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Shop Setup & TN Race Prep!

Summer is here, and with only six months left until the start of a new race season, John Grounds, 4570 driver, is anxiously awaiting the delivery of his new 4400-class chassis so he and the PGR Team can get to building. The Proving Grounds Racing team has a ton of work ahead of them to get the new Miller car ready to hit the track come King of the Hammers in February of next year but before the race prep can even begin, the team must set up shop. John spent the weekend furnishing the new workspace with the proper equipment, tools, and supplies in anticipation for his chassis delivery next week. More to come as we build the shop for the new 4400-class car!


Miller Motorsports is an east coast based automotive manufacturer that is owned and operated by 4400 driver, Erik Miller, widely known for his 1st place finish at King of the Hammers in 2012. Miller Motorsports constructs chassis builds fabricated to withstand the challenging rocks and unforgiving desert terrain, making any driver confident of achieving a podium finish. Additionally, Miller sells top of the line products from axles and drivelines to shocks and suspension from top shelf brands like Fox, MagnaFlow, and Savvy Off-Road.


4WP Park, TennesseePrep for the 4570 is reaching an end as race day approaches and it is almost time for the team to head out to Tennessee. Here is a quick overview of the course from Ultra4 Racing:

“For the last race of the 2020 Eastern Series, we're headed back to Pittsburg, TN, to Adventure Off Road Park! This 500-acre property located in the mountains of South Central Tennessee offers the ultimate playground for off-road enthusiasts of all types and was a huge hit with our Eastern Series racers last year. “With over 120 different trails of various degrees of difficulty, we'll have another amazing course that not only challenges our drivers from every class, but also showcases their skills behind the wheel! Just like the rest of our regional races, this race will act as a qualifier for the 2021 King of the Hammers race for the 4400-class.”

The same course last year had a ton of mud and slippery trails, so the team is hoping for sunny skies and dry ground this time around! But, the best way to be on top of the action is by tuning in on race day, July 25th, to watch the LIVE FEED.

Tennessee race day schedule:

All lap counts for races will be determined on site

Friday, July 24 -

3:00p to 6:00p Qualifying for all classes

Saturday, July 25 -

10:30a to 11:30a: UTV Race

12:30p to 2:30p Modified Race: 4500, 4600, 4800

3:30p to 6:30p Ultra4 4400 Race


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