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I ported 2 places on my short block, the water pump housing and the oil feed hole in the block. There is an ugly looking connection between the block and oil pump. The oil hits a wall at an angle instead of straight in. I hogged out the hole down in about an inch and blended it nice. This should help power and oiling as the fight isn't there like it was. The water pump is horrid. The pinch point in it is half the size of the block openning. The water goes down a square path to the block and one side is a tiny square hole and the other is a big wall. I built a velocity stack right before the block with it, you can dig the whole corner out and not go through. I go through the bolt hole, wah, it won't leak with sealent on it anyway. Both are there drawing HP off the crank to work, both are going to take less power on my car now. Both have a huge cavitating and restrictive corner to make stock. Easy mod really, just need a carbon cutting steel and aluminum bits. I use 3/8" tree shaped, I believe as the best shape for porting anything. :thumb: