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Hayman · 03-24-2025, 06:49 AM

Question : 5 Star Turner specifically X4 with 3 programs for those of you that installed in a 2018 Ford 6.8 , V10 is it really an improvement , 2019 Open Road 32SA .

Dutch061 · 03-24-2025, 07:52 AM

Minimal gains on any naturally aspirated application. With a really good tune, you might get 10 to 20 HP and a few Ft Lbs. of torque. Will it be noticeable, maybe. Will you see any gains in MPG, nope really doubtful.

I have had tuners on turbo diesel trucks and also one on a turbocharged pickup. Very noticeable improvements but there are more variables that they can remap to make the improvements. I had a 2017 F-150 with a 3.5 Ecoboost that I tuned, noticeable power difference but not much difference in MPG and I had to use premium.

Currently running a bone stock F-250 with a 6.7 and more power than I can use. - Brad

SergioP · 03-24-2025, 04:32 PM

It helped the shifting on my 2018 v-10 6 speed. No better fuel economy. Can’t really tell if it’s any quicker accelerating. At least I can read codes with it and it monitor a few engine parameters.

Squirreld · 03-25-2025, 06:45 AM

I have the 5 star tune in my 6.8L V10, 2016. Not sure if helps on the engine side but the shifts are much better.

Hayman · 03-25-2025, 06:54 AM

Quote:

Originally Posted by Squirreld

I have the 5 star tune in my 6.8L V10, 2016. Not sure if helps on the engine side but the shifts are much better.

Better meaning smoother or lower RPM ? Do you use Tow/Haul Mode ?

Squirreld · 03-25-2025, 07:43 AM

It does not downshift as readily as the stock tune. 6th gear stock tune was essentially useless. Yes I use the T/H mode 80% of the time.

d23haynes57 · 03-25-2025, 08:08 AM

Preventing a downshift really replaces RPM with increased torque and stress to get the same work done. Increases NOx emissions and chance of low-speed pre-ignition. Never seen a V-10 actually just plain wear out from the number of revolutions it made during it life. Have seen melted pistons and spark plugs along with burned valves.

AlanTerry · 03-25-2025, 08:11 AM

Lots of post on this please use the search feature. Only affects the transmission shift points. NO MPG increase.

Dodge Guy · 03-25-2025, 05:47 PM

I had it on my 2002 V-10 Excursion with the 4R100 and now on my 2012 class A V-10 with the 5 speed.
It really helped out with the driveability. The biggest gain is in the shifting, it will hold shifts longer. And with the newer drive by wire systems you get more 1:1 throttle response and a bit more throttle opening. So the gains are worth it. Now with the 6 speed I’ve heard the gains are not noticeable because afore has the trans programming down much better.

Hayman · 03-26-2025, 06:35 AM

Thanks all I have decided to pass based on your input and just be satisfied with what it is much like in my DP days wanting a 600 hp but settling for a 450 hp . It’s the journey not the speed in getting there !