Post Tagged with: "cylinder head tech"

Engine & Exhaust / Tech Articles

Head Games: Are There Any Secrets to Installing Modern MLS Head Gaskets?

Cylinder head gaskets have certainly evolved over the years. We’ve gone from steel to composite to graphite and finally back to steel (at least something similar to steel) again. And […]

Engine & Exhaust / Q&A

Ask Away! with Jeff Smith: Picking a Cam & Cylinder Heads for a Mild Street Small Block Chevy

I am building a mild street engine and researching my existing heads for air flow. The casting number on my cylinder heads reads 10147898: It appears these are 1995 through 1998 350ci […]

Head Games! A Double Test of Trick Flow’s CNC 185 Cylinder Heads for Small Block Ford
Engine & Exhaust / Tech Articles

Head Games! A Double Test of Trick Flow’s CNC 185 Cylinder Heads for Small Block Ford

Here is a simple question: Do cylinder heads help determine the effectiveness of your Ford combo, or, does the combo help determine the effectiveness of the heads? The reality is […]

Engine & Exhaust / Q&A / Tech

Ask Away with Jeff Smith: Is 10:1 Compression Compatible with 91 Octane Fuel?

I want to build a 350 Chevy with iron heads and a 10.0:1 compression ratio. Will that work on 91 octane pump premium fuel? H.C. Seemingly simple questions like this […]

Induction / Q&A

Mailbag: How Exhaust Runner Volume Affects Engine Performance

Q: How is exhaust runner volume measured and how does it affect performance? … A: Exhaust runner volume is the measure of the passage from the exhaust valve to the […]

proper spark plug reach
Engine & Exhaust / Q&A

Ask Away! with Jeff Smith: How Much Power Can I Make By Adding Ported Vortec Heads to My SBC Engine?

You did a tech answer around two years ago which was about adding a set of Vortec heads to a small-block Chevy. How much of a horsepower gain could you […]

Engine Masters Ep. 28 image by Hot Rod
Tech Articles

Do Big Intake Runners Kill Bottom-End Torque? The ‘Engine Masters’ Investigate

The Motor Trend show Engine Masters is all about finding out what makes horsepower and what doesn’t. Hosts David Freiburger and Steve Dulcich have tested everything from headers and carburetors […]

Tech / Tech Articles

Head Start (Part 2): A Basic Guide to Choosing Aftermarket Cylinder Heads

In our Head Start series, we’re giving you the dos and don’ts of choosing aftermarket cylinder heads. Part One covered the don’ts — the most common mistakes people make when cylinder head shopping. Now we’re […]

Q&A / Tech

Mailbag: Mating and Sealing Tips for Milled Cylinder Heads

Q: I have a Chevy 350 small block. The heads have been milled .020-inch; the block and Weiand Stealth intake were not cut. Will I need a thicker intake gasket to […]

Tech / Tech Articles

Head Milling 101: The Basics of Head Milling to Gain Compression

Compression equals horsepower. The reason is simple: The more you squeeze the air and fuel mixture in the combustion chamber, the more power you can create. In theory, forcing air and […]