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Cobb Tuning Subaru Stage 2 Power Package

Cobb OTS maps are aimed at reliably increasing power output with the use of Cobb Stage 2 Power Packages.

Speed Density vs Alpha-N Tuning Strategies

Choosing the best strategy for your application will ensure that the correct fueling and spark event is applied to the engine.

eBay Bans Non-Emissions-Compliant Tuning Parts, Accessories

eBay has banned the sale of automotive tuning devices that defeat the factory emissions systems.  The announcement was likely primarily due to policy and regulations implemented by the US Environmental Protection Agency (EPA). Under the Clean Air Act, the EPA can charge eBay up to $4,819 for each non-compliant part sold through its site, according

Oxygen Sensors & Tuning

Oxygen sensors and the closed-loop EFI systems that utilize them are fantastic tools that can unlock levels of performance unheard of just a few short years ago.

The EFI Tuning Evolution

Much of the acceptance of EFI has been due to aftermarket companies making them more user-friendly.

Motovicity Expands with Addition of Wagner Tuning

Motovicity Distribution has added another brand to its broad product portfolio. This time it’s Wagner Tuning. Wagner Tuning is a German high-performance auto parts manufacturer, specializing in engine parts such as intake manifolds, exhaust manifolds, downpipes and intercooler kits for a variety of European, American and Japanese car makes and models. Wagner’s racing line of

King Engine Bearings Becomes Title Sponsor of PZ Tuning

King Engine Bearings has announced its title sponsorship of PZ Tuning for the 2019 race season. The PZ Tuning Acura RSX will campaign in the Grid Life Touring Cup racing series.

Performance Engine Tuning

Poorly tuned engines don’t make as much power, period. If the engine responds to something, keep giving it more until it responds negatively.

Sniper EFI 2300 Two-Barrel Self-Tuning Kits

Holley/MSD has announced that Sniper EFI 2300 2-Barrel Self Tuning Kits are now available in three distinct finishes – shiny, classic gold, and black ceramic. They’re bolt-on carburetor replacements designed specifically for vehicles that came standard with a 2300 2BBL Holley carburetor.

Tuning Forced Induction Engines

Tuning a forced induction engine on a dyno can be a daunting task. Trying to tune an engine that will make lots of boost and a ton of power can be even more challenging. These engines tend to make so much power when they come on to the boost that they often will rip right through the RPM ranges you are trying to tune. This can be very frustrating to a novice tuner. Here’s something that may help.

Engine Tuning Tips for EFI

In today’s high tech world of computerized everything, it can be a challenge for even some seasoned engine builders and tuners to get the hang of punching buttons on a keyboard in exchange for twisting a screwdriver. While nothing about actually tuning the engines has changed much in the past 100 years or so, our

‘Fine Tuning’ Your Work: Customer Service After the Build

Customer satisfaction is every bit as important as the quality of your work if you expect to be a successful engine builder. You see, even when you build your customer the perfect engine, your customer must be happy with how their engine performs or your business and reputation will suffer. Far too many good engine

MaxJet Provides Repeatable Carburetor Tuning

When it comes down to tuning at the track, carburetor jetting is one of the key components of a successful run. A mixture that’s too rich will have a severe effect on performance, and a lean condition could severely affect the long-term reliability of pistons, valves and other internal engine components. carbura The MaxJet Precision

Performance Diesel: Turbos & Tuning

There is nothing more fast and furious than the roar of a turbo engine when it is finely tuned and performing efficiently on all levels. Whether pulling gear with the diesel truck or revving the street hot rod, making the most out of the turbo is crucial to most engine builders. As the consumer’s appetite

Tuning In To The EFI Market

There are many variables that need to be calculated and calibrated when it comes to electronic fuel injection (EFI), but simple fuel flow is just the beginning. EFI goes far beyond a replacement for a carburetor, and the electronic part of the equation is where these systems seem so complicated. Many EFI systems give you

Advanced Tips for EFI Tuning with Fuel Pressure

Below are many small but key points, tips and insights all “tuners” should know and understand before cranking on that adjustable regulator. 1) Install a fuel pressure gauge before removing the stock fuel pressure regulator and leave it installed until final adjustments are made to the new one. 2) Do NOT use liquid filled fuel

Tuning Your Camshaft for Maximum Oval Track Power

Driver style plays a big part in the picture. A driver who can keep the rpm up in the turns will be able to use a bigger cam than one who drops a lot of rpm. The same cam in the car with lower turn speeds will not have enough torque at the turn exit

Does Ignition Tuning Still Matter? Things You Need To Know

Spark plugs never foul out anymore, and the old term “it’s breaking up at high rpm” has literally disappeared from the racer’s vernacular. And now thanks to digital electronics, even the spark advance curve can be programmed on a laptop computer instead of adjusting weights and springs that fly around inside of a distributor. How

Carroll Shelby Engines to Offer Certified Performance Rebuild Services and Engine Tuning for Ford V8s

Carroll Shelby Engine Co., owned by Carroll Shelby who founded Carroll Shelby International Inc., has expanded its line of services at its Southern California location to include performance tuning and rebuilding of Ford V8 motors. The company also offers a line of complete aluminum 351 Windsor and big block aluminum “FE” motors and parts.  

Carburetor Tuning: A/F Mixture, Air/Fuel Equation

Now that the ignition spark timing advance curves are optimized for the blend of reformulated and/or oxygenated gasoline your customers are using we will now show you how we use tools such as a 5-gas exhaust analyzer and wideband Lambda air/fuel (A/F) meter to tune the mixture. The Air/Fuel Mixture A lean fuel mixture can