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Old 12-09-2015, 01:22 PM   #15
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Originally Posted by CanAmMick View Post
I installed mine about two weeks ago. Haven't driven it except for a 30 mile test drive, and the shifting was wonderful. It doesn't downshift going up small hills like it use too. The power increase is nice too, but that's not the reason I purchased it.

We'll be heading back to Texas for Christmas, so I 'll see if I get any type of improvement in fuel economy. Not really expecting it, but would be great if I did.
Thank your for sharing! Looking forward to your thoughts post Christmas after your trip to Texas!
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Old 12-09-2015, 01:24 PM   #16
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Originally Posted by NMRVer View Post
Drove my Rv over 6K miles so with the tune. I've no regrets. Better shifting made it worth the money. Horsepower is better, I've not noticed an increase in gas milage.
NMRVer, I appreciate the feedback after 6k and counting!
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Old 12-09-2015, 01:38 PM   #17
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Originally Posted by W3BY View Post
I just had mine installed on a 2006 V10 38'er (only 28K on rig) after driving across the US towing a tandem tow loaded with Harley dresser and a Kia van.

I bought it to alleviate the slow shifting on hills, high RPM in Cruise control on 'bumps' and to get a little better feel to the throttle.

I am happy with my decision to date. I've only driven from SC to MD after the install, but liked the shift points, throttle response.... when you step on the gas you feel like you are actually accelerating (seat of the pants driving).

As for 5 StarTuning..... I called from St. George, SC while driving NB I95 and said I'd like to stop by and get one. They gave me a great irv2 discount price and installed it in minutes. Great guys to deal with.
Thank you for sharing your thoughts from your trip back home! It was my pleasure to install it on your coach while you were here as well as getting to meet the family.
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Old 12-09-2015, 01:39 PM   #18
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+1. Improved bottom end grunt + much better shifting. CC is a little bit of an issue but not enough to make me want to switch back.
Thank you for your thoughts on the bottom end and shifting! I appreciate you sharing with the group!
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Old 12-09-2015, 01:43 PM   #19
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Originally Posted by Z714X4 View Post
On my 2011 the shifting has improved substantially. CC (Cruise Control) will still do the 5th to 3rd screaming downshift once in a while so I either turn CC off for the hills, or while still on, I'll push the pedal a little and help it stay in 4th longer usually avoiding the 5-3 downshift.
No noticeable change in mileage... but then again I don't drive myself nuts by checking MPG too often.

Power feels stronger and it has more get up n go than it did without. But that extra power might cost you some MPG.

IMHO, very worth it!
I appreciate you sharing your experience! Many at the shop notice an increase in economy, myself am the heaviest footed in the group and tend to get the smallest increases no matter if I'm in car, truck or MH. What can I say... I like to get where I'm going.
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Old 12-09-2015, 01:46 PM   #20
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Some say its the greatest thing since...
BUT It only adds 5-15 HP. Torque about the same. See their graphs.
Acceleration shifting is improved, but 5th stays in too long going over hills, losing far too much speed. To get it out of top gear, you really got to give it a lot of gas. When it finally shifts down then MPG really drops. Improvement in MPG, 0 to .1.
$400 for a tuner is a lot of gasoline (now over 200 gallons). Just push the pedal a little more to get the same effect.
The real problem is under powered, over weight RV's. Gas engines have the best torque range NOT in the cruise range.
In 5th are you in manual or cc? With your driving habits, where are you looking for it to shift from 5th? We recently finished our testing with MotorHome Magazine. On another dyno our tune produced +32 hp and +76 lb ft on 87 octane. Article should be in the February issue.
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Old 12-09-2015, 01:53 PM   #21
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Originally Posted by powercat_ras View Post
X3. For Ford 2015 and earlier V10 chassis with 5 speed transmission the combination of slight fuel economy improvement and better management of the automatic transmission gear selection makes it worth the investment.
Thank you for sharing your thoughts on the tuner!!!
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Old 12-09-2015, 02:04 PM   #22
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Reading articles on performance increases of hp and mpg from 5 StarTuning out of SC for Ford V10 Gas. Does anyone have first hand experience with this and any noticed improvements?
Brakeman48, many great thoughts shared by many great members in the thread! If we can be of any assistance we'd be happy to help.
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Old 12-09-2015, 02:18 PM   #23
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Originally Posted by 5star View Post
In 5th are you in manual or cc? With your driving habits, where are you looking for it to shift from 5th? We recently finished our testing with MotorHome Magazine. On another dyno our tune produced +32 hp and +76 lb ft on 87 octane. Article should be in the February issue.
You are saying that your tune down load gives results around 394HP and 533lbs of torque. Is this on just one dyno and coach or is this the results any of us could expect? If this is the norm then I must admit this sounds enticing.
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Old 12-09-2015, 02:58 PM   #24
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You are saying that your tune down load gives results around 394HP and 533lbs of torque. Is this on just one dyno and coach or is this the results any of us could expect? If this is the norm then I must admit this sounds enticing.
It's on multiple rigs over a few different makes of dynos (our own included). You'll see right at 267 rwhp and 332 rwlb ft tuned or 235 rwhp and 257 rwlb ft in stock form.
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Old 12-09-2015, 08:48 PM   #25
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5 StarTuning on Ford V-10

5 Star- I have a 2016 Thor Hurricane Ford F53 with V-10. My question is do I have the 6 speed tranny you are referring to that you are working on the upgrade for? Here is the VIN if that will help.

1F66F5DY9FOA05862

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Old 12-09-2015, 09:13 PM   #26
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No
For the 6 speed tranny the 10th digit should be the letter G
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Old 12-10-2015, 01:10 AM   #27
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It's on multiple rigs over a few different makes of dynos (our own included). You'll see right at 267 rwhp and 332 rwlb ft tuned or 235 rwhp and 257 rwlb ft in stock form.


Does this mean there is an update to my programming, even before I get to take it out?

At what cost are the updates for existing customers?
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Old 12-10-2015, 07:04 AM   #28
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I also read about the tune for several years never got one because I thought my v10 ran very good .aprox 2 months ago I got mine and it did make a big difference. Fist low end torque was better , at 65 mph rpm was 3000, now at 65 rpm ,2600, scan gauge shows almost 2 more miles per gallon. Shifting feels better, pulling toad now I dont even know its back there so yes it is worth the money it cost
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