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When Craig tried to trial-fit the stock intake manifold, it was quickly realized that the EGR passage, which sits very low, was hitting the Butler valley pan. In all fairness, this is no one's fault since not many people would run a hydraulic roller camshaft with a stock EGR intake manifold. We are because the original plan was to compare the EFI system to a stock carburetor and intake. The EFI single-plane manifold fits with no problem. We will address this issue in the next installment.