answering to normality,
the second setup creates a pressure to hold the diagphram tightly close during boost building. less chance of premature boost leak.
Only needed in high boost scenario. Stock toyota, less than 100kpa (1 bar/ 14.7 psi)... not really effected.
fatty
the second setup creates a pressure to hold the diagphram tightly close during boost building. less chance of premature boost leak.
Only needed in high boost scenario. Stock toyota, less than 100kpa (1 bar/ 14.7 psi)... not really effected.
fatty