no idea about new car or old car having difference on RON. instead i know if you are driving a sport car then definitely got difference.been pumping ron95 since the first day i get my persona. Now 76k km. no problem at all. on my volvo 850, last time pump Ron97, since introduce ron95, i pump ron 95. same, no problem. only thing is both my persona and volvo choke on shell ron95. other is ok. Volvo is a 2.5 which seems to have better FC, using RON95 caltex/esso, fc is around 11km/l. RON97 i get around 12km/l. for persona, i get the same. but high end revving on RON97 is of coz much smoother. if RON95 will damage car, while previously our RON92 wont, why dont pump RON92?, coz we got no choice. minimum requirement of new car is RON95.

btw, about mixing RON97 and 95, i got experience on my persona only. Volvo never try. pumping RON97 on the volvo gonna burn my wallet. RON95 alone reach RM100.
Half tank of caltex RON95 and RON97 is quite worth if you wish to have RON97 running in your car.
i pump RM30 of RON95 and remaining pump RON97. i think RON97 is around RM50@RM2.70 per litre that time.
RM80 for full tank instead of RM60-65. A difference of RM15 to RM20 is actually acceptable. Power I wont say is powerful, but is smoother. Idle time, engine sound same regardless of mixing, pure 95, pure 97. High rev at 5000rpm and above, noise lvl is higher when using RON95 than mixing with RON97/ pure RON97.
So if you always drive at below 3k RPM, no point. I get same FC on all. RON97 caltex is recommended for high rev kaki. hahaha~~i tried shell 97, i got no comment. is not even better than BHP RON97. Unless is V-Power Racing. I never visited shell since shell fuel save 95 save 1 liter per full tank is introduced. 70 litres on volvo save 1 litre =="

This post has been edited by jasonloh7906: Jul 30 2012, 02:40 AM

I would say most of the ppl would have not encountered such problem as yours.
you give out very big amount of information that can beat your own statement.
You travel a lot before the launch of RON95. When you started using RON95, hello, your car is at much higher mileage. And a local 2nd hand car that is used for 5 years. Come on. We all know our local car is not that reliable, but you have been driving a 2nd hand local car with 5 years without problem. you put the blame on petrol rather than your car or parts. is just like you rather believe that your new handphone charger damage your phone rather than thinking about the age, reliability and other factors.
No one is stopping you from pumping RON97. We are only telling you that it is not necessary to use the money. why would Car manufacturer want to cheat you on the minimum RON required for the car. the testing and tuning of the car is run on that particular RON and sold to the people. And are you thinking that they use overseas petrol to tune your car and when you pump the same RON95 you get a fake RON95??
it is like saying that the I-phone in US is better than the I-phone in Malaysia. I think that is what you say.
go ahead and use ron97 for your new car. but please make sure the mileage of the car and the age of the car is the same as the car you encountering problem before you say that RON95 really damage your car. dont come and tell us that your new car after using it for 2 years got no problem because using RON97. Your old car is more than 5 years car when you using RON95.

so both local and japanese car leaking engine oil, become hotter, and aircond got problem??
come on. since you are so confirm that the car problem comes from RON95, why you did not service the broken part and never to use RON95 again?? if you are able to confirm that it damage your car, you are just being too clever at your own statement. You mention that you rather pump RON97 than spending the money to fix your car. but then you still let your old car use ron95. are you saying that your old car dont need servicing and repairing?? if yes, you should use RON97 on your old car. I cant believe someone that can be so certain of something damaging its own car but still willing to spend the money to repair. As you said, you dont buy car and sell car every 5 years because you dont gain. so as you are so confirm RON95 damage your car, you should start pumping RON97 for them. then you can use your car without problem. as you are so confirm that it is RON95 that make your car have those problem, you will not have those problem anymore.

Btw, you should share where is your mechanic, so that i wouldnt mistakely go there. He is more pro than those engineer in car manufacturing and petroleum.

Seriously one question, you think your satria will not have any problem you encountering now if you use RON97 all the while??

This post has been edited by jasonloh7906: Aug 1 2012, 04:15 AM

what is your proof??
which people that sends car to workshop give you this statement?
or which research shows that because of RON95, the number of car in workshop is increasing?

i don't think ppl are not happy about you using RON97. No one give a damn on your money. Is just that facts are to be proven. We talk based on facts. Prove is the most important thing. If i tell you an asteroid will hit the earth tomorrow, will you believe me? i got no prove to show you. But if an astrology say that, the whole world will be panic. because they can give out solid prove.

And everyone knows detonation is not good for the car. but then is your car already tuned to run on RON97 therefore RON95 cause detonation to your car. then we can understand why it cause damage to your car. if not, tell us what is the symptom you get during knocking, tell us how do you know there is detonation happen insideyour engine. ?
you think RON95 comes into malaysia because the government do so??
please do some reading. you have internet access. I don't like the government and i believe quite a number of people dont like too. We know they cant be trusted anymore. but then, this RON things got nothing to do with them.

I am just thinking that you are not satisfied because your satria started giving you trouble after 5 years of owning i suppose.

there is no evidence on that. only people that does not know about these things will believe in what he said.
Maybe this is where those myth of RON97 is cleaner and everything came from.

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Added on August 1, 2012, 10:57 pmcome on. hotter engine have colder aircond ok. unless your car is higher than the normal or going to overheat.
dont believe, try on your aircond during coldstart. compared it with your car still having the warmed up temperature.

This post has been edited by jasonloh7906: Aug 1 2012, 10:57 PM

theoratically no. but try stepping the accelerator on idle when you entered the car in a hot weather. it will cool your car much faster. Is because your engine is providing power where some power are sucked by the aircond compressor. so if your engine is running at the ideal temperature, you will have colder aircond. you can go and make your car temperature very low, but then why they dont do that? think man. with nowaday technology, cooling the engine is not that hard for engineers. but dont you realise why most car have almost the same temperature when they are normall. and for you to know, my volvo have poor acceleration, bad gear shift, and jerking when the car is too cold.
Ok, maybe i used the wrong word. it does not mean that if my car temperature is higher than normal i got colder aircond. that is no no.

they will never bother to watch and read. coz it is edi in their knowledge.
It is just like explaining the new technology difference of last time car to nowadays car to my dad.
well, at least my dad read and understand.

just dun come and say i buy my new car at 2005. pump RON97 all the time, travel a lot with RON97 without problem. after 5 years, switched to RON95, then car start to be hotter, gasket blow, aircond not cold. is very obvious edi why.