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.

IHI Turbocharger Complete Model Guide: RHF, RHB, VF & Marine Series Reference
Turbocharger Tech Explained

IHI Turbocharger Complete Model Guide: RHF, RHB, VF & Marine Series Reference

If you’ve spun a wrench on Japanese and European diesels, you already know the IHI turbocharger by feel. The RHF and RHB series bolt to everything…

Read the guide →
IHI RHF5 Turbocharger: Isuzu & Light Commercial Applications Guide
Turbocharger Tech Explained

IHI RHF5 Turbocharger: Isuzu & Light Commercial Applications Guide

The IHI RHF5 turbocharger is one of the most common units a diesel tech will ever pull off a light commercial rig, and for good reason.…

Read the guide →
BorgWarner K31 Turbocharger: MAN, Mercedes-Benz & Volvo Penta Application Guide
Turbocharger Tech Explained

BorgWarner K31 Turbocharger: MAN, Mercedes-Benz & Volvo Penta Application Guide

The BorgWarner K31 turbocharger is a large fixed geometry turbo from the K-series that BorgWarner inherited from the German maker KKK. It is a European heavy-engine…

Read the guide →
BorgWarner S300 vs S400 vs S480: Which Turbocharger for Your Application?
Turbocharger Tech Explained

BorgWarner S300 vs S400 vs S480: Which Turbocharger for Your Application?

If you’re spec’ing a turbo for a diesel build or a fleet repower, the BorgWarner S300 vs S400 vs S480 question comes up on nearly every…

Read the guide →
BorgWarner S400 Turbocharger: High-Flow Applications & Fitment Reference
Turbocharger Tech Explained

BorgWarner S400 Turbocharger: High-Flow Applications & Fitment Reference

The BorgWarner S400 turbocharger is the workhorse behind more high-flow diesel builds than almost any other frame on the market. If you’re pushing a Cummins, Duramax,…

Read the guide →
BorgWarner S300 Turbocharger: Complete Application Guide for Cummins, CAT & Detroit
Turbocharger Tech Explained

BorgWarner S300 Turbocharger: Complete Application Guide for Cummins, CAT & Detroit

The BorgWarner S300 turbocharger is the workhorse of the medium and heavy-duty diesel world. If you’ve spun a wrench on an International DT466, a John Deere…

Read the guide →
Garrett GTB1752VK and GTB1752VKL Turbochargers: Chevy Colorado & GMC Canyon 2.8L Duramax Guide
Turbocharger Tech Explained

Garrett GTB1752VK and GTB1752VKL Turbochargers: Chevy Colorado & GMC Canyon 2.8L Duramax Guide

The Garrett GTB1752VK turbocharger and its close relative the GTB1752VKL are small variable geometry turbos for four-cylinder diesels. In North America the one you are most…

Read the guide →
Garrett GT3788VA Turbocharger: Duramax LML Variable Geometry Guide
Turbocharger Tech Explained

Garrett GT3788VA Turbocharger: Duramax LML Variable Geometry Guide

The Garrett GT3788VA turbocharger is the variable geometry unit bolted to every 2011–2016 6.6L Duramax LML, and if you turn wrenches on GM heavy-duty trucks you…

Read the guide →
Garrett GT3788VA Turbocharger: Duramax LBZ & LMM Application & Replacement Guide
Turbocharger Tech Explained

Garrett GT3788VA Turbocharger: Duramax LBZ & LMM Application & Replacement Guide

The Garrett GT3788VA is the variable-geometry turbocharger bolted to the back of every LBZ and LMM Duramax that rolled out of GM’s plants from 2006 through…

Read the guide →
Holset HE531VE Turbocharger: PACCAR MX-13 & Detroit Series 60 Application Guide
Turbocharger Tech Explained

Holset HE531VE Turbocharger: PACCAR MX-13 & Detroit Series 60 Application Guide

The Holset HE531VE is the variable geometry turbocharger doing the heavy lifting on two of the most common Class 8 engines on the road today: the…

Read the guide →
Holset HE400VG Turbocharger: Cummins ISX Variable Geometry Application Guide
Turbocharger Tech Explained

Holset HE400VG Turbocharger: Cummins ISX Variable Geometry Application Guide

The Holset HE400VG turbocharger is the backbone of boost management on the Cummins ISX15, and when it acts up, the whole truck feels it. Sluggish throttle…

Read the guide →
Holset HX55 Turbocharger: Cummins ISM Large Displacement Application Guide
Turbocharger Tech Explained

Holset HX55 Turbocharger: Cummins ISM Large Displacement Application Guide

The Holset HX55 turbocharger is the workhorse boost unit bolted to millions of large displacement Cummins engines, and if you turn wrenches on ISM, M11, or…

Read the guide →
Call Now Get a Quote