Driving Style
Postmaster
Joined: Oct 2006
Posts: 4,171
Likes: 12
From: SE Texas
Originally Posted by super 6.8
The question is how long does it take before the a/f mixture gets closer to 12.5:1?
I am not disputing what you say, but it will heat up real quick with any kind of load at 14.7:1.
Even so, it does not save that much fuel by staying out of the throttle. But then again, a small percentage (10%) of a small number (10mpg) is a really small number.
I am not disputing what you say, but it will heat up real quick with any kind of load at 14.7:1.
Even so, it does not save that much fuel by staying out of the throttle. But then again, a small percentage (10%) of a small number (10mpg) is a really small number.
JL
Fleet Mechanic
Joined: Oct 2004
Posts: 1,396
Likes: 107
From: Southern KS
How do the tuners extract so much power?
A richer mixture by itself does not equal more power. Running on the ragged edge with a lean tune will give you more power. Maybe that is why people are finding that the 3v v10 is such a well tuned machine.
Have you seen dyno runs back up huge gains with a cookie cutter tune?
I would consider buying a tuner but it seems the consensus on this forum is they don't add that much if any at all. I had a Superchip controller on my 99 and the only benefit was tranny control.
A richer mixture by itself does not equal more power. Running on the ragged edge with a lean tune will give you more power. Maybe that is why people are finding that the 3v v10 is such a well tuned machine.
Have you seen dyno runs back up huge gains with a cookie cutter tune?
I would consider buying a tuner but it seems the consensus on this forum is they don't add that much if any at all. I had a Superchip controller on my 99 and the only benefit was tranny control.
Hotshot
Joined: Mar 2007
Posts: 10,101
Likes: 40
From: Pa
The best mileage I've ever got out of my truck was babying the hell out of it. It was a humid morning and it was dark yet and I was driving to up state PA on back roads over mountains in the fog. I was running the A/C on low. I would take off slow and use a very light throttle and up the mountains I would just let the speed drop sometimes 20+ mph drop. I got 15mpg.
With flogging the truck on the highway, idleing, wide open runs to 80 mph and 75-90 mph up hills on the highway I will get 9.5mpg.
Babying the go pedal helps in mpg for me, but it gets old quick.
With flogging the truck on the highway, idleing, wide open runs to 80 mph and 75-90 mph up hills on the highway I will get 9.5mpg.
Babying the go pedal helps in mpg for me, but it gets old quick.
Postmaster
Joined: Oct 2006
Posts: 4,171
Likes: 12
From: SE Texas
Originally Posted by super 6.8
How do the tuners extract so much power?
A richer mixture by itself does not equal more power. Running on the ragged edge with a lean tune will give you more power. Maybe that is why people are finding that the 3v v10 is such a well tuned machine.
Have you seen dyno runs back up huge gains with a cookie cutter tune?
I would consider buying a tuner but it seems the consensus on this forum is they don't add that much if any at all. I had a Superchip controller on my 99 and the only benefit was tranny control.
A richer mixture by itself does not equal more power. Running on the ragged edge with a lean tune will give you more power. Maybe that is why people are finding that the 3v v10 is such a well tuned machine.
Have you seen dyno runs back up huge gains with a cookie cutter tune?
I would consider buying a tuner but it seems the consensus on this forum is they don't add that much if any at all. I had a Superchip controller on my 99 and the only benefit was tranny control.
The only persons I would trust(other than myself,and a few select persons) to tune my vehicles are certain SCT dealers,and certain Diablo dealers. I've heard good about the Sniper products,but have yet to personally test them to see how well they work. There's alot more to the picture when modifying one of these trucks,and the majority of the parts on the market don't do anymore than make the vehicle lighter-simply by lightening the wallet of the owner. As for dyno..I'm working on making time to get over to my friend's shop and do some before/after pulls to show you guys how bad the OEM tune is,the gains from a good tune,and also the effects the CAI kits have on the accuracy of the MAF on these trucks.All in due time.
JL
Senior User
Joined: Dec 2006
Posts: 220
Likes: 0
From: Oxford, NC
Heck, I've driven my V10 like I stole since I bought it with 15k on the clock. It now has 106k and no matter how I drive it the milage averages 12.5mpg. I love driving this thing like a 6k lb racecar. This weekend it'll get new plugs and a fuel filter so the milage may go up or atleast the BSEG will get bigger 
Mountain Pass
Joined: Nov 2005
Posts: 239
Likes: 9
From: moreno valley calif
my wife drives very aggresively..she averages 9 city..maybe 12 hwy..she is not a smooth driver...when i drive..i get maybe 11 city but 15 to 17 hwy...but im always conserving speed and being smooth with the pedal...my wife has tried but she cannot match my numbers
Former Vendor
Joined: Sep 2000
Posts: 2,627
Likes: 76
From: South Carolina
As for dyno..I'm working on making time to get over to my friend's shop and do some before/after pulls to show you guys how bad the OEM tune is,the gains from a good tune,and also the effects the CAI kits have on the accuracy of the MAF on these trucks.All in due time.
JL
JL
Again great posts Johnny.
Postmaster
Joined: Oct 2006
Posts: 4,171
Likes: 12
From: SE Texas
Originally Posted by fordmdb
I would like to add what Johnny says is spot on everything he has posted. Also, I am working on getting some comparisons for the mentioned above.
Again great posts Johnny.
Again great posts Johnny.
It's difficult sometimes-the internet is so full of half-truths,myths,and down right lies-mostly from vendors that like ignorant customers. Ignorant customers tend to buy whatever they're told to.
JL
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Freshman User
Joined: Feb 2008
Posts: 46
Likes: 0
From: North Carolina
Well. the honeymoon is over . After three tankfulls avg 13.5-14 mpg my last tankfull got 12 mpg. I did drive a bit more agressively with this tank than I had been previously. I also got this gas at a different gas station. I noticed that I had a noticable amount of spark knock under load with this gas. I will be going back to my usual station on my next tank and continue to drive like I want to and see if it was the gas or the driving.
Chad
Chad
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