![]() ![]() ![]() A separate JB4 Mobile app purchase is also required. Both options allow you to record and analyze vehicle and tuning data, change JB4 performance maps, and update JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development. ![]() Wirelessly connect the JB4 to your Bluetooth 4.0 compatible iOS and Android device via the JB4 Mobile connect kit, or to your Windows laptop with the BMS data cable. The higher the octane the higher you can safely raise the boost pressure over stock and the larger the power gain. JB4 is simply the most capable tuning system available for the Nissan Z. The JB4 adds OBDII CANbus for increased performance mapping, a variety of useful features such as data logging, boost by gear, optional fuel control wires for AFR adjustment, and on-the-fly map changes. JB4 features a 64mhz processor allowing sensors to be sampled 1000 times per second using dedicated 10 bit digital to analog converters, ensuring smooth and powerful performance. The end result is something that runs as smoothly as stock only with higher boost targets under heavy throttle. The JB4 manipulates the ECU boost control signals allowing it to modify boost levels but does not manipulate the ECU manifold boost reference, allowing your ECU to properly map timing and fueling for the higher boost levels. The JB4 performance tuner for the new 2023+ Nissan Z is plug and play and attaches to two easy-to-access sensors in the engine bay and works with your factory DME tuning to remap your boost, timing, and fueling for optimal performance and reduced turbo lag. it called nissan GTR.Power gains of up to 100hp and 120tq to the wheels on a stock Nissan Z If you want all these then nissan already released a car for those ppl like you. also nice dash 4 gauge cluster panel that could easily go in place of the useless cubby would be freakin awesome(as well as a good seller) If you could make a gauge and harness combo that could use the factory wide band sensors that would be awesome, as its a waste to not be able to tap into the factory 5v front o2 sensors, and have to install bungs, and adding another sensor to the car. for the twin rails it would be nice to have a packaged kit that had new larger lines, pump, sending unit adapters, regulator and all the fittings needed so you could just have the kit shipped to your garage and put it on in one day without having to order/cut lines or install fittings. for the single line it would be nice if it cleaned up the stock fuel lines in the engine bay so you could just pull the old stuff, pop on the new rails, screw the new hard pipes into the back of the rails, screw the regulator onto that and then have the factory fitting for the stock line so that just snaps in. So far as engine parts, bigger radiator or some add on radiators would be nice, maybe some bigger rails that could come with some extra ports for a gauge, and some nice hard pipe assemblies that could let you run either singe or return line with a fuel pressure regulator(and the little pieces that go in the pump assembly to make that happen). and features like the built in boost control, extra solenoid control, the 2 step rev limiter/launch control, ability to add a map sensor for high boost, and some of the other features the utec had were great if only the damn thing lasted more than a year. if you can get the vvel hammered out, at least a protuner release, and then maybe add a box to it that could do what the turboxs utec does only make it so it doesn't break easily or stop working. We all really want a really nice tunning solution. ![]()
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