Performance Starts Here

Build a Better Engine

Build a Better Engine

Producing flow meters for internal combustion engine air-intake, exhaust and crankcase blow-by flow measurement.

J-TEC’s family of products including (from left) a VF563 Series Blow-By Flow Meter, the HBM453 Blow-By Flow Meter and Display, and the VF563 Series Canister.

J-TEC Products

Our family of products utilizes top-notch vortex shedding technology under actual operating conditions, and we provide options to fit within an existing testing system or as a standalone.

No matter the industry you’re in, we’ve got a product that can help you achieve your engine testing or maintenance goals.

See the VF563 Blow-By Flow Meter
J-TEC’s cleaning and calibration lab, with a team member hooking up a flow meter to the test stand for testing.

Cleaning and Calibration Services

Regular cleaning and maintenance are paramount to the success and longevity of any precision instrument. Which is why we encourage you to take advantage of our top-rated cleaning and calibration services anytime in our accredited testing lab.

Our trusted calibration technicians are ready to serve you.

Read About Our Services
Building a Better Product


Building a Better Product

  • Improved Emissions

  • Increased Fuel Efficiency

  • Increased Performance

  • Increased Horsepower

Industries We Service

J-TEC blowby meters are used by OEMs, laboratories, engineers, repair technicians, and performance engine builders around the world.


Measuring engine blowby is one of the best kept secrets of performance engine builders. J-TEC’s blowby meter can help minimize power lost and maximize performance and longevity.

Maintenance and Repair

How much crankcase pressure is too much? J-TEC’s blowby meter can help mechanics look inside an engine to know if it needs repair or if it still has many hours of service or miles to go.

Manufacturer (OEM) Engine Testing

OEM’s like Caterpillar, Cummins, and Ford rely on J-TEC’s blowby meters new engine development, end of line testing, and warranty service evaluation both at their manufacturing plans and local service centers.

Engine Research and Development

J-TEC’s blowby meter is used in laboratories and by engineers to test new lubricants, fuels, and new parts and materials in modern engines to reduce blowby and emissions, and maximize efficiency and engine life.

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J-TEC Associates has been accredited by A2LA to ISO standard 17025-2017 for calibration.

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