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This is a similar shot with the proper LG4 305 manifold that points slightly inward. Note we’ve marked where he had to dimple the floor to clear the manifold. We’re going to try to adapt a Camaro Y-pipe into the S-10 chassis. The large hole in the firewall is where the new Painless EFI harness will enter the interior. We couldn’t use the original factory EFI harness hole because it’s located almost directly behind the exhaust manifold, so we covered it with a piece of sheetmetal recycled from the new shifter hole we cut earlier.