Author

Niles Nimmo

Niles Nimmo has worked on turbochargers for 19 years and is the name behind PT Turbo's guides. PT Turbo has rebuilt and supplied turbochargers in San Bernardino, California since 1978, for diesel pickups, heavy-duty trucks, industrial equipment and performance gas engines. Every rebuild is balanced in-house on a high-speed VSR machine and carries a 12-month, unlimited-mileage warranty. Have a question about a guide or a turbo? Call the shop at (909) 824-1020.

Holset HX40 Turbocharger: Specs, Cummins ISC Applications & Replacement
Turbocharger Tech Explained

Holset HX40 Turbocharger: Specs, Cummins ISC Applications & Replacement

The Holset HX40 turbocharger is one of the most recognized names in medium and heavy-duty diesel performance, and for good reason. Bolted to countless Cummins ISC…

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Holset HX35 Turbocharger: Dodge Ram 5.9L Cummins Application & Fitment Guide
Turbocharger Tech Explained

Holset HX35 Turbocharger: Dodge Ram 5.9L Cummins Application & Fitment Guide

The Holset HX35 turbocharger is the workhorse that put the 5.9L Cummins on the map. If you own a Dodge Ram 2500 or 3500 from the…

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Holset HE300VG Turbocharger: Variable Geometry Operation & Replacement Guide
Turbocharger Tech Explained

Holset HE300VG Turbocharger: Variable Geometry Operation & Replacement Guide

The Holset HE300VG is the variable geometry turbocharger bolted to the 6.7L Cummins in Ram pickups since 2013 and to many medium-duty ISB engines, and if…

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Holset HE351VE Turbocharger: Specs, Fitment & Complete Replacement Guide
Turbocharger Tech Explained

Holset HE351VE Turbocharger: Specs, Fitment & Complete Replacement Guide

If you run a 6.7L Cummins in a Ram 2500 or 3500, the Holset HE351VE is the variable geometry turbocharger bolted to your exhaust manifold, and…

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Chevy Silverado HD & GMC Sierra HD Duramax Turbocharger Guide: All Generations
Diesel Truck Platforms

Chevy Silverado HD & GMC Sierra HD Duramax Turbocharger Guide: All Generations

If you’re wrenching on a Duramax and the boost is gone, the check engine light is glowing, or you’re staring at a P003A or P226C code,…

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Ford F-250/F-350 Super Duty Turbocharger Guide: 6.0L, 6.4L & 6.7L Powerstroke Compared
Diesel Truck Platforms

Ford F-250/F-350 Super Duty Turbocharger Guide: 6.0L, 6.4L & 6.7L Powerstroke Compared

If you turn wrenches on Ford Super Duty trucks, you already know the turbocharger is where the 6.0L, 6.4L, and 6.7L Powerstroke engines earn their reputation,…

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International ProStar Turbocharger Guide: MaxxForce 13 Replacement & Upgrade Options
Diesel Truck Platforms

International ProStar Turbocharger Guide: MaxxForce 13 Replacement & Upgrade Options

An International ProStar with the MaxxForce 13 carries two turbochargers, not one: a large low-pressure BorgWarner turbo and a small high-pressure BorgWarner turbo working in series.…

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Mack Anthem Turbocharger Guide: MP8 Applications & Replacement Cost
Diesel Truck Platforms

Mack Anthem Turbocharger Guide: MP8 Applications & Replacement Cost

If you run a Mack Anthem turbocharger on an MP8 engine, you already know that boost problems don’t stay small for long. A hesitating VGT nozzle,…

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Volvo VNL Turbocharger Replacement Guide: D13 Applications by Model Year
Diesel Truck Platforms

Volvo VNL Turbocharger Replacement Guide: D13 Applications by Model Year

If you run Volvo VNL tractors or wrench on them for a living, you already know the Volvo VNL turbocharger is the single most expensive breathing…

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Peterbilt 389 Turbocharger Guide: Cummins ISX & PACCAR MX-13 Applications
Diesel Truck Platforms

Peterbilt 389 Turbocharger Guide: Cummins ISX & PACCAR MX-13 Applications

The Peterbilt 389 was the long-nose, classic-styled truck Peterbilt built from 2007 until 2024, when the Model 589 took its place, and under that hood you’ll…

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Kenworth T680 Turbocharger Guide: PACCAR MX-13 Replacement & Maintenance
Diesel Truck Platforms

Kenworth T680 Turbocharger Guide: PACCAR MX-13 Replacement & Maintenance

The Kenworth T680 turbocharger is one of the hardest-working components on the highway, and when it starts to fail, your PACCAR MX-13 loses power, throws codes,…

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Freightliner Cascadia Turbocharger Guide: DD13, DD15 & DD16 Applications by Year
Diesel Truck Platforms

Freightliner Cascadia Turbocharger Guide: DD13, DD15 & DD16 Applications by Year

A Freightliner Cascadia turbocharger is a Detroit turbocharger in most trucks: the DD13, DD15 or DD16. The three engines share one design choice that sets them…

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