Ask Away with Jeff Smith: Inside GM’s New 90-Degree V6 Engine
In the ‘80s, GM used a 4.3L 90-degree V6 in many different cars. I know that this engine is basically a small-block Chevy with two cylinders removed. This got me […]
Video: Understanding Backpressure and How to Choose Exhaust Tubing Diameters
In this Summit Racing Quick Flicks video, you will learn the basic of backpressure in your exhaust system, how it works, and why it’s important to your engine performance. Trying […]
Ask Away with Jeff Smith: Fuel Volume vs. Fuel Pressure & How They Relate
I’m considering buying one of those self-learning TBI fuel injection systems. I’ve heard that the fuel delivery system is the most important part of the installation so I’ve been reading […]
Video: Exhaust X-Pipes vs. H-Pipes, Part 2
If you missed it, Part 1 of the X-pipes vs. H-pipes Summit Racing Quick Flicks video series focused on the basic differences between the two designs and how to choose […]
Mailbag: Diagnosing Mopar Ignition Problems
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re tracking down some ignition box issues in a Plymouth Duster. Q: Our Plymouth Duster […]
Mailbag: How to Read Your Vehicle’s Smoke Signals
Q: After I swapped carburetors on my 307 Chevy, I noticed blue smoke coming out of my car’s tailpipes when I accelerate. I always thought too much gas caused blue smoke, […]
Ask Away with Jeff Smith: A Basic Guide to Ignition Advance
I hate to admit that I’ve been working on cars for more years that I care to admit and yet I still don’t understand all the different things about ignition […]
Shot Peening, Magnafluxing, and More: 7 Automotive Aftermarket Mysteries Explained!
Furnace brazed. Induction hardened. Shot peened. These are phrases you’ll find throughout your Summit Racing catalog. They are often included as beneficial selling points on parts—in most cases, critical engine […]
Mailbag: Engine Prep Tips for Nitrous Oxide
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re providing some basic nitrous system guidelines. J.H. Huntsville, TX Q: My 1998 3.8L Camaro is […]
Ask Away with Jeff Smith: Why Does My Car Torque Steer So Badly?
I have an all-steel Willys coupe with an all-aluminum 498ci Keith Black HEMI with a Don Hampton 8-71 supercharger and an EFI system using electronic fuel injectors located under the […]