5 star tuning
Fleet Owner
Joined: Mar 2003
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From: Blue Hill Township
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Posting Guru
Joined: Dec 2011
Posts: 1,247
Likes: 3
From: monroe ct
I knew the 4th gear part. It usually shifts 1-2-3-5-6. There is definitely a difference between 4 and 5 gear but the whole, "it lets your truck use all its gears" is a little deceiving as far as advertising that for a tuner.
Cargo Master
Joined: Jan 2009
Posts: 2,769
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From: Lubbock
The 5r is actually a 6 speed tranny. It does only 5 of the 6 forward gears but it is based on a bunch of different things like tow haul mode, temprature demand etc.
Cargo Master
Joined: Jan 2009
Posts: 2,769
Likes: 8
From: Lubbock
This is from one of bismic's very detailed posts reguarding the torqueshift.
Torqshift Gearing:
These are the numbers for an 05-07:
1st: 3.114 to 1
2nd: 2.218 to 1
3rd: 1.545 to 1
4th: 1.096 to 1
5th: 1 to 1
6th: 0.712 to 1
Rev: 2.88 to 1
These are for the 03-04:
1st: 3.09 to 1
2nd: 2.2 to 1
3rd: 1.583 to 1
4th: 1.096 to 1
5th: 1 to 1
6th: 0.712 to 1
Rev. 2.88 to 1
From Matt at Spartan:
1st Gear applies the Forward, Low-Reverse, and Coast Clutches.
2nd Gear applies the Forward, Low-Reverse, and Overdrive Clutches.
3rd Gear applies the Forward, Intermediate, and Coast Clutches.
4th Gear applies the Forward, Intermediate, and Overdrive Clutches.
5th Gear applies the Forward, Direct, and Coast Clutches.
6th Gear applies the Forward, Direct, and Overdrive Clutches.
Essentially, the transmission basically operates as a 3-speed transmission with a gearsplitter, (the splitter being the overdrive pack).
1st gear is Low; 2nd gear is Low-"Over".
3rd gear is Intermediate; 4th gear is Intermediate-"Over".
5th gear is Direct; 6th gear is Direct-"Over".
Primary shift strategy shifts in the following order: 1-2-3-5-6. 4th Gear is skipped.
The only conditions under which 4th gear is actually used is under certain specified tow-haul downshifts; and primarily, cold-shift strategy.
Cold shift strategy is as follows: 1-2-3-4
Cold shift strategy is only used when the transmission fluid temperature is below 5deg.F
Torqshift Gearing:
These are the numbers for an 05-07:
1st: 3.114 to 1
2nd: 2.218 to 1
3rd: 1.545 to 1
4th: 1.096 to 1
5th: 1 to 1
6th: 0.712 to 1
Rev: 2.88 to 1
These are for the 03-04:
1st: 3.09 to 1
2nd: 2.2 to 1
3rd: 1.583 to 1
4th: 1.096 to 1
5th: 1 to 1
6th: 0.712 to 1
Rev. 2.88 to 1
From Matt at Spartan:
1st Gear applies the Forward, Low-Reverse, and Coast Clutches.
2nd Gear applies the Forward, Low-Reverse, and Overdrive Clutches.
3rd Gear applies the Forward, Intermediate, and Coast Clutches.
4th Gear applies the Forward, Intermediate, and Overdrive Clutches.
5th Gear applies the Forward, Direct, and Coast Clutches.
6th Gear applies the Forward, Direct, and Overdrive Clutches.
Essentially, the transmission basically operates as a 3-speed transmission with a gearsplitter, (the splitter being the overdrive pack).
1st gear is Low; 2nd gear is Low-"Over".
3rd gear is Intermediate; 4th gear is Intermediate-"Over".
5th gear is Direct; 6th gear is Direct-"Over".
Primary shift strategy shifts in the following order: 1-2-3-5-6. 4th Gear is skipped.
The only conditions under which 4th gear is actually used is under certain specified tow-haul downshifts; and primarily, cold-shift strategy.
Cold shift strategy is as follows: 1-2-3-4
Cold shift strategy is only used when the transmission fluid temperature is below 5deg.F
4wd High
Joined: May 2012
Posts: 9
Likes: 0
+ 1 on the SCT from Mike. It definitely woke up my 08 F350 6.8. The throttle response improvement alone is worth the money, but the transmission shift points are crisper and the engine is noticeably snappier. Money well spent.
Senior User
Joined: Nov 2004
Posts: 340
Likes: 0
Another really nice thing about the tuner. Gear shifts are greatly improved.
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