waynecz

Sophomore Author
Indiana
Posts:219 Points:243,185 Joined:Jul 2012
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Message Posted: Feb 16, 2013 12:30:56 AM
my experience has been you get slightly better fuel mileage, but it NEVER offsets the increas in the price you typically pay for the gasoline
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CORNHICK

All-Star Author
Omaha
Posts:601 Points:272,385 Joined:May 2008
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Message Posted: Feb 15, 2013 11:02:38 PM
why is it when towing you get better mileage with higher octane I have heard of this before.
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PhilnTX

All-Star Author
Dallas
Posts:665 Points:457,185 Joined:Sep 2011
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Message Posted: Feb 15, 2013 12:15:09 PM
When I pull my work trailer, I get better fuel economy when I use either mid or premium.
For everyday driving, I use the cheapest lowest recommended octane level gas.
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Greenrancher

All-Star Author
Indianapolis
Posts:637 Points:251,990 Joined:Apr 2007
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Message Posted: Feb 15, 2013 9:40:20 AM
Use whatever is recommended by the manufacturer.
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WEDDY

Champion Author
Phoenix
Posts:3,381 Points:1,064,245 Joined:Oct 2009
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Message Posted: Feb 15, 2013 8:54:33 AM
I have noticed any difference. Use what the manufacture recommends.
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the1roadhog

Champion Author
Atlanta
Posts:9,949 Points:2,080,630 Joined:Jun 2007
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Message Posted: Feb 14, 2013 8:21:26 AM
Whatever works in your unit
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CORNHICK

All-Star Author
Omaha
Posts:601 Points:272,385 Joined:May 2008
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Message Posted: Feb 14, 2013 2:43:40 AM
which is regular without death- a- nol (ethanol)
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jay93LA

Champion Author
New Orleans
Posts:2,584 Points:626,435 Joined:Aug 2011
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Message Posted: Feb 12, 2013 7:57:25 AM
use regular
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GLM4205

Champion Author
Toledo
Posts:4,182 Points:825,070 Joined:Dec 2010
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Message Posted: Feb 12, 2013 6:01:58 AM
I buy what the owners manual recommends. And that is 87.
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the1roadhog

Champion Author
Atlanta
Posts:9,949 Points:2,080,630 Joined:Jun 2007
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Message Posted: Feb 9, 2013 8:18:51 AM
Whatever the manny sez
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CORNHICK

All-Star Author
Omaha
Posts:601 Points:272,385 Joined:May 2008
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Message Posted: Feb 8, 2013 10:19:00 PM
I once heard from a smart guy that not to buy the cheapest and not the most expensive but the happy medium so I just run that lol
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djp071158

All-Star Author
Detroit
Posts:803 Points:319,725 Joined:May 2012
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Message Posted: Feb 4, 2013 5:31:44 AM
I buy what the owners manual recommends. 97
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twt

Champion Author
Virginia Beach
Posts:8,948 Points:1,022,735 Joined:Mar 2005
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Message Posted: Feb 4, 2013 3:56:00 AM
I buy what the service manual recommends.
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dgsteven

All-Star Author
Los Angeles
Posts:932 Points:233,525 Joined:Oct 2012
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Message Posted: Feb 4, 2013 3:19:30 AM
regular is okay
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PaylessKY

Champion Author
Kentucky
Posts:8,870 Points:1,608,175 Joined:Oct 2008
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Message Posted: Jan 26, 2013 3:26:31 PM
I use what the manual for my car says to use, 87 or higher. I use 87.
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Snowchoux

Champion Author
Missouri
Posts:1,003 Points:145,635 Joined:Sep 2012
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Message Posted: Jan 26, 2013 11:58:25 AM
I bought a car from an old individual years back, she only used premium. I started using regular and always heard a pinging. Why does this happen?
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chipote

Champion Author
Washington
Posts:1,274 Points:392,555 Joined:Nov 2010
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Message Posted: Jan 24, 2013 3:03:11 AM
For my car regular is recommended
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Saab93turbo

All-Star Author
Washington
Posts:509 Points:89,335 Joined:Dec 2012
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Message Posted: Jan 23, 2013 6:32:36 PM
With quite a few cars, premium gas does getter better mileage but the difference is too small to pay for the higher cost. Best bet is to read the manufacturer's recommendation in the owner's manual. Some cars don't take advantage of premium and the owner's manual recommends 87 octane.
For my car, the EPA has 2 mpg ratings. The one with premium gas is the same in the city, 1 mpg better on the highway.
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DrVenture

