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SEMA 2021: Air Flow Research Debuts Its CNC Gen-III Hemi Head

AFR has released its entry into the Gen-III Hemi world with all-new, fully CNC-machined castings. The AFR cylinder heads will also be available as-cast, but still with big flow numbers.

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PRI 2021: Brodix Now Offers Direct Fit 5.3 LS Cylinder Heads

The LS engine continues to be one of the most popular mills around. Brodix's new 5.3 LS cylinder heads are a direct replacement for the OEM heads.

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PRI 2021: Chevrolet Performance Improves On COPO LS Heads

Chevrolet Performance continues to improve its products. We take a look at the redesigned COPO supercharger heads for the LS.

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Project Boring 4-Valve Pt. 2 — The Cylinder Head And Valvetrain

While a mild build, there are still quite a few gains to be unlocked in the top end of the Boring 4-Valve's DOHC engine. Custom cams and some nifty valvetrain components will help this engine sing.

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Big And Tall: Chevy’s RS-X / ZZ632 Big-Block Cylinder Heads Are Huge

When Chevrolet Performance released the ZZ632 big-block earlier this year, they included a new style of cylinder head. Built on Pro-Stock R&D efforts, the RS-X head has hints of LS development as...

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PRI 2022: Turn Your 5.3 LS Into A Beast With Brodix’s BR 3 Heads

GM's 5.3-liter LS engine is capable of making big horsepower. Brodix's new 5.3 LS cylinder heads are great for any 5.3-based engine build.

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CNC Worship: Inside Lingenfelter’s Ported 243/799 Cathedral Heads

Lingenfelter's porting program along with a valvetrain upgrade, will make for the perfect high-RPM cylinder head package. Add in a pair of Performance Design carbon fiber valve covers, and we have a...

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CC’ing Heads — How To Measure Your Combustion Chamber Volume

Measuring your cylinder head's combustion chamber volume is a critical step to ensure that you have your desired compression ratio. The process is straightforward and the tools are easy to use.

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Video: Developing A Cylinder Head — Step 1: Designing The Valves

When designing a brand new cylinder head porting program, the first step in the process is to figure out the valve configuration. Prestige Motorsports walks us through the process.

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Edelbrock Power Packages Make Building An Engine Easier

It can be a challenge to pick the right parts for the top end of your engine. Edelbrock makes that process easier with its Power Packages.

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SEMA 2023: Edelbrock Victor Full-Race Gen-III HEMI Cylinder Head

Edelbrock's Victor Gen-III HEMI cylinder head brings a whole host of improvements to the full-race design. By correcting some factory design flaws, and improving everything else, these heads will make...

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PRI 2023: CNC-Ported Trick Flow Super 23 215cc Cylinder Heads

These new CNC-Ported Trick Flow Super 23 215cc heads build upon the "as cast" versions. CNC brings more value to this small-block head.

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Get Into The Groove — Contain Combustion With O-Rings Or Fire Rings

When power-adders raise combustion pressures to extreme levels, engine builders look for a little help from O-rings or fire-rings. The little metal wires can make a significant difference in...

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Improving The Best: Testing MPR-Built Gen-3 Coyote Cylinder Heads

The Gen-3 Coyote cylinder head is one of the best OEM cylinder heads to ever come out of the Blue Oval. MPR makes them even better with CNC port work and a host of aftermarket parts.

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“What I Learned Today” With Jeff Smith — Blind Bolt Hole Blunders

When moving to a block with blind bolt holes after using ones where the fasteners extend into the water jackets, there are some new things to consider.

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“What I Learned Today” With Jeff Smith — Keeping Water And Oil Apart

Keeping water and oil separate is the job of the head gasket. However, the head gasket isn't the only component that keeps the two apart.

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SEMA 2021: Air Flow Research Debuts Its CNC Gen-III Hemi Head

AFR has released its entry into the Gen-III Hemi world with all-new, fully CNC-machined castings. The AFR cylinder heads will also be available as-cast, but still with big flow numbers.

View Article


PRI 2021: Brodix Now Offers Direct Fit 5.3 LS Cylinder Heads

The LS engine continues to be one of the most popular mills around. Brodix's new 5.3 LS cylinder heads are a direct replacement for the OEM heads.

View Article

PRI 2021: Chevrolet Performance Improves On COPO LS Heads

Chevrolet Performance continues to improve its products. We take a look at the redesigned COPO supercharger heads for the LS.

View Article

Project Boring 4-Valve Pt. 2 — The Cylinder Head And Valvetrain

While a mild build, there are still quite a few gains to be unlocked in the top end of the Boring 4-Valve's DOHC engine. Custom cams and some nifty valvetrain components will help this engine sing.

View Article
Browsing all 1977 articles
Browse latest View live