digisol
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Most car owners will simply refuse to pay more for their fuel when they don't have to but you might want to check out the current batch of fuel offerings in your own vehicle before opting for the generic unleaded.
It's not rocket science or ever argued that a higher octane fuel gives more HP, it simply does, and also does it without buying engine mods or touching a single spanner.
It's always been a fact that some cars prefer a particular brand, and while true to an extent, in these times when several service stations are sometimes fed from the same tanker, it could also be said that some theories are all in your head when saying Car A goes better with Brand B fuel, however there are indeed different fuels being sold and it may be worth the extra few cents to try each in your weapon of choice.
PULP or premium unleaded fuel will make most engines idle smoother, have more power and run cleaner, so why not sell the one fuel I hear, compression ratios and engine design make the differences so vast they would not be able to sell just one.
One I have been using lately is Caltex Vortex, a 98 octane rocket fuel that has done wonders for my own fuel costs and use, and it seems that many other cars also like sipping the stuff, in most cars tried it has shown a huge power increase across the board and cut fuel use by one third or more, not too shabby IMO.
The good old STD unleaded fuel is roughly 87 octane which can change either way depending on the blend or brand, I should also mention that the old leaded Super fuel was about 92 octane for comparison purposes, PULP will come in at 92 - 95 and it's benefits are well known and documented, of course the newer offerings at 98 are showing huge benefits in any V6 or V8 commodore.
To put a view on the RON # good old Methanol comes in at 160, the stuff that burns with an invisible flame, as used in US CART race cars, while it will show a 100% + increase in HP it's a (DO NOT) for the old commodore, it also needs virtually twice the volume of fuel to run so unless your a race engineer don't even think about it, in the old days on race bikes we doubled all jet sizes and then worked from there, but that's a long tuning story, plus it also does not mix with petrol.
One thing that should be noted is that it's never recomended is to mix PULP and petrol together, so if you intend to swap over either drain the tank or use as much of whatever you have before the change as the two are not meant to live together, 5 lit /50 lit PULP would be my own limit, but less would be best.
Most petrol heads have messed with the old BP 100 and similar ratings with good results, and with some expensive aviation blend fuels running over the 100 RON # that are common in many high performance bike and cart engines, high performance outboard engines also appreciate PULP, Shell used to put out a 110 MB fuel that works well in the MX bike etc.
There is a catch with high octane PULP petrol, it loses octane quickly over a matter of weeks, so your 95 may end up being < 90 after a couple months or less, just try to remember that, but cars that do 100k + a day it matters little, diesel fuel also loses it's zap over time, and over a long time it grows a bacterial crap in it that requires treatment, I've had three diesels so it does happen, they still make a winter and summer blend diesel.
I would be interested to see what other users of various fuels have found in respects of fuel use and horsepower, of course the ethanol based fuels are not to be mentioned for obvious reasons.
It's not rocket science or ever argued that a higher octane fuel gives more HP, it simply does, and also does it without buying engine mods or touching a single spanner.
It's always been a fact that some cars prefer a particular brand, and while true to an extent, in these times when several service stations are sometimes fed from the same tanker, it could also be said that some theories are all in your head when saying Car A goes better with Brand B fuel, however there are indeed different fuels being sold and it may be worth the extra few cents to try each in your weapon of choice.
PULP or premium unleaded fuel will make most engines idle smoother, have more power and run cleaner, so why not sell the one fuel I hear, compression ratios and engine design make the differences so vast they would not be able to sell just one.
One I have been using lately is Caltex Vortex, a 98 octane rocket fuel that has done wonders for my own fuel costs and use, and it seems that many other cars also like sipping the stuff, in most cars tried it has shown a huge power increase across the board and cut fuel use by one third or more, not too shabby IMO.
The good old STD unleaded fuel is roughly 87 octane which can change either way depending on the blend or brand, I should also mention that the old leaded Super fuel was about 92 octane for comparison purposes, PULP will come in at 92 - 95 and it's benefits are well known and documented, of course the newer offerings at 98 are showing huge benefits in any V6 or V8 commodore.
To put a view on the RON # good old Methanol comes in at 160, the stuff that burns with an invisible flame, as used in US CART race cars, while it will show a 100% + increase in HP it's a (DO NOT) for the old commodore, it also needs virtually twice the volume of fuel to run so unless your a race engineer don't even think about it, in the old days on race bikes we doubled all jet sizes and then worked from there, but that's a long tuning story, plus it also does not mix with petrol.
One thing that should be noted is that it's never recomended is to mix PULP and petrol together, so if you intend to swap over either drain the tank or use as much of whatever you have before the change as the two are not meant to live together, 5 lit /50 lit PULP would be my own limit, but less would be best.
Most petrol heads have messed with the old BP 100 and similar ratings with good results, and with some expensive aviation blend fuels running over the 100 RON # that are common in many high performance bike and cart engines, high performance outboard engines also appreciate PULP, Shell used to put out a 110 MB fuel that works well in the MX bike etc.
There is a catch with high octane PULP petrol, it loses octane quickly over a matter of weeks, so your 95 may end up being < 90 after a couple months or less, just try to remember that, but cars that do 100k + a day it matters little, diesel fuel also loses it's zap over time, and over a long time it grows a bacterial crap in it that requires treatment, I've had three diesels so it does happen, they still make a winter and summer blend diesel.
I would be interested to see what other users of various fuels have found in respects of fuel use and horsepower, of course the ethanol based fuels are not to be mentioned for obvious reasons.
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