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
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
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
Turbo Install: We Add 200+ HP to a 5th-Gen. Camaro SS with a Turbonetics Turbo
The 5th Gen Camaro SS (2010-2015 model years) left the factory loaded with power—425 ponies for a manual trans car or 400 in a 6L80E equipped 5th Gen. But even with all that power, the SS still has a lot of room to grow. Heads, cam, intake, and even larger displacement will net more power
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
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
Ask Away! with Jeff Smith: Crate Engine or Junkyard Rebuild for a First-Time Engine Build?
I have a ’72 Ford pickup that I’m slowly upgrading. It was originally a 6-cylinder truck and still has the original automatic I want to build this truck as a fun father- and-son project so I’m looking for suggestions. I’m thinking that a small block wouldn’t be a bad way to go. We don’t need
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
Video: How to Polish Bolts Without Burning Your Hands (or Burning Too Much Time)
If you’ve ever spent time grinding or polishing a set of fasteners, you know it can be time-consuming and even painful. Without a good grip on the bolts, they can fly out of your hands and the finished bolts can be pretty hot to handle. But if you get too tight a grip on the fasteners
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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