Tech

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Video 101: Choosing a Carb Spacer

Carburetor spacers are a great tuning tool. Depending on which specific carb spacer (or multiple spacers) you choose, you can add extra horsepower, particularly in the mid and upper rpm ranges. You can also adapt different carburetors to different intakes, so you can test out different combinations. It all comes down to the type of spacer

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Tires 101: A Glossary of Tire Terms

If you’re interested in tires, the following glossary goes over some tire basics. You’ll know a lot of it already, probably. But there may be a few terms or tidbits that are new to you as well. Properly maintaining your tires can greatly improve the performance and handling of your vehicle, will give you a

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Quick Guide to Diagnosing Common Oil System Problems

Your dad probably taught you the importance of checking a vehicle’s oil level shortly after you got your first Big Wheel. And right around potty training, he probably also trained you to “change your oil every 3,000 miles.” It’s probably one of the first things you learned about car maintenance! But what if the oil system starts to have

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Turbo Talk: Basic Guide to Choosing a Turbo for Your Diesel

Every light duty modern diesel for the past two-plus decades has been forced induction, but there’s only so much your stock turbo can do. If you want more horsepower than the stock unit can deliver, or if you want to take better advantage of aftermarket modifications such as a programmer or chip, it’s probably time to step up to

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Mailbag: What’s Causing My Engine to Misfire?

You’ve got questions. We’ve got answers—the Summit Racing tech department tackles your automotive-related conundrums. This week in our Mailbag, we’re tracking down the cause of misfiring. Q: I have a 1991 Chevy half-ton truck. It has a 305 TBI motor with underdrive pulleys, ACCEL distributor cap, rotor, and 8.8mm wires, platinum spark plugs, and a JET Stage 1 computer

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How to Properly Plumb Your Vehicle

Whether it’s in your bathroom or on your race machine, car plumbing can be an exercise in frustration—especially when you finish the job, turn on the faucet or switch on the pump, and discover you have more leaks than flow. While we can’t really help you with your bathroom, we can show you how to

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How to Choose a Nitrous System

The principle is simple: Air and fuel plus ignition equals horsepower; therefore, more air and fuel equals more horsepower. It’s the equation that nitrous systems manufacturers use to help produce incredible power gains—in some cases up to 400 extra ponies—in everything from sport compacts to dedicated race vehicles. Still, many performance enthusiasts don’t fully understand

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