The case for buying PREMA, Dale Jr. as NASCAR czar and more racing Mount Rushmore nominations among takes in this week's Mailbag.

Drivers on hot seats, how oval tracks' official lengths can change and prospects for the return of F1 V8s among topics filling the RACER Mailbag this week.

F1 closing rates now and then, NXT drivers' window for moving up and instant overreactions among takes in this week's RACER Mailbag.

Criticisms of the new regulations came to a head in Japan, but there's more to F1 than outright speed, says Chris Medland.

Uncertainty about its team principal position is just the latest challenge the Aston Martin F1 team faces at the start of a season from which so much was expected.

Washington race sound concerns, favorite Sebring race photo spots and whether IMSA has a BOP problem among topics in this week's Mailbag.

No matter what NASCAR does to the technical package, Darlington will always be Darlington. That's a good thing, as Kelly Crandall explains.

The Arlington GP, reactions to and questions about the new F1 formula, and track marshal fact and fiction among topics in the RACER Mailbag this week.

Razzes and raves for Rasmussen, engine sounds and the arc of Sebastien Bourdais' career among questions to the RACER Mailbag this week.

IndyCar and NASCAR have a complicated history together, but made for a powerful co-headlining ticket last weekend at Phoenix Raceway.