SNOWFLAKE — Every year Nathan and Larry Williams, co-owners of Williams Bros Auto Service hosts Dyno Days.

If you consider yourself a motor head and you weren’t there, here’s a little recap of the top competitors in the horsepower contest.

“It was a huge success with a huge amount of Dyno Runs as well as spectators,” says Nathan Williams.

A total of 41 entires in Dyno Days were divided into 19 diesel and 24 gas engines vying for a chance to demonstrate the highest horsepower and the most torque.

Measuring horsepower

The Williams Brothers Dyno machine is capable of 220 miles per hour. It’s used to determine horsepower and torque on a running motor.

“Our Dyno machine simulates a load while the experts track a start miles-per-hour and a finish miles-per-hour in one gear. The driver accelerates from the simulated start point as the dyno calculates and captures engine horsepower and torque,” explained co-owner Larry Williams in an interview about the 2018 Dyno Days.

Gas engines

Jeff Lewis Shumway took first place in diesel with his 2007 LS1 Buggy that rated 514 horsepower and 544 torque.

David Burley was a close second with 497 horsepower on this 1982 Chevy truck with a 500 cubic inch big block and Vance Roth was right behind Burley in his 2012 LS3 Supercharged Chevy Camaro with 446 horsepower and 471 torque.

Diesel engines

Anthony Kinney of Show Low smoked the tires to earn first place with his 1998 Dodge 5.9L truck, rating 735 horsepower and 1403 torque.

Aaron Blair of Show Low followed in second place with his 2007 Dodge 2500 5.9L modified truck measuring 670 horsepower and 1360 torque. In third place was Mike Stubbinds and his 2005 Dodge 5.9L truck. He scored 561 horsepower and 1130 torque.

Giving to the cause

There were several event sponsors that helped with the event.

Local NAPA Auto & Truck auto parts store owners, Ted and Carmen Lorona, donated the plaques and cooked hamburgers and hot dogs for the enthusiastic crowd.

O’Reilly’s Auto took care of all of the drinks and refreshments.

Tyson Threadgill with Snap-On Tools of the White Mountains donated the prizes for first, second and third place winners.

Enzo’s Restaurant prepared and cooked home-made pizza for the event crowd in addition to the hotdogs and hamburgers.

In order to register for the Dyno run, entrants were required to bring a canned food donation for Shepherds Kitchen Food Bank of Snowflake. There was also a 50/50 raffle which was split between a raffle winner and the food bank.

Reach the reporter at

Laura Singleton is a reporter for the White Mountain Independent, covering Show Low city government, business and education.

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