Rookie Author
New Jersey
Posts:29 Points:46,340 Joined:Aug 2008
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Message Posted: Jan 21, 2013 11:40:30 AM
Here is why premium fuel is much better. YES it is more expensive, but that is because of the extra added additives for better engine performance, and fuel economy. PLUS premium BURNS slower in the motor which will actually increase gas mileage because of the higher octane count. So yes you might pay on a monday a lot for premium, but will not require a fill up until maybe Friday, instead of tues, or weds filling up with Regular because of a few pennies. Many of you WASTE money on much more UNNEEDED things in life to really worry about gas price.
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emtrob2012

All-Star Author
Myrtle Beach
Posts:978 Points:162,280 Joined:Jan 2012
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Message Posted: Jan 20, 2013 3:29:35 AM
prices are too high right now
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PaylessKY

Champion Author
Kentucky
Posts:8,870 Points:1,608,175 Joined:Oct 2008
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Message Posted: Jan 19, 2013 11:50:49 AM
I use 87 octane. The manual for my car states 87 or higher. Premium will not hurt it but will not give better fuel economy.
[Edited by: PaylessKY at 1/19/2013 11:51:41 AM EST]
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CORNHICK

All-Star Author
Omaha
Posts:601 Points:272,385 Joined:May 2008
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Message Posted: Jan 18, 2013 2:04:25 AM
alright I will listen to you guys sorry I am just gonna stick with regular I don't want to waste my hard earned money on "PREMIUM" GAS. Premium sounds like bolgna unless you need it then use it people.
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Jeff1226

Sophomore Author
Flint
Posts:127 Points:8,075 Joined:Feb 2012
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Message Posted: Jan 15, 2013 11:55:04 AM
only regular
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medic6133

Champion Author
New York
Posts:1,198 Points:238,690 Joined:May 2012
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Message Posted: Jan 15, 2013 7:32:18 AM
My car takes premium & that's what I feed her.
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RalphHightower

Champion Author
South Carolina
Posts:3,447 Points:716,205 Joined:May 2011
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Message Posted: Jan 15, 2013 5:59:40 AM
Premium is recommended for my car, so that's what I use.
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CORNHICK

All-Star Author
Omaha
Posts:601 Points:272,385 Joined:May 2008
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Message Posted: Jan 15, 2013 12:18:27 AM
I'm just going to use premium in my car even though it isn't required it may be a placebo effect but I swear my car runs better on it and my friends spend money a lot more stupid than buying the better gas for their cars!
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carinthuist

Champion Author
San Francisco
Posts:2,368 Points:354,190 Joined:Mar 2012
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Message Posted: Jan 14, 2013 10:19:40 PM
in one of my cars premium
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CORNHICK

All-Star Author
Omaha
Posts:601 Points:272,385 Joined:May 2008
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Message Posted: Jan 14, 2013 3:48:29 PM
for me
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CORNHICK

All-Star Author
Omaha
Posts:601 Points:272,385 Joined:May 2008
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Message Posted: Jan 14, 2013 3:48:15 PM
premium only
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CORNHICK

All-Star Author
Omaha
Posts:601 Points:272,385 Joined:May 2008
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Message Posted: Jan 11, 2013 1:37:17 AM
im going to do a average fuel test on all four different grades of gas premium super unleaded, unleaded and e-85 and see what is most cost effective.
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jes

Champion Author
Pennsylvania
Posts:16,295 Points:3,378,225 Joined:Jun 2003
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Message Posted: Jan 6, 2013 8:12:38 AM
Unless the owners manual specifically requires your vehicle to use premium, you're just wasting your money.
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PaylessKY

Champion Author
Kentucky
Posts:8,870 Points:1,608,175 Joined:Oct 2008
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Message Posted: Jan 6, 2013 4:00:46 AM
Check the manual for your vehicle and use what it state you should use.
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Karisholman

Veteran Author
Nevada
Posts:281 Points:186,160 Joined:Oct 2012
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Message Posted: Jan 4, 2013 10:20:08 PM
If you track your mpg it can be helpful to experiment and see if better fuel improves performance or mpg
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CORNHICK

All-Star Author
Omaha
Posts:601 Points:272,385 Joined:May 2008
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Message Posted: Jan 4, 2013 5:47:26 PM
just bought e85 105 octane burns hotter though :(
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dgsteven

