The stock psi for a T28 is not 5psi. Upping the boost to mask issues is not a good idea. You probably have a leak somewhere. Build yourself a boost leak tester, it’s so easy to do and you will be able to pin point your leaks.
The stock psi for a T28 is not 5psi. Upping the boost to mask issues is not a good idea. You probably have a leak somewhere. Build yourself a boost leak tester, it’s so easy to do and you will be able to pin point your leaks.