Johnson Lifters
A 735hp 438ci Small-Block Ford Bullet
Digitizing Combustion Chambers to Increase Engine Power
805 HP All Motor Pump Gas Rat
1969 Z/28 Canted Valve 302
Hardcore Horsepower’s 692 HP 406ci Chevy
ARP’s Secret Fastener Technology Lab
RTST Ported Flow Testing Valves
663hp 434ci Small-Block Street Engine
A 735hp 438ci Small-Block Ford Bullet

A 735hp 438ci Small-Block Ford Bullet

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Digitizing Combustion Chambers to Increase Engine Power

Digitizing Combustion Chambers to Increase Engine Power

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805 HP All Motor Pump Gas Rat

805 HP All Motor Pump Gas Rat

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1969 Z/28 Canted Valve 302

1969 Z/28 Canted Valve 302

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Hardcore Horsepower’s 692 HP 406ci Chevy

Hardcore Horsepower's 692 HP 406ci Chevy

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ARP’s Secret Fastener Technology Lab

ARP's Secret Fastener Technology Lab

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RTST Ported Flow Testing Valves

RTST Ported Flow Testing Valves

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663hp 434ci Small-Block Street Engine

663hp 434ci Small-Block Street Engine

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News & Reviews

  • A 735hp 438ci Small-Block Ford Bullet A 735hp 438ci Small-Block Ford Bullet
    This 438ci 735 HP Ford drag racing engine represents Hardcore Horsepower's unconventional, but forward-thinking effort to create a strong single four-barrel engine based on an all Windsor parts collection. The result is one bad ass Windsor stroker...
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  • Digitizing Combustion Chambers to Increase Engine Power Digitizing Combustion Chambers to Increase Engine Power
    Extracting maximum power from racing engines requires extraordinary attention to small details that may be forgotten or easily overlooked. JE Pistons offers precision chamber digitizing so the piston designer can optimize the piston to chamber relationship and extract hidden power...
    Read More ...
  • 383 Chevy: Beyond the Crate! 383 Chevy: Beyond the Crate!
    Is the 383 small block Chevy the most popular engine ever? That's easy to believe based on the number of rotating assemblies sold by Scat Enterprises. It's noteworthy that the 383 originated from the performance community in the late seventies and became so popular that Chevrolet later adopted it...
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  • Why Johnson Hydraulic Roller Lifters Belong in Your Engine Why Johnson Hydraulic Roller Lifters Belong in Your Engine
    Johnson Lifters is on a mission to make certain you get all the performance you have coming from your race or high performance street engine. An essential part of Johnson Lifters' quality control program is identifying and solving common lifter issues that plague engine builders...
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  • 805 HP All Motor Pump Gas Rat 805 HP All Motor Pump Gas Rat
    "It's pretty cool when you finish the first day testing at 768hp and 720tq without really tuning anything." In their never-ending pursuit to build something just a little bit above & beyond the norm, Mike Petralia's Hardcore Horsepower & Dyno Shop in Franklin, TN pushed the go button on...
    Read More ...
  • Piston Speed in Hi-Performance Engines Piston Speed in Hi-Performance Engines
    Piston speed refers to the average or mean speed of the piston as it moves up and down in the cylinder bore during each crankshaft revolution. Since the piston actually comes to a...
    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..
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  • 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...
    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...
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  • 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...
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  • 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...
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SEMA Action Network – Zone 3 and 3b
Mitech Racing Zone 3b – FP (275x 250)

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