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re: Premium gas benefits

Posted on 12/18/15 at 10:07 pm to
Posted by Adam4LSU
Baton Rouge
Member since Mar 2008
13760 posts
Posted on 12/18/15 at 10:07 pm to
premium gas is nothing more than higher octane fuel. Engines that are higher compression and designed to run on it will suffer detonation or "knock" if ran on lower octane.
Posted by windshieldman
Member since Nov 2012
12818 posts
Posted on 12/18/15 at 10:09 pm to
My 08 Silverado works great with regular cheap gas.
Posted by 7thWardTiger
Richmond, Texas
Member since Nov 2009
24670 posts
Posted on 12/18/15 at 10:23 pm to
My vehicle requires 89 but I run 93 because that's what I have it tuned for. Your owners manual will tell you what fuel is used.
Posted by Napoleon
Kenna
Member since Dec 2007
73203 posts
Posted on 12/18/15 at 10:25 pm to
High compression engines need it to prevent pre-ignition, but can get away with 87 most times.

Also certain Toyota engines run a better program when they detect 91 octane or better. Specifically the 4.0L V-6 in the Tacoma.

Try it if you have one, just one tank.
This post was edited on 12/18/15 at 10:28 pm
Posted by Napoleon
Kenna
Member since Dec 2007
73203 posts
Posted on 12/18/15 at 10:26 pm to
quote:

Towed to infinity dealer. Almost $500 Bucks later, I was officially told I was a dumbass for doing that shite.




What was the actual problem they fixed?

$500 seems like a cheap repair for working on the Engine of an Infinity.
Posted by Oates Mustache
Member since Oct 2011
26035 posts
Posted on 12/18/15 at 10:28 pm to
quote:

If this was a weekday during work, your an anus would be obliterated




Being from Arkansas and driving a woman's wannabe Hummer, this is probably already happening.
Posted by chinhoyang
Member since Jun 2011
25600 posts
Posted on 12/18/15 at 10:30 pm to
quote:

I give a hummer


FIFY
Posted by Bullfrog
Running Through the Wet Grass
Member since Jul 2010
60350 posts
Posted on 12/18/15 at 10:32 pm to
Idk. That's been a while. Prolly sea foam like treatments.
Posted by chinhoyang
Member since Jun 2011
25600 posts
Posted on 12/18/15 at 10:42 pm to
Most cars will run fine on 87 octane. The only car we put premium case in is a 69 Chrysler 300 with a 440. The unleaded is the problem for old cars more so than the octane (in most cases).
Posted by CaptainBrannigan
Good Ole Rocky Top Tennessee
Member since Jan 2010
21644 posts
Posted on 12/18/15 at 10:45 pm to
quote:

06 H3 Hummer
quote:

top end vehicles, 




You think your decade old ladies Chevy is a top end vehicle?
Posted by Walt OReilly
Poplarville, MS
Member since Oct 2005
124694 posts
Posted on 12/18/15 at 10:49 pm to
I use premium in my landrover

Two years ago I was spending close to 5 bucks a gallon to get 12-15 miles. It was depressing. Really thought about trading it in for something else.
Posted by Pepe Lepew
Looney tuned .....
Member since Oct 2008
37953 posts
Posted on 12/18/15 at 10:49 pm to
Do you know anything about octane?

Octane rating tells us how fast or slow gas ignites in the cylinder, fwiw
Posted by CaptainBrannigan
Good Ole Rocky Top Tennessee
Member since Jan 2010
21644 posts
Posted on 12/18/15 at 10:50 pm to
quote:

Towed to infinity dealer. Almost $500 Bucks later, I was officially told I was a dumbass for doing that shite.


You are really a dumbass for towing your car to the dealership for a dead battery.
Posted by Napoleon
Kenna
Member since Dec 2007
73203 posts
Posted on 12/18/15 at 10:53 pm to
quote:

The only car we put premium case in is a 69 Chrysler 300 with a 440. The unleaded is the problem for old cars more so than the octane (in most cases).


Aviation fuel is the best for Old cars, 100 octane Low Lead.

Expensive but they were made to burn lead.
Posted by chinhoyang
Member since Jun 2011
25600 posts
Posted on 12/18/15 at 10:56 pm to
quote:


Aviation fuel is the best for Old cars, 100 octane Low Lead.


The 300 runs like a bear with some Avgas.

It would be an interesting thread - what additives do you put in the tank (especially on old cars).



Posted by Napoleon
Kenna
Member since Dec 2007
73203 posts
Posted on 12/18/15 at 10:58 pm to
I had a 67 Stang with the 289 and it was like a whole new car the first tank of Avgas I put in it.

It was only like $1.75 a gallon then (late 90's)

Posted by chinhoyang
Member since Jun 2011
25600 posts
Posted on 12/18/15 at 11:00 pm to
It is now illegal to buy avgas for non-aviation purposes from airport fuel suppliers - but I've seen some cars at the av gas pumps on occasion.
Posted by Calvin Candie
The Cleopatra Club
Member since Dec 2014
485 posts
Posted on 12/18/15 at 11:05 pm to
Premium burns cleaner and will leave less carbon behind. Take apart the fuel injection systems of 2 identical cars with the same mileage, one using 87 and one 93 for the mileage duration. The one using 87 will be much nastier and gunked up than the other.

If you plan on keeping it for 200k miles then I would buy 93. Some high performance cars will throw a check engine light for an injector pulse issue if you use 87.
Posted by A man and his truck
River Oaks
Member since May 2015
145 posts
Posted on 12/18/15 at 11:24 pm to
I live in Texas but root for the Razorbacks
Posted by A man and his truck
River Oaks
Member since May 2015
145 posts
Posted on 12/18/15 at 11:28 pm to
the hummer is a bad arse vehicle. People who bash my hummer or hummers in general do not know much on cars
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