Flat Towing Tech: The Hows and Whys of Installing a Tow Bar
It’s time to hit the highway for a little summer adventure. Our getaways often include four-wheeling on new and distant trails, and that means towing our Jeep behind a motorhome or some other tow vehicle. When it comes to choosing a towing method, you’ve got a few choices: flatbed trailers ($2,500+), tow dollies ($1,000+), and tow bars ($125). Obviously, the
Back in Black Nighthawk LS (Part 2): Heads, Valvetrain, Oiling System & More
Editor’s Note: Mike Mavrigian’s shop, Birchwood Automotive, specializes in street performance and racing engines as well as vehicle restoration. We covered his last build, a 499 cubic inch Mopar 400 big block. This time, he’s building a 408-cubic-inch LS engine based on a 6.0L cast iron block. We covered the short block in Part One of the
Video: How to Set Your Clutch’s Throwout Bearing Clearance
Quarter Master makes high performance racing clutches. Good ones. But no matter how good or well-built a clutch may be, it can’t last long if the throwout bearing clearances aren’t properly set. Without proper clearance, the clutch will never fully engage or fully disengage, and that will cause it to wear quickly. Properly setting your
Mailbag: Building a Potent, Pump-Gas Pontiac on a Budget
Q: : I have a 1967 Pontiac GTO with a 400-cubic-inch engine that originally came from a 1968 Grand Prix. The 10.75:1 compression engine is rated at 340 horsepower. The car has an M-20 four-speed transmission and 3.55 rear-end gears, and curb weight is about 3,500 pounds. What I really want is a strong, daily-driven
Ask Away! with Jeff Smith: Revisiting Common Causes and Cures for Vapor Lock
What exactly is vapor lock? The weather is warming up now and last summer I had trouble with my small block Nova dying a various times when he engine ran a little hot. Is there anything I can do to prevent this? R.S. Jeff Smith: That’s a really good question that doesn’t really have a
HANS 101: How to Choose the Right HANS Device
Editor’s Note: June is OnAllCylinders safety month and will feature stories and tips on a variety of safety equipment. The HANS Device has been around since the early 1980s but gained notoriety following the death of Dale Earnhardt in 2001. The U-shaped head and neck restraint was developed to keep the head from whipping forward and backward
Mailbag: Tips on Choosing a Starter for a Small Block Ford
Q: : I have a 1975 Mustang II built for drag racing. It has a 302 V8 and a C-4 transmission with an Ultra II bellhousing. I’m having problems with starters grinding when I try to start the engine. I’ve tried several different starters, but they all do the same thing. I’ve also tried changing
Safety Harnesses 101: How to Choose Your OTHER Seat Belt
Editor’s Note: June is OnAllCylinders safety month and will feature stories and tips on a variety of safety equipment. All legitimately sanctioned racing requires participating drivers to buckle up. In race cars, your seat belt is called a safety harness or racing harness, and their function and purpose requires little explanation. It’s hard to win races
The Wonder Windsor: Hardcore Horsepower’s 735 HP Small Block Ford
Mike Petralia, owner and chief bottle washer at Hardcore Horsepower & Dyno in Franklin, TN, is no stranger to hot small block Ford builds. So when it came time to do another one, he wanted to zig where everyone else had zagged. The goal was big power and big cubic inches from a high compression,
Big Tire Tech: How to Stuff the Back of Your Car with Big Tires
Big back tires have always been the telltale sign of a true ground pounder. In some cars, it’s easy to stuff the back-end full of rubber without resorting to reconstructive surgery (tubs, moving springs, moving frame rails and so on). In others, not so. A good example of a wheel well-restricted car is the 1970 Chevy Nova shown




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