Is AMOCO 87 the best gas to use?

[Alec]

higher octane results in some unburnt fuel which leaves carbon deposits in the upper motor. Even with more detergents in premium gas, these deposits tend to build up over time.

And engine cooling has nothing to do with exhaust temps. Higher exhaust temps and unburnt fuel lead to fouled O2 sensors, dead cats, and stressed exhaust piping.

 

[MattStarr]

Anyone else with any other opinions?? In my old car (1986 buick) i would use fuel additives and cleaners like STP and those type of things....Like fuel injector cleaners and those type of things your pour in the fuel tank. Do you suggest using those additives on my 97 or is my car still "too new"? Thanks!!

 

[Alec]

I try to use a bottle of injector cleaner around every 4-5k miles

 

[X-1]

Im ending my involvement in this debate by saying this, I wouldn't run splat, but I would run any newer stocker, and we would see who,s got stressed pipes, As far as in your head comment, when I went to Automotive school we were taught higher octane the better, of course this is in the early eighties when you built a motor, and not a computer program, I guess I'm a dinosaur

 

[Jason_25]

Originally posted by EXPLODER-1
Im ending my involvement in this debate by saying this, I wouldn't run splat, but I would run any newer stocker, and we would see who,s got stressed pipes, As far as in your head comment, when I went to Automotive school we were taught higher octane the better, of course this is in the early eighties when you built a motor, and not a computer program, I guess I'm a dinosaur

I think what they are trying to say is that in your stock explorer, 87 octane is what is best for performance and longevity. When you start modifying, or "building" the motor, all bets are off.

 

[X-1]

yeah I heard that, to each his own.

 

[VairKing]

Originally posted by Jason_25

I think what they are trying to say is that in your stock explorer, 87 octane is what is best for performance and longevity. When you start modifying, or "building" the motor, all bets are off.

That is exactly what we are trying to say. Your stock motor will run just fine on 87 with no ill side effects. If you modify it or build it up or whatever, you may want to run higher octane so you can advance your timing etc.

 

[X-1]

I still do not agree, maybe its my twenty years in automotive.

 

[aldive]

The only harm is running higher octain than needed is to your wallet.

 

[Robert]

See the Federal Trade Commission's take on higher octane:

Dead Link Removed

 

[X-1]

Very informative, but I still do not see where the higher octane will hurt the motor. I agree with aldive that it only hurts in the wallet.

 

[410Fortune]

This is a funny thread.


How much do you want to bet, the Conoco, Amoco, BP, Texaco, Sinclair, whatever stationsin your area all get their gas from the same refinery? I'll bet you......
Yes the addatives they use makes the difference....I prefer texaco, had good luck with them, I did get what I think was a bad tank of gas at a Conoco once....

I know that 99% of the fuel here in CO comes from the Sinclair refinery in Wyoming, doesnt matter if it's going to Amoco or to the Texaco across the street.

I always have and always will burn 91 oct min in my 93 OHV, and I usually also add some octane booster......

 

[X-1]

410 fortune

Thank you, I agree, and on refinery issue. Yes and no, On the coast there are dealer refineries, such as shell, texaco, etc. Inland I think you might be right though as the refinery around here that was shut down on 9-11 was in Memphis and caused panick around here