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Lots of NHRA stockers running near or in the 9's with a stock pan, but are also using baffles, crank scrapers and mesh type windage trays. So no, it's not necessary to have a real deep pan; just get the oil back downstairs as fast as you can and away from or off the crank. I've heard over the years that many stocker guys toss the stock windage tray as it doesn't drain fast enough and instead use the mesh type. Grinding/smoothing drain back holes for casting flash and smoothing oil returns in the head and valley can't hurt either. A valley tray also helps keep the oil off the bottom of the intake and redirects any splash from the cam back downstairs.



Have you ever asked the guys running those NHRA stockers how little oil they run in their engine? The answer might shock you.



Yeah and the weight of the oil will shock you even more... But to eek out the last bit of horsepower they take chances... Do you really want to rebuild the bottom end after every race... I've never heard of an engine blowing up because it had to much oil unless it was some idiot that put eight quarts in a five quart pan... Put a pan designed for 7+ & run six...



I heard when they are going for a record they will really push it for every ounce of power. But I dont think they run it that low all of the time ? At least I would only push it that far when trying to set a record. Ron