A
andrewnorton
Guest
my forge dumpvalve don't dump on my car. im running low boost 0.85bar fast guys running the same and the dumpvalve works on his R iv just received a yellow spring from forge today so i opened the dv to fined a blue spring so i then swap the spring with the new yellow one fit it on my car still no dump......................the only sound heard is the waste gate chatter iv had a look at the pipe setup and they look and are set up ok the cars boosting ok just don't dump any ideas