Yes, I ran the line through the front of the oil covers into the rails. If I had a later truck with wavy rails, I would use the ICP ports on the rails. That would be easier than drilling out and tapping the AWA fittings at the ends of the rails and trying to seal the valve covers, like I did. Since I was told it couldn't be done, I just had to do it lol. Mine pulls oil from the return line from my BPD oil cooler. I have an earlier style cooler so the block that replaces the factory oil cooler cover does not have built in pressure relief bypass that the new ones have. If my truck had a stock oil cooler, I would pull the oil from the test port fitting in the front under the intake manifold.
