Quote:
Originally Posted by EnjoixE92
now running hard with JB4 switching from map 2 to 5 and map. for some reason im boosting 14.5-15 PSI is this normal foshizzle? all I got is 93 octane in the car and nothing else.
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That sounds about rite.
Map 2 should max at 14.5 and map 5 will vary between 11-16 max depending on mods. Eventhough 14psi is around the same max as overboost, it's still more powerful (as you can tell) because the jb4 advances timing and adjusts fueling accordingly.