All-Star Author
Los Angeles
Posts:932 Points:233,525 Joined:Oct 2012
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Message Posted: Jan 3, 2013 4:11:15 AM
always regular
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DucatiRider

Rookie Author
Maryland
Posts:70 Points:1,200 Joined:Sep 2012
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Message Posted: Oct 3, 2012 9:49:03 AM
It depends on your engine. Higher compression ratio means you need higher octane.
The only difference between grades of gas is the octane -- that is the stability of the gas to avoid detonating as it is compressed in the cylinder.
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PaylessKY

Champion Author
Kentucky
Posts:8,870 Points:1,608,175 Joined:Oct 2008
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Message Posted: Sep 30, 2012 1:16:21 PM
If your vehicle needs premium, use it other wise stay with regular.
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DisMusBeDaPlaz

Champion Author
Tampa
Posts:2,540 Points:593,920 Joined:Sep 2011
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Message Posted: Sep 28, 2012 12:25:29 AM
For my vehicle, to get the performance that is meant to perform, I have to purchase the higher octane.
When people start messing with the mixture that is suppose to go in their vehicles, and becomes sluggish......that should tell you something about the purchase of fuel going into the vehicle.
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CORNHICK

All-Star Author
Omaha
Posts:601 Points:272,385 Joined:May 2008
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Message Posted: Sep 27, 2012 8:32:05 PM
so if i my car doesn't require high octane don't use it ?
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RalphHightower

Champion Author
South Carolina
Posts:3,447 Points:716,205 Joined:May 2011
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Message Posted: Sep 27, 2012 6:07:26 AM
Premium is recommended for my Chevy HHR 2.4L because of the high compression ratio, so that's what I use.
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carinthuist

Champion Author
San Francisco
Posts:2,368 Points:354,190 Joined:Mar 2012
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Message Posted: Sep 27, 2012 1:10:36 AM
yes increse mpg
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ariona14

Sophomore Author
Miami
Posts:103 Points:179,810 Joined:Jun 2012
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Message Posted: Sep 26, 2012 6:43:16 PM
my nissan murano requires premium which is 93 down here in florida since we have 87, 89 and 93 as the 3 grades
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twt

Champion Author
Virginia Beach
Posts:8,948 Points:1,022,735 Joined:Mar 2005
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Message Posted: Sep 26, 2012 10:13:23 AM
Use what your car maker recommends.
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Banjoe

Champion Author
Winnipeg
Posts:4,454 Points:640,620 Joined:Apr 2011
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Message Posted: Sep 26, 2012 8:00:00 AM
Lots of theories on this topic. Good to see some real information amongst the fluff.
Too bad there aren't flags showing the true science comments so the learning folks can just jump to those.
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gvan

Champion Author
Chicago
Posts:21,748 Points:2,863,015 Joined:Dec 2004
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Message Posted: Sep 26, 2012 7:01:41 AM
One viewpoint:
Myth: Premium gas gets better mileage than regular.
Facts: This myth goes back to the 1960s, Mazor says, when only premium gas had detergent, which helps clean the engine and improves its efficiency. However, now all fuel grades have detergents. “Our recommendation is to read your owner’s manual,” says Mazor. “Ninety percent of cars on the road run on regular gasoline.” If you use premium when it isn’t required, he says, the only thing you’re draining is your wallet.
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ivmotorsports

Rookie Author
San Bernardino
Posts:1 Points:5,695 Joined:Sep 2012
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Message Posted: Sep 19, 2012 11:11:45 AM
Use it only if your owners manula requires it
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weddy11

Champion Author
Phoenix
Posts:1,867 Points:458,250 Joined:Dec 2011
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Message Posted: Sep 19, 2012 10:10:16 AM
Use what is recommended for your car. Buying higher octane gas is a total waste of money if your car runs good on regular. No difference in gas mileage from regular to the most expensive.
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Coya843

Rookie Author
South Carolina
Posts:5 Points:200 Joined:Aug 2011
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Message Posted: Sep 18, 2012 11:32:03 AM
My gas economy is so much better with premium fuel vs. regular fuel.
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ultimate

Champion Author
New Jersey
Posts:4,863 Points:1,356,045 Joined:May 2004
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Message Posted: Sep 18, 2012 7:50:14 AM
only if regular makes your car knock
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GLM4205

Champion Author
Toledo
Posts:4,182 Points:825,070 Joined:Dec 2010
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Message Posted: Sep 18, 2012 6:05:22 AM
I agree with oilerfan. See manufacturer's recommendations.
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