 10 2023, 08:58 AM

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Maxxis ipro or vp4 fr 235/45/18?
DM3
post Dec 10 2023, 12:43 PM

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QUOTE(amscouzach57 @ Dec 10 2023, 11:43 AM)
Maxxis I Pro for grip. But mileage will be low.

Vp4 for all rounder performance & comfort. But, overall grip not as good.
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Ya been using Vp3 2 sets, probably go for kumho Ps31,since get good deals
DM3
post Jan 27 2024, 06:52 PM

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QUOTE(TSEyeCare @ Jan 27 2024, 03:55 PM)
Need opinion for my wife car's tyre, been 5years and mileage only 5-6k a year. Can it still last for few months based on the condition?
user posted image user posted image
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No la tyres have lifespan of 5-6yrs,so see the date on tyres, better change for safety sakes even if threads are thick
DM3
post Jan 28 2024, 12:33 PM

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QUOTE(TSEyeCare @ Jan 28 2024, 11:39 AM)
The timing is really bad, plan to change after CNY if the condition is still usable since it is not the main vehicle to use daily.
Many things to repair and no news on bonus yet, stress....
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Ya at least not main ride still ok then can change later
DM3
post Jan 29 2024, 11:19 AM

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QUOTE(littlefire @ Jan 29 2024, 09:31 AM)
If you ask michelin, max 10 years. After 5 years, check yearly by professionals/experts.

https://www.michelin.com.my/auto/advice/cha...g-do-tyres-last
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Yup thts michelins but generally other brands or rubbers wont last very long with our weather here
DM3
post Feb 8 2024, 04:26 PM

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QUOTE(littlefire @ Feb 8 2024, 04:21 PM)
If you want longevity, just continue either Primacy or UC series. I got 1 salesman friend which always travel between northern to central area and feedback to me the old UC6 tires he manage to hit 100k before change. FYI, he always travel on highways & rotate the tires every 10k.
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Wahh serious meh can last tht long,mine 25k-30k km less than 3mm
DM3
post May 15 2024, 07:45 AM

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QUOTE(LumiaFanboy @ May 15 2024, 12:55 AM)
Hi all sifu, can you advise if my tire is still good to go?
40k km
Toyo Proxes CR1

user posted image

Also one of them got a metal piece pierced at “long Kang”, been some time already so far tire pressure all good

user posted image
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Looks ok the thread, if less than 3mm need change.why not go to shop get tht metal out to see if it leaks then plug it,if not good to go.
DM3
post May 15 2024, 05:31 PM

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QUOTE(icebryanchan @ May 15 2024, 05:25 PM)
Just changed my front tires to XM2plus, but the manufacturing week is 14th, which means it is only 6 weeks old.

I heard if tire is too new there will be problem, should I be concerned very much? Should I drive less before the tires 3 months old or I am being paranoid ?
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Ok wat considered new liou. As long as shelf life not more than 4 yrs stock for u to use another 2-3 yrs okla
DM3
post May 15 2024, 05:36 PM

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QUOTE(icebryanchan @ May 15 2024, 05:35 PM)
My concern is indeed it being "too new". Some people said new tire takes 3 months to have their rubber and chemical to stabilize, that's why I worried now  sad.gif
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Wont la
DM3
post Jul 2 2024, 04:07 PM

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Anyone used Gripmax before?
DM3
post Jul 10 2024, 09:30 AM

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QUOTE(amscouzach57 @ Jul 9 2024, 08:47 PM)
I give you a few examples. Take it with a pinch of salt as I was using VP3. VP4 should have a slight improvement over VP3:
1. Tire spin from stop & go, on wet road.
2. When cornering, even during not so high speed between 60~80 km/h, there were incidences of tailspin (oversteer) on wet roads. If you do high speed cornering, for sure gonna have oversteer.
3. High risk of aquaplaning when drive over puddles.
4. Very noisy tire. Slow or fast. The faster you go, the higher the noise.

One of my cars are still using this tire. 235/50R18. Only 14k km driven with this tire. At the moment, this tire really limits the enjoyment of driving that car. I have to keep using this tire until botak or until I cannot tahan anymore.

Decision is up to you. You can try experience yourself. For me, I will not be not using this tire brand series anymore.
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Yeah been using 18" Vp3 2x n yea cant complaint much as it its worth it n not bad on dry,yes wet only setback.
Ive changed tyres yearly,been using many types.
I guess u need high end type then,like Ps4/5 to suit ur type.
Even when I use pS4 also spin, but better in wet of course.

