SCT Improvements
New User
Joined: Oct 2007
Posts: 7
Likes: 0
Originally Posted by MY4BY
I believe the SCT is worth the money with or without the mileage gains. My truck runs much better with it. Very little turbo lag with the SCT. I have Spartan's tunes and have not had much luck with mileage gains. Maybe 1/2 mpg with the aggressive street economy at the most. 12.5 stock to 13 with SCT. My truck is one of the very few that have not seen a mileage increase. I just received my new general street economy with the EGR enabled. I am looking forward to seeing if this is the magic tune. Either way, I am happy I purchased it. I will report back next week when I see what the new tune brings. THANKS SPARTAN FOR THE NEW TUNE!!!
Hey Matt, If you read this, would the aggressive street file with the egr enabled show better mileage results than the general street economy if driven with a light foot?
Hey Matt, If you read this, would the aggressive street file with the egr enabled show better mileage results than the general street economy if driven with a light foot?
Senior User
Joined: Feb 2007
Posts: 474
Likes: 0
From: Colorado
Pre SCT 14/15 MPG
Post SCT UltraHiway Economy - 18/19 in town or on the road towing 5K
Now testing General Economy that Matt opened the EGR on. I like the shifting Matt!!! MPG on a few tanks posted soon
2007 6.0 PSD F250 FX4
Post SCT UltraHiway Economy - 18/19 in town or on the road towing 5K
Now testing General Economy that Matt opened the EGR on. I like the shifting Matt!!! MPG on a few tanks posted soon
2007 6.0 PSD F250 FX4
Logistics Pro
Joined: Dec 2004
Posts: 3,541
Likes: 5
From: Weatherford Texas.
My engine must be starting to break in at about 13000 mi. my milage jumped from 12.5 to 13 city up to 14 to 14.5 city and that is on the stock tune waiting for matts new egr on general econ to try it out. Is he also changing the aggressive street? as that tune drove my milage way down, ran great but the milage dropped to about 9.5 city and that was babying it.
Tuned
Joined: Mar 2007
Posts: 342
Likes: 1
From: South central kansas
I have been running Matt's mild street economy tune for around 1500 miles now. This is how my mileage has turned out so far.
Stock-11-13 - city
-13-15 - hwy
SCT and full MBRP exhaust w/ cat still in.
-12-14.5 - city
-14.5-17 - hwy
These numbers were in late fall in South central kansas, before winter fuel hit. My hwy miles are now around 15-16 which is still an improvement. I also try to keep it under 2200 rpm all the time, and also drive at or less than 70. I also run 8 oz. of powerservice (white bottle in winter, silver in summer) in every tank of fuel. The mileage increase is not life changing, but with 3.50 diesel every bit helps, and the performance gains are nice. I am thinking about running the hybrid race file for 1000 miles to see the mileage there, but I will wait until the snow season is over. It was slick out the other day and I had a heck of a time not throwing her sideways at the slightest touch of the pedal.
Stock-11-13 - city
-13-15 - hwy
SCT and full MBRP exhaust w/ cat still in.
-12-14.5 - city
-14.5-17 - hwy
These numbers were in late fall in South central kansas, before winter fuel hit. My hwy miles are now around 15-16 which is still an improvement. I also try to keep it under 2200 rpm all the time, and also drive at or less than 70. I also run 8 oz. of powerservice (white bottle in winter, silver in summer) in every tank of fuel. The mileage increase is not life changing, but with 3.50 diesel every bit helps, and the performance gains are nice. I am thinking about running the hybrid race file for 1000 miles to see the mileage there, but I will wait until the snow season is over. It was slick out the other day and I had a heck of a time not throwing her sideways at the slightest touch of the pedal.
Last edited by fireman660r; Dec 7, 2007 at 10:18 AM. Reason: not complete
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Posting Guru
Joined: Mar 2006
Posts: 1,275
Likes: 0
From: Long Island, NY
I have been running the Hybrid tune and my average was 12.7 mpg! I have had a hard time not keepin my lead foot from mashin the throttle at every light. I am trying to be a bit more reserved on this next tank. We will see what happens.
Elder User
Joined: Feb 2004
Posts: 754
Likes: 0
From: Cedar Springs,MI
Originally Posted by skirk55
Do you have to install EGT Gauges and Boost Gauges to run an SCT Programmer?