how u check? by using ur palm?

is true coz my mom's 8 years kancil, paint worn off near the fuel cover / cap coz overfill...
itu RON95 sudah makan cat at that area... hahaha...

Yeah.... RON95 is so corrosive that RON97 is not harlow.;. it is petrol what U ESPECT....

RON95 amd 97 is basically same petrol the different in RON numbers is the ability to combust... 95 combust earlier and 97 later (which add to 97 stability) it is called pre-mature combustion nothing to do with the nature of corrosive or heat...

for HEAT issue check your water level guess something leak... (not your petrol)

Basically, RON95/97 doesn't matter..
What matters is what your stock car is designed to use..

If it's built to use RON95, then it will run well on RON95
Most of our Malaysian cars is built to use both RON95 & 97

The only time RON95/97 makes a difference is when you modify your car engine (for eg. TurboCharge or SuperCharge)

It FELT hotter. 'Feeling' the temperature of 'the engine bay' is not a reliable way of telling if the engine is having problems. Maybe it was more humid at the time you felt that it was hotter? Maybe you just had your air-con working harder? Maybe it's your cooling system? If the temp needle doesn't go beyond the safe level, whatever increase in temperature you feel from the engine bay is most of the time irrelevant. If it does indeed get hot, I wouldn't blame the fuel either. It's not like you're running the car with a mixture of nitrous oxide and methanol.

include swift sport into ron97 user list...

thought city (>2008 model) only use ron97

if the car just compatible with ron97 then don use ron95 lor

I ran my old previous generation honda city (2008) on RON95 with no problem. The difference in power vs the RON97 was virtually unnoticeable.

nope. since when honda city compatible only with ron 97? all honda cars compatible with 95 except for civic type r with minimum ron 97

h-i-j-city is sportscar ma.

lulz. all the car and bike in my house use 95. Civic 1.8, City 1.5 VTEC, Merc, Yamaha LC, Lagenda, KIPS, Blade 650, all use 95 without any problem, and I dont see any stupid reason to use 97.

Placebo, that is the key word.

Using RON 95 on my Mazda 3 2.0 HB as well. No issues.

I am driving a supercharged red Ferrari with super high compression engine and I can confirm RON95 petrol not good for her.....

Relax. If you are not driving high performance cars like that, RON95 is OK for your Proton and low performance Honda City.

Many may not understand what is "placebo effect". To put it layman's term, it's a feeling one will get after paying for some modification, bought a device, filled higher grade petrol, added addictive etc (& also partly because of the "extraordinary" claims in advertisements, sales talk, forum chat etc), to the point that one CANNOT believe what you paid for does not work as claimed even though there may not be noticeable difference in terms of performance from stock or standard settings/tuning. Phew...there...understand now? No? How about this...

Ah Beng found a performance chip in ebay which claims that after installing it, his car horsepower could increase by 30 ponies. A bargain Ah Beng thought at USD60 so Ah Beng bought and installed it. Wow, he said. The car feels smoother, more pickup, and definitely more power!! Ah Beng is happy. Weeks later, Ah Beng after much persuasion from his car kaki, did a dyno & found out his car actually has less horsepower than his friend's who did no modification or added anything at all! His friend drives the same car as Ah Beng. Ah Beng later recovered from his placebo effect.

just forgot to service your car and blame it on ur fuel.. lol

aiyoh... your case I think RON97 also not good enough ler...

I didn't notice about this issue until I read this thread. Currently, I'm using RON95 for my 3months old turbocharged C-class. I never used RON97 before. Any expert here can tell which kind of petrol C-class should use? Thanks!

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Added on July 29, 2012, 8:02 pmI'm Shell RON95 Superfan and I didn't know it was that bad. I might be changing to Petronas RON95 now. Sighh..


This post has been edited by tcken: Jul 29 2012, 08:02 PM

dont use ron95 for modern car .. our ron 95 is same with 92+addictive .. it was the gov who ask the fuel maker to come up with a low price fuel but better then ron92 .. old car carburator is ok to use ron92-95 -97 new car with fuel injection no no no.. did u notice they is a lot more car with their bonnet paint tearing off due to heat problem??
most car who have been using the ron95 since coming out from the supplier their car started to develop problem now .. first u will notice ur air cond not that cold anymore and ur car engine start to consume more engine oil and leaking oil...check out with ur trusted mechanic ask them since the intro of ron95 did he notice lot more car coming to have a top overhaul due to oil leaking?

Thank you. At least someone agrees with my opinion in Ron 95.

This post has been edited by alxdc: Jul 29 2012, 09:16 PM