The preset map is also suitable for manual cars with clutch longevity in mind.By continuing to use this site, you are agreeing to our use of cookies.Learn More.I thought Id start a thread with JB4 info and so use owners can discuss settings and any issues were might have.
Jb4 Software Manual Cars WithThe unit ships with a base setting in map 1 that increases the boost by 4.0psi over stock that is safe to be used with 91US octane and 95 Ron and up. The typical power gains on this setting are 35whp and 40ft lb. Higher power levels are achievable using the various maps as seen lower down. Jb4 Software Upgrade Process IsInstall instructions: Install instructions can be found here: JB1 to JB4 update instructions can be found here: The upgrade process is explained on this link: Connectivity: To connect to the unit to make changes or do logs you have two options. On some Android devices users have has success connecting using our Data Cable. The App for the handset has a separate charge and can be found in the Google play store or App store as JB4 Connect. Typical gains: The unit ships with a base setting in map 1 that increases the boost by 4.5psi over stock that is safe to be used with 91US octane and 95 Euro. With higher octane accompanied with bolt ons and octane we have seen gains of 85whp and 70ft lb in Map 6. All of this whilst keeping the engines stock fail safes in place. For JB1 users that are upgrading on Map 1 the unit makes the same power with.3psi less boost. Map 2 is set more aggressively and 40whp and 55ft lb can be expected as a minimum. The test group was 48 vehicles across the globe with some users running the JB4 up to 6 months. JB1 vs JB4 comparison map 6: Mods JB4, DP and intake in Map 6. This car was set with a low torque map per customer request with high boost levels at the top rpm. JB4 with intake and some Eth on a stingy Mustang dyno JB4 on streets with dp only Map selection: In order to change the map in the picture below under the logging tab you can pick the required map. Upon shipping the following maps are active: Map 0: Stock with complete pass through i.e. JB4 does nothing Map 1: Tuned map with a average of 4.0psi over stock. This is the shipped map and is compatible for both 91 and 93 and can be used with cars on hardware. Peak boost add is 5.6psi over stock and the map is good for cars running 98Ron and above. It is also the starter map for cars that are running flash tunes and are stacking the JB4. This is also the safety map, so in any circumstance the JB4 detects a unsafe condition regardless of map it will default to this map. This includes knock detection, lean AFR or the boost safety value being triggered due to lack of boost control. The map comes preset with a 5.0psi over stock peak and is ready to use on any car running 93 octane.
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