What's The Difference Between RON95 and RON97

Nov 22, 2010
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I have been mixing Petronas PRIMAX 97 with PRIMAX 95 all the while and I have come across from facebook.com/petronsbrands today published that PRIMAX 97 caters to those who wants POWER in their car performance, while PRIMAX 95 caters to those who wants fuel that gives more MILEAGE. Izzit true? Do we feel the differences?
 

xtremeleo

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xtremeleo

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I have been mixing Petronas PRIMAX 97 with PRIMAX 95 all the while and I have come across from facebook.com/petronsbrands today published that PRIMAX 97 caters to those who wants POWER in their car performance, while PRIMAX 95 caters to those who wants fuel that gives more MILEAGE. Izzit true? Do we feel the differences?
its okie to mix both sir, nuthing bad will happen, at least nuthing bad has happened to any of my rides when mixing these two fuel grades..

RON97, being a higher grade fuel, allows a more aggressive tune compared to the 95. i think RON95 saves fuel and gives more km by volume jer, u know.. u get more per ringgit for the RON95, so u can go farther by having more volume
 

papagoines

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papagoines

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its okie to mix both sir, nuthing bad will happen, at least nuthing bad has happened to any of my rides when mixing these two fuel grades..

RON97, being a higher grade fuel, allows a more aggressive tune compared to the 95. i think RON95 saves fuel and gives more km by volume jer, u know.. u get more per ringgit for the RON95, so u can go farther by having more volume
just want to add, don't confuse RON with fuel quality... RON is just a measure of the resistance of petrol to engine knocking Octane rating - Wikipedia, the free [email protected]@[email protected]@/wiki/File:Gas_Station_Pump_Five_Octane_Ratings.jpg" class="image"><img alt="" src="http://upload.wikimedia.org/wikipedia/commons/thumb/0/0f/Gas_Station_Pump_Five_Octane_Ratings.jpg/280px-Gas_Station_Pump_Five_Octane_Ratings.jpg"@@[email protected]@commons/thumb/0/0f/Gas_Station_Pump_Five_Octane_Ratings.jpg/280px-Gas_Station_Pump_Five_Octane_Ratings.jpg... as per quality are concerned, all petrol in Malaysia are the same since it came from the same source

the difference between brands is the quantity and quality of the additive added.... even RON95 from one brand might differ from RON95 from another brand...

...correct me if i'm wrong

Wanna ask though, just found out that my JB-JL turbo engine are tune for regular unleaded petrol circa RON92 ~ RON95.... As long as I don't meddle with the ignition curve of my engine, there's no need for me to use RON97 right?
 
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xtremeleo

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xtremeleo

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yes sir, but i think its simpler to denote RON97 is a more quality fuel den RON95, dont u think so?

on ur tuning state, there isnt any need to change to RON97, for now.. lol
 

papagoines

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papagoines

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yes sir, but i think its simpler to denote RON97 is a more quality fuel den RON95, dont u think so?

on ur tuning state, there isnt any need to change to RON97, for now.. lol
agreed.. but sadly, that is not the case
 

MKMD428

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MKMD428

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its okie to mix both sir, nuthing bad will happen, at least nuthing bad has happened to any of my rides when mixing these two fuel grades..

RON97, being a higher grade fuel, allows a more aggressive tune compared to the 95. i think RON95 saves fuel and gives more km by volume jer, u know.. u get more per ringgit for the RON95, so u can go farther by having more volume
xtremeleo..since u have experience mixing 95 and 97..just need some help..:

1. what ratio did u mix? 50% 95 and 50% 97? or is it just by logical sense..97 more..95 a little bit?
2. whats the CR for the engine that u mix with both of the fuels?

thanks man..
 

xtremeleo

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xtremeleo

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i dunno what percentage sir, i just fill any which i fill like it, most of the time its the 95. i usually fill in the 97 if i have the need for speed, oh yes.. there is a significant difference between the two, of course dats if ur ecu is able to differentiate them, and set the tune accordingly.

my cr is around 9.5 jer, but an evo3([email protected]) dat have a much higher cr pun okie jer when boosting with the RON95, of course, it was tuned by joshua of millennium motorsport
 

papagoines

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papagoines

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i dunno what percentage sir, i just fill any which i fill like it, most of the time its the 95. i usually fill in the 97 if i have the need for speed, oh yes.. there is a significant difference between the two, of course dats if ur ecu is able to differentiate them, and set the tune accordingly.

