Underhood Automotive
Reflashing Power Supplies

A power supply to keep the system voltage consistent is a required piece of equipment to perform a reflash procedure.

Detecting Misfire And Knock Conditions

Knock sensors are mounted on the block near the base of the cylinder head.

Engine Build: 383 cid Small Block Chevy Engine

Robbie Capps of Capps Performance Engineering built this 383 cid small block Chevy engine.

Oxygen Sensor Questions Answered

If an O2 sensor is not reading properly or is borderline, it should be replaced regardless of its age or mileage.

Reading Oil Product Datasheets

The product data sheet starts with a listing of the basics, like appearance and part numbers.

EV Conversions For Classic Cars

Folks like Elon Musk of Tesla are betting big on EVs, and so are the major car manufacturers like VW, Volvo, GM and Ford.

Engine Build: 557 cid Blown Supercharged Hemi Engine

Sassy Racing Engines specializes only in Hemi engines like this 557 cid blown supercharged Hemi that pumps out 3,000 HP!

Prepare For R1234yf Now

This “staggered” transition to R1234yf creates a problem for shops servicing these vehicles.

Performance Spark Advance: Controlling Ignition Timing Delays

Ignition delay occurs during the time that it takes to fully ignite the mixture with a spark plug.

Mini Water Pump Friction Drive System

The tensioner is able to disengage the water pump until the engine has reached a specific temperature.

Tips For Selecting Cylinder Heads

When selecting the appropriate cylinder head/runner volume, there are a few basics to focus on.

Engine Build: 400 cid Turbocharged Small Block Ford Engine

Driven by Chris Varni, Orange Crush features a 400 cid small block Ford engine under the hood.