Quote Originally Posted by Iron Indian View Post
55 ain'r bad..... but that -8 and the 16% tells me you got a vac leak somewhere. I'd check some lines out if I were you, or check the S/C gaskets....
X2 right there. Even a small pinhole can create LTFT's in the +12-16 range....a big leak like a TB gasket or SC gasket not properly seated will peg it at 20.