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Old 07-02-2015, 07:58 PM   #29
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Sarah, jsut be aware that after the tune is loaded to your ecm it may take several engine run cycles till it works properly. The ecm will continue to "learn" and will apply the tune as you continue to drive. A run cycle is just driving as you normally would. On my Lexi I noticed an immediate improvement over the stock shift points, and over several trips it has smoothed out to the point that my rig has gotten "easy" to drive. Hard to explain but it's very noticible, on the good side.
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Hey Grumpy--we finally got the tune loaded this afternoon and it took all of 10 minutes. Since it was dinner time we decided to wait until tomorrow to test drive.
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Old 07-03-2015, 09:43 PM   #30
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I just installed the 5 Star Tune this week on our 2005 31' Thor E-450 Ford V-10. Today was the first day out with the download and I noticed the difference right away. It shifts smoother, holds longer in a higher gear before downshifting and after downshifting on an incline it returned to the higher gear as soon as I peaked the incline (it used to stay in the lower gear for a couple hundred feet after peaking the crest). Towing a Jeep Wrangler with Blue Ox everything and didn't even feel the Jeep behind us. To each his/her own but it worked great for me and was well worth the $400.
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Old 07-04-2015, 04:41 PM   #31
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A smoother shift pattern and less of the over-revving on small hills, etc. That's what we got with our 5 Star tune for a 2004 Ford V-10. As others have said, Big gain is the tranny shift points. Couldn't be happier!
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Old 07-17-2015, 01:05 AM   #32
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Those of you who are happy with the 5 Star Tune, did it work well "right out of the box" or require second or third adjustments?

On a 300-mile trip I did not notice a meaningful difference, though there was some improvement in quicker up-shifting after a climb, albeit inconsistent. I'll try a Tune update in a couple of weeks on a much longer trip.
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Old 07-18-2015, 03:14 PM   #33
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I have been considering the 5 Star Tune for quite some time. I do have one question.

We tow a Jeep Wrangler behind the motor home and press the tow/haul button on the end of the transmission shift lever. When we go down moderate/steep hills or brake suddenly the transmission will down shift. With the 5 Start Tune does the transmission still downshift when going down a moderate to steep hill AND when braking heavily?

My biggest interest in the 5 Star Tune is improvements in the shifting.
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Old 07-18-2015, 10:57 PM   #34
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what do you think the new 6 speed will be like.... hopefully ford fixed that
I do not think it will make that much of a change overall. Most of the time I am in 5th gear about 2500 RPMs which is ok for the torque curve.
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Old 07-19-2015, 08:29 AM   #35
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StringFellow,

For myself while on the open road towing our Jeep Wrangler or motorcycle w/trailer I leave the tranny in normal mode and it takes care of itself. Class-C Ford w/Triton V-10, 31' 2005 Thor. The 5 Star tune makes a world of difference in our RV. I only use 'tow mode' in the city or in stop & go traffic as it seems to give a little more torque on the low end.

Keep in mind that these Ford's may be classified by Ford as "Super Duty E-450" but in reality they are 'light duty' truck frames which I think are designed primarily for local usage hauling loads which would benefit from a tranny/engine tow mode for traffic situations.

I also have a supercharged Chevy Avalanche with reprogrammed ECM and TCM which we used while towing a 25' toy hauler w/motorcycle. I found the same to be true when using tow mode vs regular mode.

That's just me as I know others have differing opinions.
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Old 07-24-2015, 02:04 PM   #36
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Installed 5 Star tune 2 years ago. Two thumbs up for sure. We do a lot cross country travel perfering to be in cruise control as much as possible. Way better shift pattern, no more dropping into 3rd at the sleightest incline. Love it.
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Old 07-27-2015, 06:03 AM   #37
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with our e450 the trans shifts as it should and I don't see a need for a change... the motor is a dog though... according to my math... the class C I got has the less weight per hp and should have more power.. but who know where the torque is at... according to the test hill... it's not enough... it was barely faster the the diesel pusher...only 5 or 6 MPH faster


I I did go up the 6% grade 5 mph faster with the 19.5 swap.. went from 50 to 55 mph
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Old 08-29-2015, 09:05 PM   #38
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Ditto to jmagic, SoFloRV, VAParrothead, and grumpy0374. Just returned from a 5,800-mile trip with an update to the original 5 star tune and it made a huge difference in driving comfort. Mike at 5 star nailed it. Although any mileage benefit was negligible, as others have said, the smoother ride is well worth the cost. I attribute the zero mileage improvement to the fact that I was already near optimum, but it used to require looking out for slight inclines, disengaging the cruise control, babying the accelerator so as to stay in the highest gear up the climb, and resuming the cc after reaching nearly flat ground and attaining my steady 65 MPH (2550 rpm). The tune does all that work now.
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Old 08-29-2015, 09:33 PM   #39
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Correction: that was Chris at 5-Star who updated the tune for me.
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Old 08-30-2015, 12:37 AM   #40
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Quote:
Originally Posted by StringFellow View Post
I have been considering the 5 Star Tune for quite some time. I do have one question.

We tow a Jeep Wrangler behind the motor home and press the tow/haul button on the end of the transmission shift lever. When we go down moderate/steep hills or brake suddenly the transmission will down shift. With the 5 Start Tune does the transmission still downshift when going down a moderate to steep hill AND when braking heavily?

My biggest interest in the 5 Star Tune is improvements in the shifting.
The answer is yes... when using tow/haul the transmission will still downshift when necessary (steep grade, heavy braking, etc.). One big difference is the smoother shifting and use of 4th gear as opposed to skipping from 5th to 3rd. Not nearly as much engine "screaming" and lower RPMs.
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