Tech

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Quick Tech: Why is My Car Battery Not Holding a Charge?

It’s one of the most-searched automotive questions on the internet. It’s also one of the most-common reader questions we get here at OnAllCylinders. “Why won’t my battery hold a charge?” Truth is, it might not be your battery’s fault at all. It could actually be a problem within your vehicle’s charging system at large. We realize

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Video: Wheel Spacers vs. Wheel Adapters

There are several differences between wheel spacers and wheel adapters, and one may be better than the other for your specific vehicle. This latest video featuring Summit Racing tech adviser Carl Pritts is intended to help clear up any confusion between the two parts. Wheel Spacers Wheel spacers are used to address clearance issues, such as

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Mailbag: When and How to Change a Carburetor Accelerator Pump

  Q: My Holley-equipped vehicle has a stumble from a dead stop. Someone told me the accelerator pump nozzle may need resized. How do I know if I need to change an accelerator pump and how do I determine the proper size? A: It’s true that one of the most common causes of stumble is not having

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Stroker Math (Part 2): A Quick Guide to Popular Ford Stroker Combos

As we told you in Part 1, there is a formula to creating a stroker engine. Bore size, overbore, crankshaft stroke, and connecting rod length must work together to produce the desired displacement without creating clearance problems. That’s why we worked with the experts in the Summit Racing technical department to do some of the essential math

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Mailbag: How to Identify Your GM 10-Bolt Axle

Q: I have a 1964 Chevy II/Nova with a 194 cubic-inch straight-six engine, Powerglide, and a 10-bolt rear-end. I’m trying to identify the 10-bolt rear axle — I want to know if it is a posi or not. There are no ID tags anywhere. Usually only one tire spins, but sometimes both do. Also, I notice a mysterious

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Fuel Pump Technology: Understanding Different Fuel Pump Designs

Fuel pumps come in a variety of designs. In the most general terms, you can choose between mechanical, belt-drive, and electric (inline and in-tank) pumps. We wrote an earlier post discussing the differences between mechanical and electric fuel pumps and another on how to choose the right size fuel pump in terms of volume and pressure. One

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Tire Talk: 8 Things Your Tire Tread Might Be Trying to Tell You!

Your tires might be telling you something. Are you listening? The condition of your tires could warn you of premature wear or be a sign of issues in other areas of your vehicle. You may simply need to add more air pressure to your tires, or you might need to have your suspension system checked

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