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how do you know what spring is in your TIAL BOV... i just bought mine and haven't installed it
Originally Posted by foose04
-22 to -23 in/Hg use Pink - 11 Psi spring
-18 to -21 in/Hg use Un-painted -10 Psi spring
-14 to -17 in/Hg use White -8 Psi spring
-10 to -13 in/Hg use Black -6 Psi spring
0 to -7 in/HG (or supercharger) use 3 PSI Spring (Pink)