I run both. The JB4 makes considerably more power. They both do different things and are a good combination to run on a 2.3l but if you have a 2.7 I would just buy a custom tune.
As of 90 minute ago
Just following up --
Unfortunately, we are still unable to tune the Bronco 2.3L. We wanted to double-check with Adam in case anything had changed, but there are not updates to provide. The same is true of the fuel system—unfortunately we won’t be able to test it until we...
I had a tank full of E30 when the turbo was installed. At full throttle at around 3800 rpm the pump couldn't keep up with the volume requirements- once I went back to E93 no issues at all. I feel the same way about lacking a custom tune but honestly if things never get better I am still very...
Now running CV-Fab's 2.3 downpipe with a CRP 57mm stage 4 turbo. The downpipe's sound really improve's the driving experience. Recommended upgrade with supporting modifications.
Maplecrest Ford in Union, NJ just installed a CR Performance Stage 4 57mm impeller turbo along with CVF's new 2.3 catted downpipe on my Bronco
My build is a 5800lb 2 door includes a high mount intercooler, radiator, and uses a JB4 piggy back tuner with water methanol injection, E30 fuel, and...