Mailbag: A Grand Plan for Boosting a Small Chevy
P.W. • Rosholt, WI Q: I have a 1984 Chevy Z28 Camaro with an HO 305 engine and 5-speed transmission. I want to increase horsepower and gas mileage while staying […]
Heat Advisory: Spark Plug Heat Range and What You Need to Know
The spark plug is the Rodney Dangerfield of the hot rodding universe. It gets no respect—or at least very little. As performance enthusiasts, we tend to focus on power builders […]
Factory Five/Summit Racing Mk4 Build (Part 2): Rear Suspension
In our first installment on Summit Racing’s Cobra Project, we covered in general the scope of the buildup, and then got down to the details on installing the front suspension […]
How to Properly Store Your Dirt Bike or ATV for Winter
Winter riding has its place. And we wouldn’t dream of discouraging you from participating in a little arctic adventure, if that’s your preferred cup of tea. But for many of […]
Head Games (Part 4): Everything You Need to Know About Vortec Heads
Vortec cylinder head castings first hit the high performance scene in 1996 and provided GM owners a healthy, budget-friendly option for boosting horsepower. According to Summit Racing, Vortec heads still […]
Mailbag: Nitrous or Not?
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re talking single- vs. dual-stage nitrous. D.T. • Frackville, PA Q: My daughter and […]
Two-Valve Twist: Trick Flow Heads Add 100 Extra Horses to a 4.6L 2V
For owners of Ford 4.6L and 5.4L Two-Valve modular V8s, the wait for a true performance cylinder head ended in 2009. That’s when Trick Flow Specialties introduced the Twisted Wedge […]
Video: A Closer Look at the MSD Atomic LS EFI System
Thinking about an LS swap? Then you owe it to yourself to check out MSD’s new Atomic LS EFI Fuel Injection System. We did when we were at the SEMA […]
Head Games (Part 3): The Role of Valve Size in Cylinder Head Selection
In the first two installments of our Head Games video series, we covered the importance of combustion chamber size and intake runner configuration when choosing cylinder heads. In this video, […]
Mailbag: Reusable Chevy Bolt-Ons
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re covering carry-over parts from a stock 305 to a Chevrolet Performance 350. M.B. • […]