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 V1 Proton Exora Bold Owners and Fans Thread, Calling all owner and future one...

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rapidbumi
post Jun 10 2012, 08:33 AM

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QUOTE(neo1point3 @ Jun 8 2012, 11:05 PM)
But if the rims is the shiny type then looks nicer I think
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shiny like this crz rims??
neo1point3
post Jun 10 2012, 08:40 AM

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QUOTE(rapidbumi @ Jun 10 2012, 08:33 AM)
Attached Image

shiny like this crz rims??
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Yeah, the rims look more stand out compare to stock smile.gif at least for cocoa grey, maybe light colour car prefer darker rims

Yesterday I was 170km/h at LPT a Vios and a innova cucuk, my EB cannot increase speed anymore have to let them go...but my eb fully loaded la, 5adult 1 kid and luggage. At 150 so much noise already but still stable, I suspect the tyre is noisy. Good thing 160kmh rpm at 3900 rpm smile.gif

This post has been edited by neo1point3: Jun 10 2012, 08:46 AM
SUSOptiplex330
post Jun 10 2012, 09:48 AM

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QUOTE(taqu @ Jun 9 2012, 11:29 PM)
IMO either 5W-30 or 10W-30 should be fine for our weather. Petronas Syntium 10W-30 flows at 74.1CST at 40 degrees while Petronas Syntium 5W-30 flows at 62.3CST at 40 degrees. More than thick enough for our weather. Plus 5W or 0W flows faster at startup than 10W, even in 25-35 degrees here, meaning better protection due to less time to reach engine on startup.

Viscosity at 80-100C is more important,  here both oils are same. Otherwise Petronas/Mobil/Castrol won't dare selling 0W-30 synthetic oils locally.

That's why I wonder why Proton discourages lower than 10W. Perhaps it's due to 10W-30 oils being cheaper than 5W-30/0W-30 oils. Or does Proton only means lower than 30 weight is not recommended? NVM I'll stick to SC's 5W-30 until next service.
I agree with you and that was also my understanding of engine oil. And that is also why I am so curious as to what could be the reason for Proton/Lotus for insisting on 10Wxx oil.

My guess:
1. Level of Extreme Pressure ZDDP level in motor oil. AFAIK, most of those Mineral 10W30 are API SL rated containing higher level of ZDDP than Synthetic with API-SM rating.

2. Soot handling capability. Mineral are better than Synthetic but normally, this is more of a problem for diesel engine and not gasoline engine like the CFE.

What's your view?


forgot_86
post Jun 10 2012, 12:12 PM

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QUOTE(rapidbumi @ Jun 10 2012, 08:33 AM)
Attached Image

shiny like this crz rims??
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I really dont like this shape. The tyre look so small and the body so big. Not balance. Those body must use bigger rims then only will look normal or better.
chulaisn
post Jun 10 2012, 04:31 PM

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QUOTE(forgot_86 @ Jun 10 2012, 12:12 PM)
I really dont like this shape. The tyre look so small and the body so big. Not balance. Those body must use bigger rims then only will look normal or better.
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Those lancer 18' looks fantastic on exora. Seen a few on the road. However, pickup and overall handling maybe will not be as ideal if compared to ori 16'. If on 15' even better but the looks compromised.
taqu
post Jun 10 2012, 05:13 PM

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QUOTE(Optiplex330 @ Jun 10 2012, 09:48 AM)
I agree with you and that was also my understanding of engine oil. And that is also why I am so curious as to what could be the reason for Proton/Lotus for insisting on 10Wxx oil.

My guess:
1. Level of Extreme Pressure ZDDP level in motor oil. AFAIK, most of those Mineral 10W30 are API SL rated containing higher level of ZDDP than Synthetic with API-SM rating.

2. Soot handling capability. Mineral are better than Synthetic but normally, this is more of a problem for diesel engine and not gasoline engine like the CFE.

What's your view?
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I guess it's bcoz 10W-30 oils are cheaper and easier to get around the world smile.gif
SUSOptiplex330
post Jun 10 2012, 05:30 PM

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QUOTE(taqu @ Jun 10 2012, 05:13 PM)
I guess it's bcoz 10W-30 oils are cheaper and easier to get around the world smile.gif
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No car manufacturer will specifically say you can't use more expensive 5w30. Yet Proton did just that. So I don't think cost is the reason but rather some unknown to us technical reason. So until we know the reason, I will not want to take risk with 5W30

In fact, it is so incredible for Proton to specifically say you can't use 5W30 that I am wondering whether it could be a printing mistake.....

This post has been edited by Optiplex330: Jun 10 2012, 05:39 PM
wezeer
post Jun 10 2012, 06:58 PM

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Maybe because of turbocharge...experienced with turbocharge car b4 (evo3) & recommended 10w instead of 0w...in my experience it really best when with 10w...
SUSOptiplex330
post Jun 11 2012, 09:42 AM

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QUOTE(wezeer @ Jun 10 2012, 06:58 PM)
Maybe because of turbocharge...experienced with turbocharge car b4 (evo3) & recommended 10w instead of 0w...in my experience it really best when with 10w...
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May I ask the reason why?

wezeer
post Jun 11 2012, 10:02 AM

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If too thin,(0W/30,5W/30), oil will boil inside your turbo
bearing. This will block further oil deliveries
to the turbo bearing (compressor & turbine).
& TC engine produce heat more than N/A. Afraid it will dried up the oil.

