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The Demands on Diesel Pistons and Sleeves

The pistons are some of the hardest working components inside a diesel engine. Diesel engines are high compression, high heat engines that demand a lot from their pistons. Compression ratios are typically in the 16:1 to 20:1 range, which improves thermal efficiency and fuel economy, but also creates more pressure. Cylinder pressures in many production

Sleeves & Liners

I often hear customers ask about the difference between a sleeve and a liner. It’s an understandable question. Automotive guys call them sleeves and diesel guys call them liners. And while they may be used for similar purposes, the perception of what they do may be very different among different groups. Many automotive enthusiasts understand

Proper Installation of Elastomer Cylinder Head Cover Gaskets

The advantages are clear: weight reduction, a high degree of constructional freedom in design, integratability of additional components such as the "Multitwister" oil separator, decoupling of components and therefore reduction in noise emissions, etc. An adaptable rubber gasket requiring only little line pressure ensures reliable sealing. Regarding warping and bolt spacing, however, physical limits are

Cylinder Sleeve Installation Procedures for 2002-2006 GM Ecotec Engines

This information is an update to previously published information on cylinder sleeve replacement for 2002-2006 GM Ecotec 2.0L, 2.2L and 2.4L 4-cylinder engines. A Cylinder Sleeve Removal/Installation tool (p/n EN45680-850) is required for this procedure. Tools are available from Kent Moore. Do not chill or heat the cylinder bore sleeve or the cylinder block when

Cylinder Bores-Machining To Sleeving

  The function of a cylinder bore is fairly simple yet quite demanding. The bore is nothing more than a cylindrical void which contains the engine’s air/fuel mixture as it undergoes compression and combustion.   The walls of the cylinder have to be strong enough and rigid enough to withstand high combustion pressures and temperatures

Today’s Cylinder Block Choices Broader Than Ever

In this case, “best” power means that the engine does exactly what the driver – regardless of racing type – wants it to do,  when he wants it to do it. It also helps the driver’s winning percentage if the engine makes it to the end of the race. Remember that old saying: “To finish

Cylinder Sleeve Installation Procedures

Dry sleeves have long been used to repair damaged and worn cast iron and aluminum engine blocks.  If a cylinder has excessive taper wear, or is cracked, scored or otherwise damaged, boring out the damaged cylinder and installing a repair sleeve can often save the block.  Likewise, if all of the cylinders are heavily worn,

Diesel Cylinder Head Rebuilding

If you have ever tried to start most diesel engines in cold weather, you know that you have to have an engine heater, or you have to have a starting aid like starting fluid. These engines most commonly did not have a computer, and the fuel pressure would be in the range of around 3,000

Tips for completing the job when resurfacing 16.3L Mack diesel cylinder heads

Q Any tips for completing the job when resurfacing 16.3L Mack diesel cylinder heads? A The AERA Technical Committee recommends that you pay attention to the fire ring grooves on 1990-2000 Mack E9 diesel engine cylinder heads whenever you resurface the head. This cylinder head incorporates a circular groove around each combustion chamber and a

Porsche 996 C4 Complete Engine Rebuild

Complete engine rebuild of a Porsche 996 C4 with piston slap. The pistons, cylinder sleeves, IMS bearing, AOS, water pump, coolant hoses and more were all replaced during the build.

Shop Solutions – February 2024

Submit your Shop Solution at [email protected].

All-Billet Duramax Drag-and-Drive Engine

Having been put on the back burner due to Wagler Competition’s popular DX Duramax engines, this brand-new billet Duramax engine has finally made it to the forefront. Rather than being aimed at truck pullers, this lighter diesel engine is specifically designed for drag racers and drag-and-drive events. Check out what makes this Duramax unique.

Wagler billet Duramax engine
Billet Blocks and Heads vs. Cast Iron

Billet aluminum has a lower yield strength or higher modulus of elasticity, meaning it will flex, or absorb energy easier under tension or stress than cast aluminum, without incurring permanent damage.

Justin Zeigler’s UCC Record-Setting 6.7L Cummins Engine

Justin Zeigler of Zeigler Diesel Performance sealed a repeat win at UCC 2022. His performance included a 4.99-second 1/8th mile pass and smashing the UCC Dyno record with 3,336 HP! It’s all thanks to his 6.7L-based Cummins Enforcer engine. Check it out!

6.7L Cummins Engine
Dry Sleeving Engines

As aluminum continues to be a preferred material for newer engine blocks, and as existing cast iron blocks continue to be driven for more and more miles and under tougher and tougher operating conditions, sleeves continue to be the saving grace.

680 cid OTTPA Pro Stock John Deere

No Limit MFG’s facility has multiple CNC machines, fabrication equipment, multi-axis machines, cam grinding equipment, and engine building equipment that allows the shop to do work like this 3,000+ horsepower, 680 cid, OTTPA Pro Stock John Deere diesel engine, almost entirely in-house. Find out what went into this insane engine!

Shop Solutions – August 2019

Industry Tips and Tricks

KDD 6.0L Powerstroke

Using a background in building blown alcohol monster truck engines, Jared Alderson has built Kill Devil Diesel into an elite performance diesel engine shop capable of creating custom, one-off builds like this 6.0L Powerstroke for KC Turbos’ race truck. Find out why this is one special 6.0L!

2.35L Subaru Stage X Closed-Deck Engine

Justin Anning and his engine shop, Nemesis Performance, don’t do things people normally do. He does things differently, and nothing is more proof of that than his recent build of a 2.35L Subaru Stage X Closed-Deck engine for drag racing. Find out why Justin is calling this his biggest and baddest engine yet!

Sleeve Length and Stroker Engines

Sleeving an engine block is done for two primary reasons. The first is to repair a cracked or otherwise damaged cylinder to save the block. The second is increasing displacement by allowing for a larger bore size. In either case, the sleeving process must be performed carefully to ensure satisfactory results. Careful measurements are required