Demolition Derby - how a special cylinder head survives when all coolant is lost
To those unfamiliar with the practice, Demolition Derby events provide handsome purses, especially at large fairs. At Yolo County in Northern California the promoters advertise a prize of $23,000 and rewards of $10,000 to $20,000 is often the standard at major fairs. Even more lucrative is the Topeka, Kansas, Blizzard Blast, which attracts 1,000 entries and offers $30,000 in prize money. Rewards at smaller county fairs, vary between $2,500 and $5,000, which appeals to a Derby class known as Limited Weld...
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