A Day In The Life Of A NASCAR Engine
Engine Builder recently got an inside look at engine development at Earnhardt Childress Racing (ECR) from Andrew Randolph, ECR’s technical director. He gave us the scoop on the Chevrolet engine in Cup called a R07.2 and all that goes into maxing out its performance every week.
Diagnosing V8 Engine Oil Leaks
You already know that there are plenty of BMWs with V8 engines on the road today, but you might be surprised that they can have issues with oil leaks. Inevitably, some of these will find their way to your shop in need of service, so here are some common items to be aware of when they arrive at your shop for repairs.
Engine Of The Week: NASCAR Cup Series Chevrolet 5.8L V8 Engine
At the Monster Energy NASCAR Cup level, it’s no secret that the competition is fierce. Every little thing matters from the driver to pit stops to one of the most important aspects – the engine.
Plastic Intake Manifolds: Checking For Leaks
Most late-model engines come factory-equipped with plastic intake manifolds. Plastic saves weight and cost, and conducts heat much more slowly than aluminum or cast iron. This helps lower the temperature of the incoming air for a denser, more powerful air/fuel mixture.
Intermittent Engine Misfire Analysis
Even for an experienced diagnostic technician, attempting to diagnose an intermittent misfire condition that occurs only under specific driving conditions can be a frustrating exercise. Let’s begin by getting the basics out of the way. As we know, the general causes of a misfire fall under the general headings of 1.) ignition, 2.) fuel density, 3.) compression and 4.) timing failures.
Do’s & Don’ts of Carrier Gaskets
Don’t: Add sealants to carrier gaskets. Most carrier gaskets are designed to be installed dry. They do not need extra help to create a seal. Silicone can get in the ridges and change the bead. Do: Replace a plastic intake manifold if there are any signs of cracking or distortion. An intake manifold is cheaper
Chrysler 3.5L SOHC V6 Engine (Service Notes)
If ever there was a service opportunity ripe for the taking, Chrysler’s 3.5L SOHC V6 engine (and its 2.7L, 3.2L and 4.0L cousins) is it.
Pop Quiz: Head Gaskets
Choose the word or phrase that best completes the following sentences. Instructors can use this as an in-class assignment or homework.
Engine Series: Q & A on Engine Replacement
Q: At what point should an engine be replaced?
Q: What’s a “crate” engine?
Q: What are the most common installation mistakes when replacing an engine?
Diagnosing Misfires
What if there are no codes and a misfire is intermittent? This is where it gets complicated.
