Tech

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Mailbag: Leaning Out a Rich Condition

J.S. • Saltillo, MS Q: I have some questions concerning my 1981 GMC 1/2 ton truck. It has a 350 that’s bored .040 inches over with flat top pistons, ported and polished LT1 heads, a Lunati Bracket Master II cam, and an Edelbrock RPM intake topped with a Carter AFB 600 cfm carb. This combination

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How to Choose Aftermarket Brake Rotors

As is true with the selection of almost any automotive part, how you’re going to use the part you’re shopping for means everything. Brake rotors are no different. A good brake system is an important piece of the ultimate-stopping-power puzzle, but it’s not the most important part. Always remember that your brakes don’t stop your

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Basic Maintenance Series: Our Top 5 DIY Vehicle Maintenance Projects Anyone Can Do

NOTE: For newbie car enthusiasts, the thought of doing your own maintenance and simple repairs may seem intimidating. For some seasoned gearheads, the thought of maintenance and light repair tasks may seem like a tired chore to farm out to the local shop–especially if it’s just a daily driver. But proper vehicle maintenance and repair is key to getting more

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Mailbag: O-Ring Grooved vs. Non-Grooved Ford Cylinder Heads

Got questions?  We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re talking about the merits of O-ring grooved Ford cylinder heads for high-horsepower nitrous applications. L.M. • Post Falls, ID Q:  I’m building a 5.0L engine for my 1987 Mustang, and I have a question about cylinder heads. In

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Troubleshooting Dirt Bike Suspension Problems

Your dirt bike suspension is an oft-overlooked, or at least an under-appreciated, factor in your bike’s performance—whether you’re enjoying a weekend on the trails, performing high-flying MX tricks, or trying to squeeze every ounce of speed out of your bike at the track. Your suspension being well cared for and tuned is as much a

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How Do I Identify My Transmission? Your Top Tech Questions Answered!

We recently reached out to the guys in Summit Racing’s renowned tech department—the largest full-time staff in the industry—to identify and answer five common tech questions they hear on a consistent basis. With help from Summit Racing’s tech advisors and other industry experts, we’ll answer those questions here at OnAllCylinders. Today’s topic: transmissions. The specific

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Video: Choosing the Proper Collector Size

Whether you’re building for the street or the track, watch this Summit Racing Quick Flicks video and learn how to choose the proper header collector size. You will learn how to calculate the correct collector diameter to help improve torque. This video also explains how to extend your header collector length to broaden the torque

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Mailbag: What Does Carbon on Exhaust Tips Mean?

Got questions?  We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re diagnosing carbon deposits on an exhaust system and resolving a rich air/fuel mixture. J.K. • Mountaintop, PA Q:  My 1970 Buick Skylark has a 350 Buick engine, a 350 turbo/hydro-automatic transmission, and a Chevelle 12-bolt posi rear-end. I

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