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So I'm writing this to help anyone else who is hearing some noise from their rear end. Starting last winter I began to hear a faint noise similar to tire noise but a different pitch. It would increase and decrease in volume with slowing and accelerating. After a few months, it became a howl. It...

I know I'm coming in late here,but get your trucks rear end looked at. Mine blew up at 32k miles. Needed a complete replacement and I was hearing the same noise you are.

Yeah I'll pass since my Dana rear end exploded at 32k miles.

I'm not sure. I'm guessing the changes were made for EPA restrictions, however due to Ford constantly updating the tunes I would suffice to believe that they are probably the same. It would be easier to make a tune thats safe for both engines than having to support two seperate tunes. To have to...

In the beginning there wasn't too much information about who was doing the work behind the scenes. As of now, the Procal 4 software that is downloaded from the Ford Perfomance website states it's made by Livernois when you install it. It's also come out within the past year that Livernois was...

Not entirely true. The 2019 to 2021 rangers have a different exhaust manifold and a different turbo design. Hence why exhaust for earlier model years are not compatible.

It's rather well known that the Ford tune is made by livernois. Even when you download the software it says it's from Livernois. I tuned my 2020 Ranger on 9/26/2020. I plugged it back in yesterday and realized that I was on version 1 and they had just pushed version 9 of the tune. Biggest...

I'm guessing that it was carried over from the T6 rangers which are diesels. Probably saves time and money being able to copy a bunch of pages rather than create a new manual from scratch.

Interesting. I will definitely have to check that for sure

Definitely has me lost for ideas. It only happens under WOT at higher revs. I'm not sure why.

I could, however the Dyno shops in my area are good at tuning and not much else. May be worth it however.

Hey guys, I've been trying to diagnose this issue for a while now. I have a 2020 Ranger XLT sport appearance package. I've done work to it, however this noise has been there from the beginning of my mods. When it appeared, the dealer had just done the ford performance tune on it, and the only...