it's finally all coming together, new short block(5.7)vortec heads, headers, comp cams hyd. roller cam & 1.6 roller rockers, holley tbi,now the last two things- intake manifold and computer chip- going with the fast chip, question is, should I worry about the egr valve or have the chip disable it? have some concerns about plumbing the egr to the new manifold. any help greatly app. keep up the x-cellent posts.