>Out the other exhaust manifold. I was going to guess at that... HOWEVER.. what about my BG-241 straight 6??? It has one too. In Use: 70 1210 4x4 TE, 73 1210 WM Project (2nd time) 67 1000B PU Parts: 67 1000B TA 68 1100 4x4 TA 72 1010 TA