SteveAE
Bend, Oregon
Senior Member
Joined: 02/20/2012
View Profile
 Offline
|
Water-Bug,
I do.
Interestingly, my experience (real world, not science) has concurred with the two other Toyota owners who have posted here.
When towing with my Tundra, I seem to have more power and the fuel economy (not sure if this is the right use for this term at ~10mpg) increases when using premium fuels.
When I am not towing, I am unable to discern a difference.
Besides, the more I pay more for gas, the better my oil company stocks seem to do
Steve
|
beergardens
Calgary, Alberta
Full Member
Joined: 03/18/2007
View Profile
Offline
|
2112 wrote:Kevin O. wrote:I run only 93 in my F150 Ecoboost only because the owners manual says they recommend using it for better performance and towing. Must be because of the turbos?? The extra $6.00 a fill up for 93 octane is worth my piece of mind.
Higher compression, has nothing to do with the turbo's or DI. I get better performance but very little mileage increase while heavy towing with the EB on premium (93). The engine just seems happier. But run regular (87) when not hitched up. No gains with 93 without a load and just a waste of $$$. It does help it run like a bat out of h3ll but a 3 ton hunk of steel shouldn't be doing that 
That piece of mind does have a value so whatever makes you happy 
YMMV
Actually, forcing compressed air into an engine at 15 PSI has the same effect on cylinder pressures as raising the engine's compression would. Turbocharged engines will most often require higher octane fuel (and benefit from it) due to these pressures.
|
montanacamping
Montana
Full Member
Joined: 01/19/2012
View Profile
Offline
|
My truck is chipped so it likes the high octane. I run regular when I am running around but when I am pulling heavy I add an octane additive to my gas tank. I also get way more mpg and power on gas from Colorado than the gas here in Montana.
2009 Jayflight G2
2005 Z71 Burb
2002 GMC 8.1 crewcab
|
Desert Captain
Tucson
Senior Member
Joined: 02/19/2011
View Profile
Offline
|
It is amazing the interesting little tidbits that leak out of one thread that were never disclosed in others. There have been dozens of threads about the Eco Boost, which I think is an excellent engine, but not once in any of them has the fact that they run better on premium been disclosed. An engine that needs premium for optimum performance represents a significant increase in the cost of operation vs one that runs just fine on regular.
You see the same sort of info leakage when people argue about things like slides. According to the pro slide crowd everyone has to have one, they have never had a problem with them and certainly never had any issues with being able to put them out in every site they have occupied. Sift through some of the other threads and it would seem that lots of folks have leaks, mechanical failures and were in sites where they didn't have room to deploy.
This is such a great Forum but sometimes you need to read between the lines, or at least the thread titles to get the whole story... I'm just saying. 
|
Turtle n Peeps
California
Senior Member
Joined: 06/23/2008
View Profile
Offline
|
Desert Captain wrote:It is amazing the interesting little tidbits that leak out of one thread that were never disclosed in others. There have been dozens of threads about the Eco Boost, which I think is an excellent engine, but not once in any of them has the fact that they run better on premium been disclosed. An engine that needs premium for optimum performance represents a significant increase in the cost of operation vs one that runs just fine on regular.
You see the same sort of info leakage when people argue about things like slides. According to the pro slide crowd everyone has to have one, they have never had a problem with them and certainly never had any issues with being able to put them out in every site they have occupied. Sift through some of the other threads and it would seem that lots of folks have leaks, mechanical failures and were in sites where they didn't have room to deploy.
This is such a great Forum but sometimes you need to read between the lines, or at least the thread titles to get the whole story... I'm just saying.
Here is just one. 2nd post
The were several discussions a while back with some saying that DI (Ecoboost) engines don't need premium fuel. I was on the other side of the fence on that one. One person said that the fuel was injected after the compression stroke and that is the reason why. This is not true otherwise the OM would not say to use premium while towing. If you don't use premium while towing the tune pulls a lot of timing out and there goes a lot of power.
