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Practical information about turbocharger selection, components, manufacturing and maintenance.

24 articles

Advanced Turbocharger Upgrades for Performance

October 24, 2024

Advanced Turbocharger Upgrades for Performance

With more than 10 years' efforts putting in New Complete turbocharger manufacture and turbo remanufacturing ,GDXP has found that the OEM design is not always the best choice either in design or performance. In order to supply the better...

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Understanding Tolerance in Investment Casting

October 30, 2024

Understanding Tolerance in Investment Casting

Tolerance Casting design reference data GDX PORFERMANCE is professional stainless steel and heat-resistant steel investment casting manufacturers, any design and casting needs please Contact 1. Tolerance (mm) Casting Basic Size (mm) ≤10...

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Understanding Turbocharger Failure Symptoms

October 30, 2024

Understanding Turbocharger Failure Symptoms

Loud whining noise, Loss of power, excess smoke, high fuel consumption, overheating, high exhaust temperatures and oil leakages from the turbocharger are all symptoms that could indicate turbocharger malfunction. However, these faults ar...

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Understanding Turbocharger Trim Explained

October 30, 2024

Understanding Turbocharger Trim Explained

Trim is a common term used when talking about or describing turbochargers. For example, you may hear someone say "I have a GT2871R ' 56 Trim ' turbocharger. What is 'Trim ?' Trim is a term to express the relationship between the inducer*...

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Understanding A/R in Turbo Performance

October 30, 2024

Understanding A/R in Turbo Performance

A/ R ( Area/ Radius) describes a geometric characteristic of all compressor and turbine housings. Technically, it is defined as: the inlet (or, for compressor housings, the discharge) cross-sectional area divided by the radi us from the...

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Understanding Engine Knock and Compression Ratio

October 30, 2024

Understanding Engine Knock and Compression Ratio

Compression ratio wi th boost Before discussing compression ratio and boost , it is important to understand engine knock, also known as detonation. Knock is a dangerous condition caused by uncontrolled combustion of the air/ fuel mixture...

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About Holset Turbo Naming

October 30, 2024

About Holset Turbo Naming

VG Variable geometry (all actuation types) WG Wastegate CW Command valve wastegate FG Fixed geometry PT Power turbine What will a HX60 now become? To HE600FG

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GDX Turbo Model HX60 for Cummins and Scania

November 6, 2024

GDX Turbo Model HX60 for Cummins and Scania

TURBO MODEL OEM & PART NUMBERS APPLICATION APPLICATION APPLICATION REMARK HX60-1 W HX60W 4955216,4047148,3594488,3598762,4038498,4041154,4024937,4089298,4089970,4955216,4955813,4955813NX,3594490, 3594491, 3594492, 4038500, 3598763, 35987...

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November 7, 2024

Ball Bearing Turbo

G25-550 ball bearing G25-660 ball bearing GTX5533R ball bearing G57-2000 ball bearing G57-3000 ball bearing Gtb2260vk ball bearing HE221w ball bearing TD04 ball bearing Contact

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November 9, 2024

High Quality Bearing Housing Catalog

OE Number OE Number OE Number OE Number 707240 53039880268 17201-11070 49135-07310 708639 53039700346 17201-11080 49373-02003 700447 53049880001 17201-27030 49173-06500 703245 53039880205 17201-30030 454135 704361 53039700133 17201-30080...

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AN Oil Fitting Guide

August 10, 2025

AN Oil Fitting Guide

AN (Army-Navy) fittings for oil lines use a straight thread with a 37-degree flare for a leak-tight seal. The size of the fitting is indicated by an "AN" number, which corresponds to a specific tube outside diameter and thread size. For...

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