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PetW
12-31-2002, 12:38 AM
What are the advantages to getting different grades of gasoline?
fauxpas
12-31-2002, 12:39 AM
Well there is an advantage in High Octane Gasoline. (it speeds up your car very quickly)
Lissa
12-31-2002, 12:51 AM
I don't think that's true, fauxpas.

I've read in various consumer magazines that unless your car specifies that you MUST use higher octane gas, it's pretty much a waste of money. Performance gained is negligible.
Lure
12-31-2002, 12:54 AM
I'm sure the car mavens of the group will check in,this has been discussed previously.But from all I read,go with the lowest octane that gets the job done.Meaning most regular cars.

Higher octane needs are only for higher compression engines,if my dd on the subject was complete.

Usig a higher octane (higher price) gas means money out the tailpipe,with no corresponding performance enhancement for most people.
PetW
12-31-2002, 01:01 AM
Sorry, I did a quick search on "gasoline" and didn't find anything relevant. I didn't feel like wading through hundreds of fart posts by searching for "gas."
Berkut
12-31-2002, 01:03 AM
Originally posted by fauxpas
Well there is an advantage in High Octane Gasoline. (it speeds up your car very quickly) No.

PetW, this has been discussed several times. Here are some older threads you may want to check out:

Racing fuel in a family car (http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=140963)
Does Premium Gas clean an engine designed for regular? (http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=132690)
Questions concerning premium-grade gas. (http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=131112)
High Octane Gasoline (http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=127724) premium unleaded, worth it or not? (http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=125700)
Ocatane ratings (http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=109479)
Chevron with Techron..... does it really work? (http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=90957)
Using high octane (104+) gas in a regular gas engine (http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=86125)
Regular? Special grade? Premium gas? I should know this by now, but... (http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=70545)
Does it matter which gas I use in my car? (http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=54480)
Does it Hurt to 87 octane in a 93 octane only car? (http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=51952)
Gas Ratings (http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=48484)
What's up with different gasoline? (http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=43726)
More on gas... (http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=34812)
Premium Gasoline (http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=15196)
Is there any difference in gas octane ratings? (http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=13517)

These are but a few of many, many, many, gasoline rating threads.
PetW
12-31-2002, 01:11 AM
Ah... I just realized that I accidently searched for posts no later than yesterday. Sorry about that.
fauxpas
12-31-2002, 01:20 AM
oh...sorry guys. I thought Petw meant like in racing. Im very sorry.