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.

2003-2007 Ram 5.9L Cummins Turbocharger Guide: HY35W, HE341CW & HE351CW
Diesel Truck Platforms

2003-2007 Ram 5.9L Cummins Turbocharger Guide: HY35W, HE341CW & HE351CW

This 2003-2007 Ram 5.9L Cummins Turbocharger Guide covers the factory turbochargers Dodge fitted to the 5.9L 24-valve Cummins in these years, how to tell which one…

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IHI RHB5 Turbocharger: Small Diesel & Marine Application Guide
Turbocharger Tech Explained

IHI RHB5 Turbocharger: Small Diesel & Marine Application Guide

If you run a small diesel or a marine auxiliary, the IHI RHB5 Turbocharger is one of the compact chargers you are most likely to find…

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Garrett T4 Turbocharger: Flange Specs, Applications & Replacement Reference
Turbocharger Tech Explained

Garrett T4 Turbocharger: Flange Specs, Applications & Replacement Reference

When a diesel builder asks us about a Garrett T4 Turbocharger, the question is almost always about a turbine inlet flange rather than one single part…

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Holset H1C Turbocharger: Classic 5.9L Cummins Specs & Replacement Guide
Turbocharger Tech Explained

Holset H1C Turbocharger: Classic 5.9L Cummins Specs & Replacement Guide

The Holset H1C Turbocharger is the turbo that launched the Dodge Ram Cummins era, bolted to the 5.9L 6BT 12-valve in 1989 and carried through the…

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Garrett GT45 Turbocharger: High-Flow Diesel Applications & Sizing Reference
Turbocharger Tech Explained

Garrett GT45 Turbocharger: High-Flow Diesel Applications & Sizing Reference

The Garrett GT45 Turbocharger sits in the large-frame class that owner-operators and diesel builders reach for when a stock-size charger simply runs out of air. It…

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BorgWarner K04 Turbocharger: Upgraded K03 Applications & Fitment Guide
Turbocharger Tech Explained

BorgWarner K04 Turbocharger: Upgraded K03 Applications & Fitment Guide

If you are chasing more airflow out of a small-frame gasoline turbo engine, the BorgWarner K04 Turbocharger is one of the most common and well-understood step-ups…

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Garrett GT35 Series Turbocharger: Medium Diesel & Performance Applications
Turbocharger Tech Explained

Garrett GT35 Series Turbocharger: Medium Diesel & Performance Applications

The Garrett GT35 Series Turbocharger is one of the most widely used large-frame Garrett platforms in both medium diesel service and the performance aftermarket, spanning factory…

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Holset HX50 Turbocharger: Large Displacement Cummins & Industrial Applications
Turbocharger Tech Explained

Holset HX50 Turbocharger: Large Displacement Cummins & Industrial Applications

The Holset HX50 Turbocharger is a large-frame, fixed geometry unit built for the big-displacement diesels that move freight and run equipment all day, and it has…

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P0299 on 6.7L Cummins: HE300VG vs HE351VE Turbo Diagnosis Guide
Diesel Diagnostics

P0299 on 6.7L Cummins: HE300VG vs HE351VE Turbo Diagnosis Guide

A P0299 on 6.7L Cummins is an underboost code, meaning the ECM commanded a certain amount of boost and the sensors reported the engine never reached…

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How Long Does a Turbocharger Rebuild Take? Realistic Timelines Explained
Turbo Guides

How Long Does a Turbocharger Rebuild Take? Realistic Timelines Explained

How long does a turbocharger rebuild take? It is the first question most owner-operators and fleet managers ask once a turbo starts smoking, whining, or dropping…

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Turbocharger Fault Codes: The Full List of Boost Codes and What They Mean
Diesel Diagnostics

Turbocharger Fault Codes: The Full List of Boost Codes and What They Mean

This page lists the turbocharger fault codes a scan tool can show for the boost system: the generic OBD-II codes for boost pressure, boost control, the…

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Garrett GT25 Series Turbocharger: Light Diesel Application & Fitment Guide
Turbocharger Tech Explained

Garrett GT25 Series Turbocharger: Light Diesel Application & Fitment Guide

The Garrett GT25 Series Turbocharger is one of the most widely applied small-frame units Garrett has ever built, and that is exactly why it causes so…

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