Crates  

Tracks have their own rules on the sealing and rebuilding of crate engines. What started out as a good idea that was affordable to many low dollar racers has turned into a nightmare. With aftermarket "original" seals available, many racers and even engine builders have been "tuning" engines and resealing them. It is a hard job trying to keep track of what should be a reasonable division. The Short Track Super Series runs the 602 crates at it's tour races. With the cost of the crates increasing, not sure it's much saving to some of the guys who were building their own sportsman engines.

On a side note, racers are their own enemy. As long as there is racing, racers will try to out smart other racers, officials and tracks. As long as there is racing, there will be racers willing to outspend everyone else no matter what the purse is.