DM3
post Jul 10 2024, 10:51 AM

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QUOTE(ayamxxx @ Jul 10 2024, 10:40 AM)
from FB user, many put praise for giti sport s2 tyre for performance but best bang for ringgit
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Im keen to try out Gripmaxx, since will change it in 1 yr also, currently the Kumho ps31 not so good
DM3
post Jul 10 2024, 03:42 PM

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QUOTE(gerald7 @ Jul 10 2024, 03:32 PM)
bro, why you need yearly change tires? can claim from company ka ? hahaha
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Lol, like to whack n take corners,racing lines etc tongue.gif
DM3
post Jul 10 2024, 04:18 PM

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QUOTE(gerald7 @ Jul 10 2024, 03:45 PM)
wah hahaha then you must write yearly tire reviews lah..  i jst about to swap my 1st set OE from car purchase.. after 80k km.. 7 years. But i slowpoke driver.
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LOl yeah did so/shared within tyre sections, because of freq change n also need to make sure dont burnt my pockets.
Been using hankooks mostly since V12 several rounds, GT radial, nexen N6k,N8k, Ps3,4, conti:Cc5,mc4 ,Toyo,bridgestone,falkens
DM3
post Jul 11 2024, 04:25 PM

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QUOTE(ayamxxx @ Jul 11 2024, 03:38 PM)
lucky u havent try the Achilles ATR Sport 2. Summary, bassy tyre, noisy, wet the worst grip.
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Lol almost ,i did try BF goodrich too,not so good like the nexen 6k also.
Might try the Maxxis Ipro next time
DM3
post Jul 11 2024, 04:27 PM

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QUOTE(gerald7 @ Jul 11 2024, 03:38 PM)
aduh....

unfortunately last nite I had a tire puncture, so this morning pasang the VP4 already.  going from 45 to 50, cornering feels a bit spongy, esp if do sudden movements. Not liking that. But can adjust driving style, so far no rain yet. Definitely cant spirited drive like before, need to dial down slightly.

road noise, feels like not much improvement over my 7 year old rubbers.  hmm.gif

But new rubbers sure absorb road pimples better.
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Need some km to scrub off the new tyres layer 1st. Its not so much of comfort tyre so expect some noise for the VPs
DM3
post Jul 15 2024, 03:15 PM

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QUOTE(gerald7 @ Jul 15 2024, 12:59 PM)
So after a few days of driving with some wet stints, its obvious going down from 215/45 to 205/50 has a big impact on the limits of cornering and aggressiveness of switching directions. Needed some time to re-wire my brain to the new tires. Slow~ slow~ granted I'm not a performance type or driver, just used to the earlier profile for 7 years so its engrained into the butt dyno. Grip is good enough for my car. Didn't expect much more.

And the noise seem to have gotten less than earlier. As expected, 50's absorbs the road surfaces better. So, so far everything seems to be within expectations.

Hopefully can last at least for the next 5 years.
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Envy u guys can last past 3yrs .
tongue.gif
DM3
post Oct 28 2024, 09:57 AM

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QUOTE(littlefire @ Oct 28 2024, 09:30 AM)
It is a fact PS4 perform more better, PS5 only good in better tread wear but because of this the traction performance drop.

If you want lower budget tyres go for middle range tyres like Falken FK520, Hankook  Ventus S1 evo 3, Maxxis Victra Sport or Giti Sport S2
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Ps4 now also no more,been using it till now but femes fr peel off chunks
DM3
post Dec 11 2024, 06:15 PM

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QUOTE(dino89 @ Dec 11 2024, 06:08 PM)
Want to ask, any feedback for 15 inch Kumho Ecsta PS31 tires?
How is the noise level and wet braking?

If lets say compared to UC7 (i know is summer tire comparing to UHP tire) how is the noise level? I assume the wet braking shuld be better than UC7 la
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Crappy, mine peeled/chipped off like PS4 after using less than 7mths
DM3
post Dec 12 2024, 11:37 PM

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QUOTE(dino89 @ Dec 12 2024, 09:50 PM)
Ooo thanks for the feedback
Peeling like goodyear triplemax tires la?
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Neva use GY b4 but pS4/5 very common to have tht issue

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