Latest Flash
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More Turbo
Joined: Feb 2009
Posts: 635
Likes: 13
From: Mt. Salem, NJ
Latest Flash
Had the flash installed today with oil change. Dealer did not complain whatsoever when I asked for the flash. It definitely shifts better, smoother, crisp 1 - 2, 2 -3....downshifting smoother too. Seems like the engine is throatier....more turbo whistle...my imagination?Truck takes off like a raped ape...now its as quick as my 97 7.3! I'm very happy with it. 
5th Wheeling
Joined: Aug 2008
Posts: 37
Likes: 0
From: OHIO
I also had the flash for the shifting issue. It made a world of difference in my truck.
And I also notice a change in the sound of my truck, but I have 16,000 miles on it now so I thought it was just getting broke in.To me it sound more like a Diesel.
And I also notice a change in the sound of my truck, but I have 16,000 miles on it now so I thought it was just getting broke in.To me it sound more like a Diesel.
Thread Starter
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More Turbo
Joined: Feb 2009
Posts: 635
Likes: 13
From: Mt. Salem, NJ
Laughing Gas
Joined: Sep 2010
Posts: 904
Likes: 112
From: Austin, Texas
It has helped most of my shifting issues. I do think my MPG has dropped a little since the flash according to the "lie-o-meter". I was getting about 17 going back and forth to work, now I am getting about 15.5.
Has anyone else seen a drop in MPG's?
-gascan
Has anyone else seen a drop in MPG's?
-gascan
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More Turbo
Joined: Feb 2009
Posts: 635
Likes: 13
From: Mt. Salem, NJ
Too early to tell for me. I'm gonna run it down below 20 miles then refuel and see what the lie-o-meter says.
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Joe Kucinski
Senior User
Joined: Jul 2010
Posts: 436
Likes: 2
From: Salt Lake City, UT
I only have a couple of hundred miles since the trans flash. Definitely a noticeable difference in the lower gears, but I'm still getting a rough 4-5 shift under certain conditions. I've been just waiting a while to let the transmission re-learn. But again, much smoother out of the gate through 4th and it does seem to have more immediate throttle without the delay then "wham!" that it had before.
I'm also seeing a decline in mileage but like I said, I haven't run though one tank of fuel yet so giving it some time...
I'm also seeing a decline in mileage but like I said, I haven't run though one tank of fuel yet so giving it some time...
Laughing Gas
Joined: Sep 2010
Posts: 904
Likes: 112
From: Austin, Texas
I only have a couple of hundred miles since the trans flash. Definitely a noticeable difference in the lower gears, but I'm still getting a rough 4-5 shift under certain conditions. I've been just waiting a while to let the transmission re-learn. But again, much smoother out of the gate through 4th and it does seem to have more immediate throttle without the delay then "wham!" that it had before.
I'm also seeing a decline in mileage but like I said, I haven't run though one tank of fuel yet so giving it some time...
I'm also seeing a decline in mileage but like I said, I haven't run though one tank of fuel yet so giving it some time...
Yup, the shift from 4 to 5 is my problem spot.
Laughing Gas
Joined: Sep 2008
Posts: 1,053
Likes: 11
From: Central NJ
I only have a couple of hundred miles since the trans flash. Definitely a noticeable difference in the lower gears, but I'm still getting a rough 4-5 shift under certain conditions. I've been just waiting a while to let the transmission re-learn. But again, much smoother out of the gate through 4th and it does seem to have more immediate throttle without the delay then "wham!" that it had before.
I'm also seeing a decline in mileage but like I said, I haven't run though one tank of fuel yet so giving it some time...
I'm also seeing a decline in mileage but like I said, I haven't run though one tank of fuel yet so giving it some time...
Anyone come across this before?
Junior User
Joined: Mar 2010
Posts: 59
Likes: 0
Yeah my truck does this itermiittently. They have thrown everything at it to no avail. I am now running a flight recorder for the second time to see if they can log any new data. Mine will sometimes just fall flat on its face when you push the accelerator and is very dangerous if you happen to pull out in front of a truck on a highway expecting to go and it doesn't could get ran over and injured very severely. Makes me scared to wanna drive the truck.
Posting Guru
Joined: Nov 2010
Posts: 1,783
Likes: 1
From: WY
I have noticed that the best acceleration I get is when I push the throttle down about 1 1/2 inches. Flooring the pedal just seems to produce a prearranged, steady, slower than I want, acceleration. IDK
Try it. See if it works. I know we have a built in instinct to mash the pedal down and it should go faster. That doesn't seem to apply with this beast.
Try it. See if it works. I know we have a built in instinct to mash the pedal down and it should go faster. That doesn't seem to apply with this beast.
Laughing Gas
Joined: Sep 2008
Posts: 1,053
Likes: 11
From: Central NJ
I have noticed that the best acceleration I get is when I push the throttle down about 1 1/2 inches. Flooring the pedal just seems to produce a prearranged, steady, slower than I want, acceleration. IDK
Try it. See if it works. I know we have a built in instinct to mash the pedal down and it should go faster. That doesn't seem to apply with this beast.
Try it. See if it works. I know we have a built in instinct to mash the pedal down and it should go faster. That doesn't seem to apply with this beast.