[22SS1LE]

I dont like paying for 92/93 but since I dont drive it much. I have yet to break 1000 miles and got the car 3+ months ago. 93 in my area isnt to bad. I paid $4.04 yesterday filling it up for the last time and sitting till march/april.
I feel more comfortable just using the rec. vs saving a couple dollars and have it try to adjust to the lower grade.
I mean i look at it just a few months ago I was paying 4.80 for 87 in my tacoma that got worse MPG than the camaro does. So to me still $4 is not to bad of a sting

[Camden45]

I like saving money. I don't like to shoot myself in the foot while doing so. If this was done on a car that was still in warranty with engine problems, and they found out you ran it on 87 it's entire life, well I hope you figured in the cost of paying for repairs out of pocket since your warranty claim would've been denied.

I'll pay the extra 30 cents a gallon instead for peace of mind.

[Gen6cyl]

I drive over 400 miles a week in my v6 and use 93. Runs better, cheap insurance.

[SS_Don]

I want my car to run at its peak performance like it was designed to do. You won’t get that on 87.


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[Camden45]

Originally Posted by Gen6cyl

I drive over 400 miles a week in my v6 and use 93. Runs better, cheap insurance.

It's been tested over and over by independent third parties: Use the gas recommended by the manufacturer. The only time I would use lower than recommended is in an emergency with no choice. The only time I would use more than recommended is when I know the car will see increased strain and potential for knocking. In my case, it's when we go on vacation and need to go up several mountain passes.

Using the recommended gas helps ensure not only performance, but the rated mpgs and durability of the engine.

Manufacturers would love to use 87 in all instances if they could. A car requiring 91/93 octane is not a selling point to anyone.

[Gen6cyl]

Lgx and lt1 have same compression. Years ago a lgx tuner recommended 93. I have use 87 and 93 . It runs better on 93.

[JimRockford]

Originally Posted by GXP08jrf

I think this equates to $200 a day plus expenses.

Ha, YES, Angel Martin

Rockfish is 100% why I selected my first car to buy (used in 1982): A 1977 firebird 305, horrific dark brown paint. leaked transmission fluid massively through the throttle-valve-cable unless parked upwards on a hill.

[s346k]

nicotine is a good appetite suppressant. you should trade eating for smoking cigarettes and get back to us in 6 months to tell us all the money you saved by not eating.

we'll wait.

[Gen6cyl]

Originally Posted by s346k

nicotine is a good appetite suppressant. you should trade eating for smoking cigarettes and get back to us in 6 months to tell us all the money you saved by not eating.

we'll wait.

Very good. I like that.

[Rock-It Man]

Originally Posted by Zr8000

Most people aren’t going to drive a million miles in their life time

Really?

Commuting alone, I racked up that many miles over 30 years. Another half million for pleasure.

I don't think that's exceptional, and I'm not done yet.

Recently, the difference between regular and premium has increased to more than 10%, but over most of my driving life it was closer to 5%.

Oh and BTW, regular does not contain more energy than premium. Read here:

https://engineering.mit.edu/engage/a...ular-gasoline/

[Gen6cyl]

Higher octane makes fuel less volatile so the ecu can advance ignition timing =for more compression at ignition= more power. I think.

[Zr8000]

Originally Posted by Rock-It Man

Really?

Commuting alone, I racked up that many miles over 30 years. Another half million for pleasure.

I don't think that's exceptional, and I'm not done yet.

Recently, the difference between regular and premium has increased to more than 10%, but over most of my driving life it was closer to 5%.

Oh and BTW, regular does not contain more energy than premium. Read here:

https://engineering.mit.edu/engage/a...ular-gasoline/

Most people drive around 15,000 miles a year if that. Look at how most car leases are structured, it’s in the 12-15k per year range. If people were driving a ton there would be lots full of 3-4 year old vehicles with close to 100k miles on them and there aren’t. It will take 50 years to hit a million miles driving 20,000 every year. It will take 66 years to hit a million miles driving 15,000 every year.

[6spdhyperblue]

Originally Posted by JimRockford

New 1SS was $41k.
Here's the math that shows how i paid for it by running 87 octane when premium recommended, in 10 of the 30 or 40 new cars I've owned & dailied.
5 Z28s plus 1 GTO, plus 4 volvos, all recommending premium gas.
100k miles on each, about 20 mpg all around.

math. 10 daily-driver cars, 100k miles on each, all recommending premium but run on 87 octane except during super-hot weather or when i want max torque on tap. zero engine issues occurred on all of the vehicles. This analysis ignores the fact that 87 octane gives BETTER mpg on GM V8s for steady highway driving than premium, due to more energy available per gallon. (Not so for the smaller volvo motors however, or my 4 honda civics).

That's 1 million miles, with savings per gallon between 20 cents and $1 per gallon.

1 million miles / 20 mpg = 50,000 gallons of gasoline consumed

lets say 50 cents per gallon savings by using one octane-level lower, or $1 less for using two octane-levels lower:

50,000 gallons x 0.50 savings per gallon = $25,000 .
50,000 gallons x 1.00 savings per gallon = $50,000 .
New 1SS was $41k.

(Get started asap folks racking up those driving miles, this approach won't work for future electric camaros - its not going to save money to charge an EV camaro on 90 VAC instead of 110 VAC.) |

More mpg on 87? Lol dear god

[Jus Cruisin]

This has to be the weirdest thread I have ever run across....