You probably had a slight leak in the old IC maybe. Try opening the needle valve just a touch. By a touch I mean an 1/8th of a turn at a time. If your boost starts to rise too slow put it back and lower the max boost from the Dawes. You may have to open the needle valve up anyway if you readjust the Dawes as the two valves are relative and should be adjusted together.Originally Posted by Mc4by
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