New Rx8 owner question about gas
02-18-2007, 11:57 PM
#27
Originally Posted by alcimedes
In my experience if you reset the ECU when filling up on a new octane of gas, then give it a full tank to learn, then one more tank to actually drive with you'll get a better idea of what your car likes or does like.
Granted it takes a while to go through three different octane levels at two tanks each this way, but it was worth it in my opinion.
I found that my car ran better on lower octane fuel than on high octane fuel, and got a few mpg higher as well. Your results may vary.
I should also mention that this is only from good gas stations, none of this "Bob's gas shack" crap.
Granted it takes a while to go through three different octane levels at two tanks each this way, but it was worth it in my opinion.
I found that my car ran better on lower octane fuel than on high octane fuel, and got a few mpg higher as well. Your results may vary.
I should also mention that this is only from good gas stations, none of this "Bob's gas shack" crap.
beers
02-18-2007, 11:58 PM
#28
Originally Posted by tksnobords
the compression is 10.1 i only use the highest octane i can get from pump gas stations. but i am tryin to find out anyone information about running higher octane than 93. i have just made a post about the octane levels
beers
02-19-2007, 12:12 AM
#30
Banned
Join Date: May 2006
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Our blue likes premium - perfers Chevron, Exxon and shell, will accept mobil and 76 if followed by a tank of Chevron - She has expensive tastes but she is getting good milage if I don't play match my moves with a Mustang or Honda -
02-20-2007, 03:31 PM
#32
2005 Black RX-8 GT 6M
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I use 91 here in California (max octane readily available). The lowest I would ever think of putting in is 89, but the difference is usually only 10 cents a gallon. It really isn't worth it IMHO.
I am not as picky in terms of gas though as long as it is a major vendor. I usually put ARCO in because it is owned by BP and in California gas is pretty regulated.
I am not as picky in terms of gas though as long as it is a major vendor. I usually put ARCO in because it is owned by BP and in California gas is pretty regulated.
02-20-2007, 04:38 PM
#34
Got Another Rotary
Different people have had different experiences with various octanes - test to see what seems to work for you.
I personally always use 93 (US rating)
One thing to remember though - if you do decide to "premix" with 2-cycle, this WILL lower you octane (see link), so I would run at least mid-grade if you do premix.
http://www.rotaxservice.com/rotax_tips/rotax_feed2.htm
I personally always use 93 (US rating)
One thing to remember though - if you do decide to "premix" with 2-cycle, this WILL lower you octane (see link), so I would run at least mid-grade if you do premix.
http://www.rotaxservice.com/rotax_tips/rotax_feed2.htm
02-20-2007, 05:24 PM
#35
Power!!
Originally Posted by Behn
I prefer 93 because it makes me feel cooler than buying 87. 
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