Being an old school racer,I AM learning alot about this nitrous racing.I have thought about trying some of that cheap horsepower,but I think I need to listen to you guys somemore.I have plenty of muscle in the 572 I have in my 70 camino.You know it is said ,what is enough?If anybody has any more suggestions on web sites or reading material on,I would be glad to hear from you.thanks!FISHMANJOE