dawes adjustment
#3
making the hole bigger will bring the boost in softer i beleve. but not too much bigger! i think it a 0.5mm hole to start i wouldn't go bigger than a mill, but why would you want it to come in soft lol
there's only one breather hole that should be on the wastegate side
there's only one breather hole that should be on the wastegate side
#4
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It doesn't make the boost come in any softer, it simply helps to control boost spikes and overboost, making a more consistent and predictable boost level. If you were to compare the breather hole on the Dawes to say the GBE MkII, you'd notice the Dawes comes as 0.5mm and the GBE 1mm as standard. People who use the GBE report fewer setup problems than those who use the Dawes, and this is usually mainly down to the breather hole...
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