Monday mailbag

Q: We have a Ford F-100 pickup we use as a tow vehicle. It has a 360-cubic-inch two-barrel engine running Crane stock replacement cam and “anti-pump-up” hydraulic lifters. The heads are […]

Q: I have a 1970s-era Ford Ranchero with a 302 engine with a two-barrel carburetor, a C-4 transmission, and an open-type rear axle with 3.08 gears (I think). The only modifications […]

Q: I have a Ford truck with a 390 FE engine. I had the heads redone and installed a new cam and lifter set, true roller timing chain, valve springs, single […]

Q: I own a First-Gen Pontiac GTO with a 1970 400ci engine swap, a two-speed automatic, and an open rear axle. I recently rebuilt the engine to stock specs, adding […]

  When it comes to stock replacement applications, finding the right U-joint is as easy as using the basic Make/Model search on SummitRacing.com. But, if your driveline has been modified, choosing […]

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: […]

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 […]

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 […]

  (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 […]

  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 […]