JB4 on 2023 2.7 EB

[jakearb]

In case anyone doesn't want to wait however long it takes (or if it even happens with the new ECUs from what I've heard) for 5star, Livernois, etc. to release a tune for the 2023s, I'm pretty happy with the JB4 on map1 91 octane. Adds a significant boost to acceleration and it takes about 5 minutes to install. Feels like the truck should have came like this from the factory.

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[Fenda65]

In case anyone doesn't want to wait however long it takes (or if it even happens with the new ECUs from what I've heard) for 5star, Livernois, etc. to release a tune for the 2023s, I'm pretty happy with the JB4 on map1 91 octane. Adds a significant boost to acceleration and it takes about 5 minutes to install. Feels like the truck should have came like this from the factory.

I am looking at the JB4 for my 22 Tremor, just waiting for it to get outta the shop from replacing the front differential.

 

[jakearb]

Honestly I'd go with an actual tune if I were you, but the JB4 is still great don't underestimate it! I contacted Livernois & 5Star and they both told me that any F-150 produced after 12/2022 is not tunable and likely will not be for quite some time. Ford changed something with the ECU and you'd have to buy a new ECU for Livernois to tune it...so a drive to Michigan and another $1,200 for that route...

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