Roush, Yates and Rick Hendrick all expanded their engine business as their other businesses succeeded and they have the capacity to do it. Also, since they spend an enormous amount on development, it keeps them on the cutting edge of technology. Second, because there's a market for them. Third, it is not done so much for profit as for experience. That's something that still affects us today.
Headers are obsolete continuously.
The engine-building business is a real marginal business. With small profit margins, he said, the only way to remain profitable is with volume. The closer you get your business to the margin, the more you spend on development. But over a period of time the engine business has been viable. We have paid our bills.