FWIW, Vavoline VR1 is not a true racing oil, yeah we use in the race engines but it is designed for use in regular street engines as well, it has as Mike mentioend a detergent package and a low foaming additive, as well as 1200 ppm of ZDDP, it's readily available at most part stores and not that expensive, so it's good choice on our engines.
True racing oils have no detergent package in them so they are not suitable for long oil change intervals, most racers change their oil and filter after every weekend, Vavoline, Red Line and other make a strictly for racing oil, that you would not want to use in your street engine. You'll never be able to walk into your local parts store and buy a true racing oil, it would be special order or hidden behind the counter, nothing on the shelves at your local parts store is not suitable for a street engine, the oil companies make sure of this, so you can be insured that Vavoline VR1, while listed as a racing oil, has everything in it that you would ever want for solid lifter street engine like ours, and thats exactly what I use in my street engine and recommend to my street engine customers, it's great oil for our engines.