Anyway, it has been talked about several times on here.
~ Too many freaks & not enough circuses ~
"Life is not tried ~ it is merely survived ~ if you're standing
outside the fire"
|
|
|
truepath
Minnesota
Full Member
Joined: 11/01/2011
View Profile
Offline
|
Minnesota's required ethanol amounts to a forced subsidy of the ethanol and agribusiness industries. A farmer friend of mine said that the only good thing about it is that it is a farm subsidy that at least requires farmers to produce something (corn).
|
Kevin O.
Connecticut
Senior Member
Joined: 07/18/2010
View Profile
Offline
|
beergardens wrote:2112 wrote:Kevin O. wrote:I run only 93 in my F150 Ecoboost only because the owners manual says they recommend using it for better performance and towing. Must be because of the turbos?? The extra $6.00 a fill up for 93 octane is worth my piece of mind.
Higher compression, has nothing to do with the turbo's or DI. I get better performance but very little mileage increase while heavy towing with the EB on premium (93). The engine just seems happier. But run regular (87) when not hitched up. No gains with 93 without a load and just a waste of $$$. It does help it run like a bat out of h3ll but a 3 ton hunk of steel shouldn't be doing that
That piece of mind does have a value so whatever makes you happy
YMMV
Actually, forcing compressed air into an engine at 15 PSI has the same effect on cylinder pressures as raising the engine's compression would. Turbocharged engines will most often require higher octane fuel (and benefit from it) due to these pressures. Exactly my point! The owners manual states while towing they recommend you use premium fuel.So its worth it to me to just pay the extra $6.00 every fill up. I never know when i might need to tow something so this way i am always prepared and it's still cheaper than buying diesel!!
KEVIN 
DW-Debbie
DS-Tyler 7yrs old
DD-Makayla 4yrs old
MERIDEN,CT
2011 FORD F150 SUPERCREW FX4 Ecoboost w/Max Tow Pkg and 157" wheelbase
2006 SHAMROCK 21ss(Sold)
2012 Keystone Outback 292BH(New)
|
HappyTrails2U2
Tennessee is home but being held hostage in GA.
Senior Member
Joined: 11/11/2009
View Profile
|
therink wrote:Higher octane gas does not enhance engine performance unless either the owners manual calls for it (ie Dodge Hemi), or if the engine has an aftermarket tuner where the timing is advanced.
That is correct. I have a computer programmer for my Truck and when I dial it in for high performance the timing is advanced which requires higher octane fuel. But with some programmers like the one I have it will automatically retard the timing if low octane fuel is used so that the engine won't "ping".
2010 Rockwood Signature Ultra Lite 8315BSS
2003 Chevy Silverado 1/2 Ton Extended Cab
|
Water-Bug
Traverse City, Michigan
Senior Member
Joined: 10/09/2011
View Profile
Good Sam RV Club Member
|
truepath wrote:Minnesota's required ethanol amounts to a forced subsidy of the ethanol and agribusiness industries. A farmer friend of mine said that the only good thing about it is that it is a farm subsidy that at least requires farmers to produce something (corn).
It also drives the cost of feed which increases the cost to produce meat products. Thus the producers of gas are being subsidized by the consumers of meat products. Lower gas prices = higher meat prices.
|
gijoecam
Midwest
Senior Member
Joined: 07/22/2011
View Profile
Good Sam RV Club Member
Offline
|
I burn premium, but I have a tuner installed that requires premium fuel for the tune it has installed on the truck. It allegedly nets me about 15 more ponies and 15 more pound feet at the rear wheels, and it does modify the shift points and firmness as an added benefit. Unloaded, it also nets me a few mpg increase in mileage (and I have the numbers that support that claim, though they're not worth posting the gory details here).
IMHO, if the engine doesn't require it, don't bother.
|
|
|