my cr is around 9.5 jer, but an evo3([email protected]) dat have a much higher cr pun okie jer when boosting with the RON95, of course, it was tuned by joshua of millennium motorsport
Wow! high boost with high CR? thought that i worry 8.7 CR on my engine could damage it in the long run
 

MKMD428

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MKMD428

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i dunno what percentage sir, i just fill any which i fill like it, most of the time its the 95. i usually fill in the 97 if i have the need for speed, oh yes.. there is a significant difference between the two, of course dats if ur ecu is able to differentiate them, and set the tune accordingly.

my cr is around 9.5 jer, but an evo3([email protected]) dat have a much higher cr pun okie jer when boosting with the RON95, of course, it was tuned by joshua of millennium motorsport
thanks man...at least got justification..i've being listening to 'cakap-cakap' only..

anyways..mine is not turborchaged..its neovvl.

again, thanks for the info.
 

xtremeleo

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xtremeleo

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thanks man...at least got justification..i've being listening to 'cakap-cakap' only..

anyways..mine is not turborchaged..its neovvl.

again, thanks for the info.
sumtimes, cakap2 only can be a good source of info jugek, but proof is better.

a neovvl has a high cr jugek, so take note of pinging sound when booting it up sir, ur ecu may be able to adjust with the fuel RON, but in case it cant, adjust accordingly
 

afariq

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afariq

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In my case ONLY with the current or old VPower the engine knocks (or pings?). Other brand 97's are ok apart from Shell. Could it be the additives?
 

papagoines

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papagoines

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AFAIK, additives in petrol (at least in Malaysia la) only have detergent (engine cleaning) & friction modifier (reduce friction)
 

xtremeleo

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xtremeleo

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they do have different add pack sir, imo shell's fuel is more volatile then others. maybe dats y my engine pings at aggressive tune everytime i fill shell up.. i always believe acetone isone of their add pack
 

arturo

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i second that...i get knocks real bad when i use shell...even their ron97 but esso/mobil ron95 no knocks at all...
 

papagoines

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papagoines

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me an avid user of ESSO/MOBIL oso... and not just about the SMILE card.... my lil turbo kancil kinda like ESSO/Mobil better... SHELL i'd use the motor oil only


p/s: can't remember the link, but there's a guy done a calculation by filling @ ESSO/MOBIL & swiping the SMILE card.... you can get more saving...... especially when you fill up at unpopular ESSO/MOBIL station, they tends to have 2x points as a promotion
 

arturo

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arturo

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papagoines...seriously? i never really did check how many points i getting for each RM pumped...have to go find those ulu ulu pumps n find out.
 

michaelcpz

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michaelcpz

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Well, I think Shell fuel pings a lot due to their additives that causes the lack of complete combustion. When I use its RON95 on my stock 4g13, it do feel more fuel saving but I could hardly rev my engine to 4k rpm, try also might can, but the engine will roar very loud but still don't feel the acceleration and power kicking in. V-Power 97 had complaints nationwide, its not surprising we are getting the same quality of fuel instead of the massive advertisement on how good it was by Shell itself. The only perfect fuel I ever used is the V Power Racing, other brands of RON97 are so good too but not the Shell Fuelsave 97. It really feels that that crap RON95.

Btw, in urban areas, there are cases where the fuel stations are using illegal fuel, happens to me where I always saw fuel lorries without any manufacturer's logo at the place I studied once. Usually at midnight only saw such lorries. Also, certain Shell stations are giving away double to four times the Bonuslink points than the amount you pumped as an initiative for you to use their fuel... It always happen to my friend, RM50 for a RM200 worth of points.. XD
 

kayour

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kayour

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on my oskool ke70-4k engine-totally stok engine+ejos bocor..heheh...can go 170kmh wif petronas ron95
wif shell ron95 only 150kmh..or sumting like dat la
never try ron97...daily ride, no need expensive fuel just 2 burn
 

peterfrancis

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peterfrancis

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1) Not all petrols are equal, each monufacturer may use different grades and sources of fuel.
2) Contamination whether unintended or malicious (by stations watering down their fuel) is common in MY and causes a lot of cases of bad fuel quality.
3) If you really want to know what fuels are best and highest grade etc, make friends with the sales people for the fuels business from any major petrochemical company - they will tell you if you're good enough friends with them :-P
 

ixeo

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ixeo

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the difference is RON2...

RON97-RON95=RON2
 

l2s_turbo

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l2s_turbo

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What about V-Power Racing? Does it really helps for a turbocharged car? I remember i read somewhere which this guy pumps V-Power Racing, his car feels more heavy than other types of fuel.. And can we mix V-Power Racing with Ron95/Ron97?