Tech Article

Connect The Rods: I-Beam and H-Beam Connecting Rods Explained

Connect The Rods: I-Beam and H-Beam Connecting Rods Explained

Connecting rods are probably one of the easiest parts to understand in an engine - they have to make sure the pistons are moving up and down when the crankshaft tells them to. Where things start to get complicated is in examining the design of a connecting rod and determining the best option for your uses...

16 November 2020
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Tips and Tricks For Filing Piston Rings

Tips and Tricks For Filing Piston Rings

The ring gap allows the expansion of the piston rings in the bore – due to engine heat – without butting the ends up against each other. If there isn't enough gap and the ring butts up against itself, it will distort the ring's shape, causing a leak path against the cylinder wall...

16 November 2020
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Max-Lift BSR Shaft Rocker System from COMP Cams

Max-Lift BSR Shaft Rocker System from COMP Cams

The LS engine has been around for over 20 years now, and one thing that makes this engine such a popular choice with enthusiasts is its durability of the engine. It’s not uncommon to see these engines in stock form go well north of 200,000 miles on the odometer...

16 November 2020
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 Let's Talk Engine Balancing With SCAT Crankshafts

Let's Talk Engine Balancing With SCAT Crankshafts

Crankshaft balancing is just that, a balancing act. When an engine is running, there are many different forces working against each other that need to work in harmony. Unfortunately, the balancing process is something that many enthusiasts rarely give a second thought...

16 November 2020
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Edelbrock’s AVS2 Carburettor: Improving Response and Modulation

Edelbrock’s AVS2 Carburettor: Improving Response and Modulation

Finding a good compromise between having the response and throttle modulation of EFI with the price and versatility of a proper carburettor is challenging. Many want to keep their classic car authentic and avoid too much retrofitting of parts, so the appeal of the classic carburettor is usually the way to go...

16 November 2020
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Checking And Setting Lifter Preload On The LS Engine

Checking And Setting Lifter Preload On The LS Engine

The LS is officially 20 years old now, yet it seems something new comes along almost daily with regard to performance-building these engines. On the traditional small-block Chevy, everyone learned at a tender age about setting lash, whether it was clearance on a solid lifter cam or preloading the lifters for a hydraulic cam...

16 November 2020
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One-Wire Or Three-Wire Alternator: There’s No Wrong Choice

One-Wire Or Three-Wire Alternator: There’s No Wrong Choice

When our hot rods were new, the limited output of the alternator was enough to sustain the power needed to run the engine with the headlights on. Back then, high-amp stereos, electronic ignitions, and fuel injection were not part of the power draw on the battery. That meant there was no need for high-amp alternators...

16 November 2020
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MLS Head Gaskets: There’s More Than Just Bolting Them In Place

MLS Head Gaskets: There’s More Than Just Bolting Them In Place

Back when the automobile was in its infancy, things were very basic. You could rebuild your Model T with a flathead screwdriver, a couple wrenches, and a hammer. Today, technology has advanced to well beyond using simple tools and techniques to build our modern-day high-performance engines...

16 November 2020
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Clearing the Air on Bearing Clearances

Clearing the Air on Bearing Clearances

Engine connecting rod and main bearing clearances have tightened in recent years for many racing applications, but there are caveats to this trend that engine builders need to acknowledge...

16 November 2020
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Straight vs. Curved Fan Blades - Dispelling the Myth!

Straight vs. Curved Fan Blades - Dispelling the Myth!

The relative merits and technology of curved vs. straight fan blades have been debated for some time. Davies Craig conducted a thorough research program to formulate the design of fans in which several design types including straight blades and curved blades with and without a ring were considered.

16 November 2020
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