Ask Away! with Jeff Smith: Here’s Why More Engine Boost Doesn’t Always Mean More Power
I was watching a dyno test video the other day with a couple of cam swaps on a supercharged LS3. On the first test, a slightly bigger cam showed more […]
Installing Rigid Industries Auxiliary LED Lights on a Jeep Wrangler Off-Roader (with Photos)
As we get older, our eyes age right along with our other muscles. We can enhance our muscles with exercise and better tools, but other than wearing glasses, we can’t […]
Mailbag: Solving Fuel Starvation and Idling Problems in a Tuned Port Injection Pontiac
You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re troubleshooting a Pontiac Trans Am Tuned Port […]
Ask Away! with Jeff Smith: Exploring Parasitic Power Loss in an Autocross Car
I have a small-block, four-speed early 1970s Camaro that I race in autocross. How much horsepower do the following items use on a small-block at 6,000 rpm? Even a guesstimate […]
Best of Both Worlds: Building a Gen 1/LS Hybrid with World Products’ Motown II LS Block (Part 1)
Editor’s Note: Mike Mavrigian must do nothing but build engines and write stories about them. We have visions of his shop, Birchwood Automotive, set deep in the woods with Mavrigian […]
Ignition 101: A Quick Guide to 5 Common Ignition System Designs
Ignition systems have come a long way since the early days of the automobile. From early points-style setups to modern coil-on-plug configurations, the ignition system has evolved. There are five […]
Mailbag: Ideas for Cooling Down a Mysteriously Hot-Running Engine in a 1955 Chevy
You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re troubleshooting an engine that’s running too hot. […]
Ask Away! with Jeff Smith: Using Master Cylinder Math to Solve Brake Pedal Woes
I have a ’64 El Camino that has been converted to front discs using 1970 Chevelle parts. I was told that I should change the master cylinder as well, […]
How to Retrofit GM LS Valve Springs on LT1 Cylinder Heads
Since the GM LS is such a popular engine series, LS-compatible parts are common and easy to find. Which means, if you’re using 1992-97 LT1-style heads on your engine, you […]
Mailbag: Which Muffler Design is Louder – Two- or Three-Chambers?
You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re discussing two-chamber vs. three-chamber mufflers, and which […]