Johnson Lifters
1969 Z/28 Canted Valve 302
Basic Engine Block Prep 101
Smokin’ the Speed Demon
Turbocharged Y-Block for Bonneville
Hardcore Horsepower’s 692 HP 406ci Chevy
Early Hemi Single Plane 4V Intake Test
ARP’s Secret Fastener Technology Lab
RTST Ported Flow Testing Valves
663hp 434ci Small-Block Street Engine
1969 Z/28 Canted Valve 302

1969 Z/28 Canted Valve 302

1
Basic Engine Block Prep 101

Basic Engine Block Prep 101

2
Smokin’ the Speed Demon

Smokin' the Speed Demon

3
Turbocharged Y-Block for Bonneville

Turbocharged Y-Block for Bonneville

4
Hardcore Horsepower’s 692 HP 406ci Chevy

Hardcore Horsepower's 692 HP 406ci Chevy

5
Early Hemi Single Plane 4V Intake Test

Early Hemi Single Plane 4V Intake Test

6
ARP’s Secret Fastener Technology Lab

ARP's Secret Fastener Technology Lab

7
RTST Ported Flow Testing Valves

RTST Ported Flow Testing Valves

8
663hp 434ci Small-Block Street Engine

663hp 434ci Small-Block Street Engine

9

News & Reviews

  • How to Build Racing Engines: Guide to Torque and Horsepower How to Build Racing Engines: Guide to Torque and Horsepower
    Competition engines are designed and built to generate maximum torque and horsepower for their size and intended operating environment, but what exactly does that mean? Torque is the heart of the matter. Engine torque is the force potential or turning moment applied to the crankshaft flange...
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  • Koul Tools Braided Hose Assembly Kits Koul Tools Braided Hose Assembly Kits
    Koul Tools hose end assembly kits have been on the market for some time, but its amazing how many people still don't take advantage of them when assembling high performance hose ends for their engines...
    Read More ...
  • Earl’s New Vapor Guard Hose and Fittings Earl’s New Vapor Guard Hose and Fittings
    Earl's new Vapor Guard hose and hose ends provide a complete, economical solution that virtually eliminates fuel permeation issues common with most rubber fuel lines. Vapor Guard’s...
    Read More ...
  • 1969 Z/28 Canted Valve 302 1969 Z/28 Canted Valve 302
    An in depth look at a one-off all aluminum canted valve, crossram inducted Chevrolet small block evaluated for the '69 Z/28. A glimpse of something so unique and bad ass for its day that Chevrolet could have charged a premium for it and won big off the track. Sadly they chose not to...
    Read More ...
  • How to Build Racing Engines: Crankshaft Selection Guide How to Build Racing Engines: Crankshaft Selection Guide
    A high-end racing engine can produce a combustion pressure of about 1,400 to 1,500 psi. For example, if you apply that pres­sure to a 4.185-inch-diameter piston, as found in a Sprint Cup engine, it translates to a force exceeding 19,000 pounds against the rod journal for every cylinder. That’s a staggering compressive load...
    Read More ...
  • How to Build Racing Engines: Cylinder Block Guide How to Build Racing Engines: Cylinder Block Guide
    Cylinder block selection is primarily application specific and may be limited by racing series rules. Requirements of your specific application may influence your choices based on block material, bore spacing, main cap material and configuration, cam location, and machinability. Selection might be limited to a two-bolt main stock pro­duction block or...
    Read More ...

Top Tech Tips

  • Understanding Dynamic Compression Ratio Understanding Dynamic Compression Ratio
    Your engine actually has two compression ratios, static compression ratio and dynamic compression ratio. Static compression ratio is what you measure when you cc' the combustion chambers, calculate the gasket and deck height volumes, figure in dome or dish volume, valve reliefs and...
    Read More ...
  • ARP’s Secret Fastener Technology Lab ARP’s Secret Fastener Technology Lab
    ARP's test lab has quantified the potential for a 20% or more loss in clamping force with used nuts depending on the condition of the nut and how many times it has been previously torqued...
    Read More ...
  • RTST Ported Flow Testing Valves RTST Ported Flow Testing Valves
    The RTS kit permits precise mapping of the airflow values around the circumference of the valve at any lift value. It helps identify shrouded areas, poor performing short side radii and other obstructions such as valve stems and guides and...
    Read More ...
  • Engine Building Rules Part 1: Planning Engine Building Rules Part 1: Planning
    Consider a typical performance engine build plan that holds true for many budget based bracket racing builds and illustrates how insufficient research and planning can steer an engine project down the wrong path right from the beginning. The first mistake is...
    Read More ...
  • Effects Of Changes in Cam Timing and Lobe Separation Angle Effects Of Changes in Cam Timing and Lobe Separation Angle
    The following tables provided by COMP Cams illustrate how variations in lobe separation angle and cam timing affect engine behavior. Engine builders can refer to these characteristics often to determine the likely effect of any cam timing alterations they may contemplate...
    Read More ...
  • Camshaft Basics Camshaft Basics
    Pushrod based engines use two basic types of camshaft; either flat tappet or roller tappet. It’s a little more complicated than that, but it basically comes down to the type of lifter. Up until the mid-eighties most production engines used flat tappet lifters with a crowned face that rides directly on the camshaft lobe...
    Read More ...
SEMA Action Network – Zone 3 and 3b
Mitech Racing Zone 3b – FP (275x 250)

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