Mailbag: What Helmet is Required for My Racing Class?
Q: I race a 12-second bracket car and I need to replace my Snell SA2005 helmet. Can you tell me what rating is currently required for my car’s class? A: […]
Mailbag: Choosing the Right Valve Springs for Your Hydraulic Camshaft
Q: I’m going to drop a GM LT4 Hot Cam into my Gen I small block Chevy. What valve springs do you recommend for the best match? A: Summit Racing put together […]
Ask Away! with Jeff Smith: External Fuel Pump or In-Tank Fuel Pump for My EFI?
I’m thinking of installing an electric fuel pump in my ’69 Mustang. It has a small block and carburetor on it right now and eventually I’m going to run one […]
Mailbag: What You Should Know About Octane Ratings, AVGas & More
Q: I recently rebuilt a 383 for my 1968 Charger. It’s not a race car, but a typical street cruiser and occasional quarter-mile warrior. My question is about fuel. I’m […]
Ask Away! with Jeff Smith: Swapping a 4.8L LS into a 1955 Chevrolet
I have a ’55 Chevy that was my dad’s and now it has come to me. The car has a very tired 283 small-block in it with a TH-350 trans. […]
Mailbag: How to Choose a Carburetor for Supercharged Engines
(image © superchevy.com) Q: I am getting ready to pull the trigger on a supercharger for my 1966 Chevelle. What should I do about my carburetor? Do I need to go […]
Mailbag: When and How to Change a Carburetor Accelerator Pump
Q: My Holley-equipped vehicle has a stumble from a dead stop. Someone told me the accelerator pump nozzle may need resized. How do I know if I need to change […]
Mailbag: How to Identify Your GM 10-Bolt Axle
Q: I have a 1964 Chevy II/Nova with a 194 cubic-inch straight-six engine, Powerglide, and a 10-bolt rear-end. I’m trying to identify the 10-bolt rear axle — I want to know if it […]
Ask Away! with Jeff Smith: Crate Engine or Junkyard Rebuild for a First-Time Engine Build?
I have a ’72 Ford pickup that I’m slowly upgrading. It was originally a 6-cylinder truck and still has the original automatic I want to build this truck as a […]
Mailbag: Tips for Choosing the Right Tie-Downs for Your Race Trailer
Q: I need to buy some new tie-downs for my race trailer. What are some rules or guidelines that should be followed when purchasing tie-downs? How about tips for proper installation? Anything […]