Jack Renn
Jack Renn’s a NASCAR writer who digs into the speed and scrap, delivering the straight dope on drivers and races with a keen eye for the fray.
The Dirty Air Problem on Short Ovals Explained
Dirty air is the part of oval racing that looks simple on TV and turns into a headache the second you try to run two…
Why Track Bar Changes Feel Huge in NASCAR
Track bar adjustments sound like garage jargon until you see how much they change the car’s balance. On a NASCAR stock car, the track bar…
IndyCar: Fuel Saving on Ovals, How It Is Done
Fuel saving on an oval is not a cute side quest. It is a cold calculation about track position, pit lane time loss, and how…
NASCAR: Why the Next Gen Car Changed Tire Wear
The Next Gen NASCAR car’s altered tire wear is a direct result of its new, larger 18-inch aluminum wheels and low-profile tires, combined with changes to the…
IndyCar: How Push to Pass Really Changes Strategy
IndyCar’s Push-to-Pass (P2P) fundamentally changes race strategy by offering drivers limited bursts of extra horsepower (around 60-80hp) for overtaking and defense, turning simple passing into…
What is the point of drafting in NASCAR?
The point of drafting in NASCAR is to reduce aerodynamic drag, allowing cars to go faster with less engine power by using the slipstream (low-pressure wake) of…
Why Do Ovals Punish Steering Inputs In IndyCar?
IndyCar oval racing places cars and drivers in a mechanical state that leaves almost no margin for unnecessary steering input. At sustained speeds above 200…
What Brand Cars Are Used In NASCAR?
NASCAR features three primary automotive manufacturers competing across its series today. Chevrolet, Ford, and Toyota currently supply the race cars that compete in NASCAR’s Cup…
Has An F1 Driver Ever Won Le Mans?
Formula 1 and the 24 Hours of Le Mans are two of the most prestigious and challenging motorsport events in the world. While the two…
How Many Miles Is The 24 Hours of Le Mans?
The 24 Hours of Le Mans is one of the world’s most prestigious automobile races, held annually near Le Mans, France. The race takes place…