LOTS of chick questions about gas, and mileage and performance, etc
11-26-2014, 10:50 AM
#1
LOTS of chick questions about gas, and mileage and performance, etc
So I got my 14 bone stock STX, lifted it, fender flares, wheels/tires etc.
Now that I am ALMOST done with cosmetics I am going to buy a tuner/tunes and I have a few general questions about performance and GAS!
I have said it a hundred times, I drive like a granny so I don't get the very worst MPG. I don't "off-road" and I don't ever go WOT.
When I buy gas, why would I buy one octane over another? If 85 or 87 is a lot cheaper why would I buy anything else. That said, after 1000 miles of 87, I filled her with a tank of 91 and I "FELT" like she woke up! Sounded better and seemed to be peppier. I will be the very first to admit that my very well have been psychological!
Should I avoid going back and forth from one octane to another?
When I buy my tunes most of them will focus on economy (any suggestions GREATLY appreciated)
But, hey I am still human... I'll get a performance or two
Thank you all SO much !!
Kat
PS. ... Will be blacking out all logos, and installing blacked out head and tails too!
Now that I am ALMOST done with cosmetics I am going to buy a tuner/tunes and I have a few general questions about performance and GAS!
I have said it a hundred times, I drive like a granny so I don't get the very worst MPG. I don't "off-road" and I don't ever go WOT.
When I buy gas, why would I buy one octane over another? If 85 or 87 is a lot cheaper why would I buy anything else. That said, after 1000 miles of 87, I filled her with a tank of 91 and I "FELT" like she woke up! Sounded better and seemed to be peppier. I will be the very first to admit that my very well have been psychological!
Should I avoid going back and forth from one octane to another?
When I buy my tunes most of them will focus on economy (any suggestions GREATLY appreciated)
But, hey I am still human... I'll get a performance or two
Thank you all SO much !!
Kat
PS. ... Will be blacking out all logos, and installing blacked out head and tails too!
11-26-2014, 12:17 PM
#2
Senior Member
Regarding fuel octane ...
DON'T BUY 85 octane. Stick with the recommended minimum - 87.
Regarding tunes ...Opt to get a selection of performance and economy tunes. While the PCM can adjust for 91 octane to gain a small measure of performance, IMO it's more betterer to stick with 87, unless you know you're going performance for a full tank.
Since you indicate that you "don't ever go WOT" inform whoever you buy the tuner from of this (as well as you other normal driving styles) and consider a 87 octance performance tune. Trust me you won't notice the small difference in HP.
Regarding mod's you've had done ...Since you indicate that you "don't ever go WOT" inform whoever you buy the tuner from of this (as well as you other normal driving styles) and consider a 87 octance performance tune. Trust me you won't notice the small difference in HP.
They (lift, wheels/tires) did NOTHING to your intented goal of increasing MPG, in fact they actually reduced (possibily substantially) what you're trying to achieve MPG-wise.
I realize it's probably (?) a cosmetics, preference but, just saying.
I realize it's probably (?) a cosmetics, preference but, just saying.
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Katrina B (11-26-2014)
11-26-2014, 12:22 PM
#3
Thank you Joe!
And yes I know that most of my mods are hurting my fuel economy! I am sure we will all agree that if someone buys and mods a 5.0 truck LOOKING for good MPG, they're too dense to have a drivers license.
Believe it or not I can get 17 MPG right now, but I need to calibrate the tranny and speedo, shift pattern etc to compensate for my new set-up.
Just for fun my goal is to get 18 MPG
Thanks again for the input
Kat
And yes I know that most of my mods are hurting my fuel economy! I am sure we will all agree that if someone buys and mods a 5.0 truck LOOKING for good MPG, they're too dense to have a drivers license.
Believe it or not I can get 17 MPG right now, but I need to calibrate the tranny and speedo, shift pattern etc to compensate for my new set-up.
Just for fun my goal is to get 18 MPG
Thanks again for the input
Kat
11-26-2014, 02:59 PM
#4
Senior Member
I'm averaging around 15 mpg combined on an 87 economy tune. I have yet to run the 91 performance tune, so we shall see on next fill up.
