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91 octane petrol will ignite at a lower temperature and burn faster, which can cause knocking in an auto engine. Lead compounds were added at one time to raise the octane rating, but recently engines have been redesigned to work on low (<98) octane petrol (or gas in the US colonies)
What else can I help you with?
Can I use Gasoline octane 91 instead of octane 95 for Lexus 350 ES year 2009?
You should be fine with 91 octane. The higher the octane, the more you engine will like it, but 91 octane is enough for your ES 350.
Is there an advantage of using 95 octane over 91 octane?
If vehicle does not "ping" severly on acceleration - no advantage
What fuel grade for 95 Pontiac firebird formula?
91-93 octane premium
How much is the price of diesel in Saudi Arabia?
The 91-octane costs 0.45 riyals per litter and 95-octane is at 0.65 riyals.
Is octane 91 or octane 95 better for Toyota Corolla?
For a Toyota Corolla, using octane 91 is typically adequate, as the vehicle is designed to run efficiently on regular unleaded fuel. While octane 95 may provide slightly better performance in some cases, it is generally unnecessary and does not significantly enhance the Corolla's fuel efficiency or engine longevity. Always refer to the owner's manual for the manufacturer's recommendations regarding fuel grades.
Whats octane is ok for a 95 Riviera?
This vehicle requires Premium Unleaded. You can try using 89 Octane and see if it pings or not. If it does then you will have to move up to 91 Octane. Do not use Regular, as it will cause pre-detonation and may do harm.
Thanks for your answer actually i am in Saudi Arabia here 91 octane and 95 octane petrol available so which petrol i can use for my grand marquis model 2000?
I would use the lower octane unless the vehicle "pings" excessively and if so use the higher octane
What is the difference of 100 times 95 and 99 times 95?
The difference between these is 95.
Which is preferable 91 octane or 95 octane for Chevrolet Cruze 1.8 engine?
Neither. The Chevy Cruze is designed to run on 87 octane regular fuel. Using a higher octane will provide no benefit whatsoever. No more power and no better mileage. In fact it can cause hard starting. It would be a total waste of money to use anything but 87 octane.
What is better for Nissan altema model2005 fuel91 or 95?
if it is a 2.5 4 cyl 87 octane will be fine. The 3.5 V6 recommends 91 but doesn't require it. If it runs good on 87 then that is what i would use. If not use 91 or higher.
What are the factors of 91 and 95?
The factors of 91 are 1, 7, 13, 91 The factors of 95 are 1, 5, 19, 95.
You have Mercedes Benz second hand you want to know which fuel you should use 91 or 95 octane?
Depends on the model/year/engine. Use exactly what the owner's manual lists. If you do not have an owner's manual then contact a Mercedes dealer for the correct octane fuel.
