Diyvehiclerepair
Octane - page 2
Why is it called gas 87?
What does the 87 on gas mean? The higher an octane number, the more stable the fuel. Retail gasoline stations in the United States sell three main gra...
What octane is premium?
Is 91 octane considered premium? Premium gasoline is generally considered any type of gasoline with an octane level of 91 or greater, with 91 octane a...
87 and 91 gas?
What happens if I mix 91 and 87? Yes, drivers can mix the two types of fuel. The combined gas types will result in an octane level somewhere in the mi...
Can you use octane 89 or octane 91 on a 2001 3.8 v 6 firebird?
What happens if you use 89 octane instead of 91? If the octane rating is less than 91, you could damage the engine and may void your vehicle warranty....
Why do i have spark knock in my 2004 Pontiac grand prix with v6 engine and can you use octane booster the car has 18000 miles?
Will octane booster stop knocking? Engine knocking often occurs when the air-fuel mixture is incorrect. To counter this, you can add an octane booster...
What kind of gas should you put in the 2010 challenger srt8?
What gas does a Challenger SRT8 take? The rest of the 2018 Challenger trims, the R/T, the R/T Scat Pack, the R/T Plus, R/T Plus Shaker 5.7 liter, the ...
Can you use regular gas in a 2006 HHR 2.4 engine?
Can I put regular gas in my HHR? You can always choose 87-octane fuel for the HHR SS anyway, but the engine will adjust itself with a power decrease. ...
Why is mid grade better than unleaded?
What is the point of mid-grade fuel? Using midgrade when you know you will encounter these things could improve performance and economy. Midgrade coul...
Does compression ratio effect octane requirements?
What is the relationship between octane rating and compression ratio? A higher octane rating allows an engine to use a compression ratio of, say, 12-t...
Can you run today's gas in 1960's motors?
Can old engines run on unleaded? To add further to the confusion of the lead phasedown, tests performed by Phillips Petroleum indicate that older engi...
Can you use premium gas or super unleaded gas in a street motorcycle?
Is it OK to put premium gas in a motorcycle? Can You Mix Premium and Regular Gas? Although you can mix regular and premium, there is just no reason to...
Do you use premium or regular gasoline in a 2001 Yamaha breeze 125cc?
Should I run premium gas in my ATV? Nonetheless, most ATVs guzzle regular 87 octane gasoline but can perform optimally with the pricier 91 or 89 octan...