cylinder heads Archives - Page 7 of 8 - Engine Builder Magazine
Building Better Cylinder Heads for Harley-Davidson’s Big Twin Engines

The Harley-Davidson cylinder head aftermarket is broad and deep with offerings from mildly modified stock castings to all-out racing billets. We see the whole range of this market on a daily basis here at GMS.

High-Tech Tightening – Fasteners take their rightful place of importance

When you build your engines, you put measured thought into every component you use. From the intake system to the exhaust manifold, everything has its place and nothing is installed without careful consideration. But what about the fasteners? Some of the most critical components are held together with relatively low-cost fasteners including screws, nuts and

Cylinder Head Design & Selection

Choosing the “right” cylinder heads for an engine build can make all the difference in an engine that delivers and one that falls short of its potential. Horsepower, torque and throttle response all depend on how well the cylinder heads, camshaft and induction system work together. Choose the right combination and you’ll build a winner.

Flow Bench Testing is More Than CFM Numbers – What You Need to Know

On the surface, flow bench testing seems easy, but it’s not. Many in the industry have become solely fixated on cubic feet per minute (cfm) numbers, placing importance on a number that is easily manipulated and ignoring other data about a cylinder head’s performance. This thinking would make flow bench testing seem easy, but this

Head & Block RESURFACING EQUIPMENT

Regardless of what type of engine work you do in your shop (stock, performance, diesel, marine or anything that comes in the door), you need the ability to surface heads and blocks.  Deck surfaces on high mileage heads and blocks are often corroded, pitted, scratched and/or out-of-flat – especially if the engine blew a head

The Lost Art and Business of Head Porting

If I had my current shop rate paid to me in a lump sum for every hour I spent porting and flowing heads and intakes in the ’70s and ’80s, I could build a new race car. In ’76 when I started running Pro Stock, my wife Linda got me a SuperFlow 110 for Christmas

Head Porting – Going with the Flow

Flow…that magical, mystical word that is seemingly carved in stone anytime the discussion topic turns to performance cylinder heads. Whether you are a seasoned veteran in the engine wars or finalizing the specs for your first ever build, it is virtually impossible to avoid it. The flip side of that coin always carries another word

Cylinder Head Design, Selection for Engine Builds

Choosing the “right” cylinder heads for an engine build can make all the difference in an engine that delivers and one that falls short of its potential. Horsepower, torque and throttle response all depend on how well the cylinder heads, camshaft and induction system work together. Choose the right combination and you’ll build a winner.

World SBC Heads Accepted for NHRA Super Stock

World Products S/R cylinder head, part number 042650, has recently been added to the NHRA accepted products list for Small Block Chevrolet engines in NHRA Super Stock.

Honda 3.5L Cylinder Head Removal/Install Procedures

If your installer customers complain about knocking or ticking from either cylinder head on a Honda 3.5L here are the some easy to follow steps to remove and install the cylinder heads.

Pro-Filer Sniper X Cylinder Head

Pro-Filer’s Sniper X Cylinder Head is the BBC head offered in the Sniper Series taken to a whole new level of performance with CNC porting. It features an intake runner that is less than .550″ off of the deck, 24-degree valve angle and unmatched flow characteristics.

Don’t Gamble When Choosing Cylinder Heads

A cylinder head is much more than a casting that tops off the block, holds the valves and forms the combustion chambers. The head works in combination with the camshaft, induction and exhaust systems to determine how the engine breathes, the engine’s power curve and personality.  The “right” cylinder head on an engine will deliver