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New Sealed Power Digital Diamond Profiled Pistons Bring World-Class Precision and Performance to Chevrolet Small-Block Engines

Federal-Mogul Corporation has introduced a broad line of Sealed Power pistons that apply the latest materials, designs and machining processes to the venerable Chevrolet small-block engine platform.
By Shop Owner Staff
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Federal-Mogul Corporation has introduced a broad line of Sealed Power pistons that apply the latest materials, designs and machining processes to the venerable Chevrolet small-block engine platform.

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New Sealed Power Digital Diamond Profiled (DDP) pistons, manufactured and machined in Federal-Mogul’s original equipment piston facility in South Bend, Ind., incorporate dozens of advanced engineering and machining features to help customers achieve new levels of engine efficiency, performance and reliability.

“We approached this program with one goal: to apply the latest OE-proven piston technologies to the world’s most popular engine platform,” said Raymond King, global marketing director, engine components, Federal-Mogul. “These pistons raise the bar in virtually every area of component design and manufacturing, which in turn enables our customers to equip vintage small-block engines with advanced technology and the ultimate piston materials and designs.”

Federal-Mogul’s Digital Diamond Profiling process maintains individual piston diameters to within 16 microns across each complete set, enabling engine builders to utilize uniform bore sizes for more efficient machining and improved performance. In addition, Federal-Mogul engineers have developed sophisticated “barreled” top and bottom skirt profiles that compensate for thermal expansion and contraction, minimize wall contact and allow the piston to “roll” rather than “slap” within the cylinder, reducing noise. This unique profiling technology also helps optimize the oil wedge between the skirt and wall for exceptional durability under varying loads.

Piston skirts are further protected by Federal-Mogul’s next-generation DUROSHIELD moly-graphite coating, which significantly reduces friction, noise, vibration and harshness. This advanced coating is atomically bonded to the substrate for lifetime protection against scuffing while significantly reducing friction.

Each Sealed Power DDP piston also features Federal-Mogul’s exclusive Thermal Arching Compensation (TAC) technology, which comprises tightly controlled ring-groove up-tilt and machining consistency to reduce oil consumption, blow-by and emissions and help extend engine life.

Sealed Power Digital Diamond Profiled pistons are cast from Federal-Mogul’s exclusive FM 425 aluminum alloy, the same material used in many of today’s most powerful new engines. This proprietary material, featuring 16 percent silicon content, permits tighter piston-to-wall clearances for improved sealing, increased power and quieter operation.

Offered in full sets as well as piston-and-ring combination kits, each is weight-matched to a tolerance of 2 grams maximum variation per set. Other important features of these pistons are:

• Fully machined bowl and valve reliefs, with crown volume tolerances held to 0.3cc;
• Precisely machined pin bores that accommodate fixed or floating wrist pins and circlips; and
• Large pin-bore lube slots for enhanced load carrying capacity and trouble-free operation.

For detailed information regarding these new pistons and to download a complete listing of available applications, visit www.sealedpowerpistons.com or contact your engine parts provider.

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Although every sale of a shop in which I am involved has its own unique set of circumstances, which makes my job both very interesting and very challenging, Cowden Automotive stands out as particularly memorable because I was able to demonstrate to the long-time owner, Paul Cowden, that his business was worth about three times what he had initially thought.

By Art Blumenthal
Leveraging more than 30 years of experience as both an aftermarket business owner and aftermarket technology executive, Art Blumenthal LLC provides business intermediary and advisory services to both buyers and sellers of industry businesses of all sizes. Art is a member of IBBA (International Business Brokers Association, Inc.). For more information, or to initiate a no-obligation confidential consultation, visit www.art-blumenthal.com.
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Case Study: Owner of San Francisco-based Import Service Shop Delighted to Discover Just How Valuable His Business is to Qualified Buyers
I sometimes share case studies of the clients I have been able to assist in my role as an aftermarket business broker and provider of intermediary and advisory services. I do that when I think the story will provide a reader in similar circumstances with new insights or helpful information.
In the case of Cowden Automotive, Inc., I acted in a consulting capacity assisting the owner and his broker in valuing the business, creating a marketing plan, finding a qualified buyer, and arranging financing for the sale.
Although every sale of a shop in which I am involved has its own unique set of circumstances, which makes my job both very interesting and very challenging, Cowden Automotive stands out as particularly memorable because I was able to demonstrate to the long-time owner, Paul Cowden, that his business was worth about three times what he had initially thought.
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