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Late-Season Maintenance
As your season comes down to the last few races, many of you will be trying to gain points on your competitors to either move up in the rankings, or maybe even win the championship. A strong finish is...
View ArticleAccountability and Consequences
It’s time to talk about this. A recent event whereby one John Hunter Nemechek, who by some accounts, ran over Cole Custer at a truck race at Ontario brought to mind a discussion I have wanted to have...
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Using Data to Improve Driving
Helping A Driver Learn Better Skills As a part of my new project car Pro Late Model, I began to work with the driver to develop better techniques and habits. What I observed is common to many drivers,...
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Advanced Anti-Squat Techniques
We modified the anti-squat design in our project Pro Late Model recently. We used a method to distribute more loading onto the left rear tire and a modification of that method is being used to promote...
View ArticleMaking Race Decisions – Will You Have the Courage?
Many times, people get a funny feeling that something bad is going to happen in the near future. Call it a premonition or vision, but they know. When you do get the feeling that things are not going to...
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Measure Of Performance
The process and consideration I am about to discuss is maybe one of the most important thing you will learn in your entire racing career. It was for me. And it works for dirt or asphalt racing. My...
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Fuel Burn-Off and the Trade-Off with Your Car’s Handling
Why Your Handling Does Not Change Have you ever wondered why fuel burn-off typically does not change the handling of a race car, at least not a great deal? I have been asked many times when helping...
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Matching Your Shocks
I see many different types of setup these days and racers trying to do things that the laws of physics just won’t allow. You don’t have to be an engineer to understand the problems that can come as a...
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Explaining the Dirt 4-Link Rear Suspension
In order for the rear of our race cars to steer, there must be vertical motion. For most dirt cars using the traditional four-link rear suspension system, the motion can be created and controlled...
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A Look at the SoVA Motion Series of Seminars
Virginia Research Center Gives Hands-On Instruction SoVa Motion is presenting a thre- part seminar series and we attended part one. SoVa is a division of the GCAPS center located near Danville, VA on...
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The Harm of Traction Control (Bob Bolles Commentary and Q&A)
A Discussion About Ethics: What Part of Illegal Don’t You Understand I’ve been aware of this problem for some time and decided now is the time to speak out. Traction Control products are advertised in...
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From Conventional To Bump Setup
When a local Pro Late model team posted an in-car video of their last race on their facebook page early in the season, I knew immediately they had some serious problems. The car was very tight-loose...
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Engine Control Needed and Q&A with Bob Bolles
Of all the rules related problems we have encountered over the years, specifying and matching different engines has been at or near the top of the list. Some sanctions just cannot get a handle on...
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Comparison of Dirt and Asphalt Bump Setups
Bumps – One Or Two? In the world of bump stops, bump springs or air bumps, there are two ways to set these up, using one bump or two at the front. For now we’ll not talk about the rear as that is...
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Steps and Tips on Installing a Three-Piece Sway Bar
Roll-Control Tech Many stock cars use a one-piece sway bar and find it more than adequate for normal setups on average racetracks. There can be some disadvantages to the one-piece bar, and there is an...
View ArticleMatching Sealed Motors
S.E.A.L. Makes Rules Changes For GM 604 In last month’s QA commentary, I discussed Balance of Performance and ways sanctions try to equal out the power influence of different engines. I say power...
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How to Perform at the Race Track
We want to provide tips on how to do various things while at the race track. Many things are easily done at the shop where we have a mostly sterile environment, but things get messy when we go racing....
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Dirt Brake Selection and Application
Cutting Edge Information For Modern Dirt Racing Many aspects of the parts and pieces of dirt cars have evolved over the past twenty years or so. We’ve seen almost every part of the car evolve from...
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Have Racers Gone to the Extreme? (Plus Q&A)
How Far is Too Far It’s a problem I have encountered many times in my consulting career. Teams just cannot be satisfied with what they have that many times is very successful. Either they miss-apply...
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Why Dirt Racers are Stacking Springs
The use of stacked springs has become commonplace among many top Dirt Late Model teams. It wasn’t always that way. As far as I know, the first test using stacked springs in a dirt late model occurred...
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