Originally Posted by JamboRST
Originally Posted by dave_y
yeah it will change, mine went from 15 to 20psi after fitting a big GRS cooler.
really? you should see a pressure drop not a rise in boost pressure,whatever gave you the extra 5psi it wasnt the cooler
well the only thing i changed was the cooler and silicone hoses which i guess would have helped but the first run on the rollers i could hear it detting/pinging away like crazy. operator said it was hitting 20psi when it was set up for 15.