Sizing Up The Valve Guide
Worn guides will draw oil down the valve stem and will coat or coke on the port side of the valve. This will hinder air flow and cause engine performance to be compromised. Too much oil getting down that valve stem and may cause mechanical failure due to the increased possibility of pre-ignition. Worn valve
Parts Sales and Profits: First Admit There
Yes, believe it or not, I am attempting to show a parallel between the famous Twelve-Step programs – plans designed to help one admit the size and scope of addictive or dysfunctional problems and reinforce the need to ask for help for success – and a plan we can create to resurrect parts sales and
Post-War Engines: The Greatest Generation?
“The popularity of the post-war engines being rebuilt is not much different than the pre-war models,” says Packard Industries’ Bob Rovegno. “GM rules the roost, with Cadillac, Oldsmobile, Buick leading the way, and surprisingly, Lincoln-based 383s, 410s, 430s, 462s are next and the old Mopar or Ford flathead V8s are up there in the top
Heavy-Duty Diesel: Big Opportunity, Big Challenges
One of the most sought-after status symbols in America is a pickup truck with a Cummins, Duramax or Powerstroke engine. The expectation continues that diesel automotive engines will soon find their way in larger numbers to our shores. A rebounding economy should help get trucks moving again and recapture some lost maintenance dollars. First, what
Diesel Performance: Camshafts, Lifters and Valvetrain
Diesel performance is nothing new. What is new is the level of interest in diesels for all kinds of racing; everything from traditional truck and tractor pulling to drag racing, even sports car and endurance racing. Diesel engines are a different type of animal when compared to gasoline engines. While both use the same four-stroke
Connecting Rods and Bearings
Selecting connecting rods and rod bearings for an engine is a lot more complicated when you are modifying the engine from stock specifications. OEMs spend a lot of time and money developing the components that go into a stock engine, and cost is usually a factor in what components are used. Rod bearings also play