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Old 01-08-2022, 11:25 AM   #1
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UPFord - Power upgrade F53

Anyone used the power tune provided by ultrarv products, called UPFORD - Ford V10 Ultrapower upgrade? I am constantly battling shifting uphill and down that seems unnecessary, somewhat harsh and stress-inducing. I am not too concerned about gaining gas mileage, although that would be a nice benefit. I really just would like a smoother engine experience in my 2011 Sightseer 35J. It seems to want to scream at me sometimes! Thanks in advance...Chris
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Old 01-08-2022, 05:37 PM   #2
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I have the 5-Star tune. It mostly makes my 2017 faster from a start. And it does use a little more gas. However, you have the 5-speed transmission which why you have this problem. I have the 6-speed which came out in 2016. And this makes a huge difference.

I’ve owned RVs with both the 5-sp and the 6-sp and there is a world of difference in the shift mapping.

When I owned the RV with the 5-sp I did not buy the 5-Star, but I’ve been told since that it does wonders for the 5-Sp shifting profile.
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Old 01-09-2022, 01:51 PM   #3
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That's good info...I appreciate it and I think I'll give it a shot! Chris
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Old 01-09-2022, 04:07 PM   #4
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The 5-Star tune helps a lot with the shift patterns on the 5 speed transmission. I don't think it makes a difference on gas mileage or power, but I wasn't looking for that anyway. It does help with that extremely annoying downshift from 5th to 3rd and 4900 rpm at every slight uphill, which to me is worth the price.
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Old 01-10-2022, 08:45 AM   #5
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Originally Posted by wyocamper View Post
The 5-Star tune helps a lot with the shift patterns on the 5 speed transmission. I don't think it makes a difference on gas mileage or power, but I wasn't looking for that anyway. It does help with that extremely annoying downshift from 5th to 3rd and 4900 rpm at every slight uphill, which to me is worth the price.
Thanks for that...that's exactly what I'm concerned about also!
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Old 01-10-2022, 10:14 AM   #6
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I have a 2013 F53 V10 (22k GVW) with the 5 speed trani, and the 5-star tune made a world of difference. Now when I come to a small hill I hear the engine start to growl, but not shift to the high revs. And even on actual hills it drops down to around 3K RPM, not 4-5K! It has more power, and I get slightly better mileage. I also have a ScanGauge display, and the MPG at high RPMs is always lower than at lower RPMs, so the increase in MPG makes sense. All good. Get the 5-star and calm your driving experience. Made the DW happier as well - priceless!
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Old 01-10-2022, 02:33 PM   #7
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Great feedback from all...Yes, I think $500 is worth the wife not screaming at me and demanding why the RV is screaming at her!!! I went ahead with the purchase and look forward to putting the tune in place for our upcoming trip from OK to Key West.
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Old 01-10-2022, 04:13 PM   #8
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I went ahead with the purchase and look forward to putting the tune in place for our upcoming trip from OK to Key West.
Heck, that trip is all downhill you donít even need an engine on the way to Key West. Going home maybe a bit different but hey, itís Key West! Just sell the RV and live there.
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Old 01-10-2022, 04:21 PM   #9
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Quote:
Originally Posted by wyocamper View Post
The 5-Star tune helps a lot with the shift patterns on the 5 speed transmission. I don't think it makes a difference on gas mileage or power, but I wasn't looking for that anyway. It does help with that extremely annoying downshift from 5th to 3rd and 4900 rpm at every slight uphill, which to me is worth the price.
The same for me. It also improves the in town shift pattern. For me it was WELL worth the money.
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Old 01-13-2022, 11:04 AM   #10
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I can say that this tuner was the best $500 spent on my RV. It remaps the transmission shift points and adjusts the timing. It holds a gear longer and does not downshift so early. The timing adjustment increases HP a little, but the trans reprogramming is the most valuable. I have about 5K miles using it and really like what it does.
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