At the moment just follow as what in the manual. Those engineers (powertrain dept) already done some test with Borg Warner engineers & come up with the solution. Maybe they can disclose @ we can google our selves what the best & why 10w work best for TC engines.

This post has been edited by wezeer: Jun 11 2012, 11:25 AM
ultramaman
post Jun 11 2012, 10:04 AM

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QUOTE(vinorgouki @ Jun 8 2012, 12:51 PM)
the service booklet didnt record anything about using own oil.
the customer copy / receipt didnt show the item / price of engine oil.
the rest are same.
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the service booklet x. but i remmeber last time when i brought my own oil. they jot it down as 'owner own oil' in the system
rapidbumi
post Jun 11 2012, 10:17 AM

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just to share from RAYS Japan web... also reminder to me as well... how much ori price in Malaysia?Attached Image
ultramaman
post Jun 11 2012, 10:19 AM

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QUOTE(rapidbumi @ Jun 11 2012, 10:17 AM)
just to share from RAYS Japan web... also reminder to me as well... how much ori price in Malaysia?Attached Image
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nuts for rims ? apa beza fake and ori ? both also made from same material ?
SUSOptiplex330
post Jun 11 2012, 10:24 AM

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QUOTE(wezeer @ Jun 11 2012, 10:02 AM)
If too thin,(0W/30,5W/30), oil will boil inside your turbo
bearing. This will block further oil deliveries
to the turbo bearing (compressor & turbine).
& TC engine produce heat more than N/A. Afraid it will dried up  the oil.

At the moment just follow as what in the manual. Those engineers (powertrain dept) already done some test with Borg Wagner engineers & come up with the solution. Maybe they can disclose @ we can google our selves what the best & why 10w work  best for TC engines.
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Don't makes sense.

1. We WANTED oil to go between the bearing and thinner 0W oil can do that better. Only by getting between the bearing can we provide lubrication and protection to the bearing. Thicker 10W oil is less able to get between the thick bearing gap so in theory, 0W is better than 10W.

2. Synthetic oil can withstand higher temperature than Mineral so less chance of charring.






wezeer
post Jun 11 2012, 10:43 AM

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maybe those engineers do make sense...

hehehe i'm nor expert but shared from my previous experience...
while using 0-5w...noticed the EO level dried up faster than using 10w...maybe it's an old engine and turbine while produced 270whp...but then it do make sense when relate back to why they recommended 10w instead of thinner...
taqu
post Jun 11 2012, 11:02 AM

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I guess when the engine gets old, thinner engine oils will leak through worn seals & rings. Hence the 10W-30 as "play-safe" recommendation for the next 10 years of ownership. Who knows if Proton also purposely downstate the max torque (220Nm) that our CVT can take to discourage extreme modding.

Just my opinion. I can be wrong though.
ultramaman
post Jun 11 2012, 11:08 AM

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proton didnt purposely downstate the max torque that the cvt can handle. that number came from punch powertrain. u can check their website.. for the spec details of of the cvt gb
SUSOptiplex330
post Jun 11 2012, 11:27 AM

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QUOTE(taqu @ Jun 9 2012, 07:34 PM)
Not all SCs have 10W-30 oils, hence why I use 5W-30 instead. On my 1000km service I even have to use 10W-40 bcoz that SC doesn't have 30-weight Petronas Syntiums.

As long as it doesn't void my warranty I'm fine with that. Perhaps I'll switch to Petronas Syntium 5000 0W-30 on my next service.
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I decided to have a look at the turbo diesel engine oil chart and strange enough, it says you can use 10W30 but you CAN NOT use 5W30 in our climate. This is contrary to both our understanding of engine oil.

Even though CFE is not diesel engine, you might still want to reconsider using 0W30. And since Proton had specifically said you can't use 0W30, you will void your warranty if you insist on 0W30. My 2 sen.

This post has been edited by Optiplex330: Jun 11 2012, 11:30 AM


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wezeer
post Jun 11 2012, 11:33 AM

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to add to your analysis, might consider reading this
http://www.turbodynamics.co.uk/technical/u...gers/oil-facts/
SUSOptiplex330
post Jun 11 2012, 11:39 AM

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QUOTE(wezeer @ Jun 11 2012, 11:33 AM)
to add to your analysis, might consider reading this
http://www.turbodynamics.co.uk/technical/u...gers/oil-facts/
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I just did and this sentence is saying, if 10w30 can be used, 05W30 can also. But this is not what Proton and some turbo diesel manufacturer are saying. Hence my confusion.

"Once an engine has reached its working temperature (if over 70°C) the SAE "W" rating has no effect on the engine."

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