Tech Tip: Influence of Grooved Main Bearings on Performance
Manufacturers are frequently asked what difference grooving makes. Various forms of main bearing grooving have been used over the years. It’s essential to understand that bearings depend on a film of oil to keep them separated from the shaft surface. This oil film is developed by shaft rotation. As the shaft rotates, it pulls oil into the loaded area of the bearing and rides up on this film much like a tire hydroplaning on wet pavement.
Tech Tip: Causes of Melted Piston Top and Ring Land on Diesel Engines
Engine damage resulting in melted piston tops and ring lands may be found in several stages outlined in this bulletin, ranging from light damage at the piston to catastrophic engine failure.
New Tool Line Ratchets Up the Competition
I recently had the honor of attending the Kobalt Tools new tool launch in Charlotte, NC, courtesy of Lowe’s. I was on-hand to represent Babcox Media and to be among the first to try out some of the company’s new Kobalt tools. But long before the media arrived, a much more famous group worked
Tech Feature: Updating the Late-Model Hemi
When we started this project, we were anxious to find out how much power a Hemi stroker could produce. The block of choice was a 5.7L, based primarily on the fact that it is hard to find a 6.1L in a salvage yard.
Independent Repair Shop Summit 2010 Draws 195 Technicians
The 9th annual Independent Repair Shop Summit (IRSS) took place on October 2-3 in Minden, NV. Hosted by Ramac Industries, the IRSS is the 2nd largest technician and shop management training event on the West Coast.
AAPEX 2010 to Feature Engine Rebuild Demo Area
This new section on the show floor will feature live engine rebuilding demonstrations by Hendrick Motorsports technicians, as well as information on the benefits of repowered engines
NASCAR Performance and its Family of Exclusive Partners to Sponsor NASCAR Hall of Fame
Through this sponsorship agreement, NASCAR Performance will integrate its family of automotive brands into an interactive exhibit area in the Race Week section of the NASCAR Hall of Fame. The NASCAR Performance Race Shop is designed to give visitors an overview of a modern day race team shop and a behind-the-scenes look at what it takes for teams and their automotive engineers and technicians to prepare a car for the upcoming race weekend.
Tech Feature: Diesel Crankshaft Basics
Whether in a gasoline or diesel-powered engine, the crankshaft is a key component. With diesels, the crank is typically thought of as bigger, heavier and harder to get in the aftermarket. Some preconceptions are factual, say experts, while others are unfounded.
2009 NASCAR Stars Honored During Champions Week
A total of 14 highly coveted year-end special awards were presented at the annual NASCAR NMPA Myers Brothers Awards Ceremony on Dec. 3.
JASPER Names Lineup of Preferred Partners
The awards were presented during the Jasper Engines & Transmissions 22nd Annual Preferred Partners Banquet on Sept. 10.