[/quote] He just means the engine itself can take up to 26 psi, our tiny weeny turbo will lose it's efficiency well before 26 psi and I really doubt whether it can hold 22psi all the way to red line.
Are you recommending using a 3bar map and clamp it or just fool the stock map. What about the throttle inlet pressure sensor it also reads boost and needs to read 3bars, how do you control this sensor from pulling timing? Are you bypassing some or all the boost control solenoids, WGA, Surge Valve and Tip?
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I am recommending clamping the MAP sensor at the closest level to 15 PSI to ensure maximum fuel flow. Clamping it will prevent it from pulling timing.
The best I can understand at this time is that the PCM uses the TIP map and temperature sensor to calculate air density in order to avoid over leaning the engine when the air is denser (usually colder or lower elevations).
Many on the SRT forums are simply pulling the TIP sensor plug so that the sensor always reads 0V. This will ensure that the PCM doesn't limit boost, or possibly pull timing. This was named the EDTIP mod after the guy at Exhaust Depot who first came up with it.
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