
Duramax LMM Turbocharger Guide: Variable Geometry Failure & Replacement
If you run an ‘07.5 to ’10 GMC or Chevy with the 6.6L LMM Duramax, the variable geometry actuator on your Garrett GT3788VA turbocharger is the…
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Duramax LBZ Turbocharger Guide: GT3788VA Problems & Replacement (2006-2007)
If you’re running a 2006-2007 Chevy Silverado or GMC Sierra 2500/3500 with the 6.6L LBZ Duramax, the Garrett GT3788VA variable-geometry turbocharger is the beating heart of…
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Duramax LLY Turbocharger: Symptoms, Garrett GT3788VA Replacement & Cost (2004-2005)
If you run a 2004.5-2005 GMC Sierra or Chevy Silverado with the LLY Duramax, you already know the Duramax LLY turbocharger is the engine’s most temperamental…
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Turbocharger Oil Lines Explained: Feed Line, Return Line, and Why They Fail
The turbocharger oil feed and return lines are the most overlooked part of a turbo system. A blocked or restricted oil line causes more repeat failures…
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Cummins QSB Turbocharger Guide: Marine, Industrial & Construction Applications
The Cummins QSB is one of the most versatile diesel platforms ever built, and the turbocharger bolted to it is doing serious work whether that block…
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Cummins ISX Turbocharger Guide: HE400VG, HE451VE & HE561VE Differences Explained
A Cummins ISX turbocharger is a Holset in every generation, but which Holset depends on when the engine was built. The HE400VG, HE451VE and HE561VE are…
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Cummins ISM Turbocharger Guide: HX55 & HE531V for On-Highway Trucks
If you run a Cummins ISM, you already know the turbo is the heart of how this 10.8L workhorse makes power. The ISM has powered everything…
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Cummins ISL Turbocharger Guide: HX40W, HE431V & HE400VG by Engine Version
This Cummins ISL turbocharger guide answers the first question on any ISL turbo job: which Holset is on this engine? The 8.9-liter ISL has been built…
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Cummins ISC Turbocharger Guide: HX40 & Replacement Options for Medium Duty Trucks
If you run a medium duty Cummins ISC, the turbocharger bolted to that 8.3L block is most often a Holset HX40. It is one of the…
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Cummins ISB 5.9L Turbocharger Guide: HX35 vs HE351CW for Dodge Ram Applications
If you’re running a 12-valve 6BT or 24-valve ISB 5.9L Cummins under the hood of a Dodge Ram, the turbocharger bolted to that exhaust manifold is…
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Cummins ISB 6.7L Turbocharger Guide: Variable Geometry Operation & Common Failures
If you run a Cummins ISB 6.7L, sooner or later the Holset variable geometry turbocharger is going to demand your attention. The VGT (variable geometry turbocharger)…
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HE351VE vs HE300VG: Complete Comparison for Ram 2500 & 3500 Cummins Owners
If you’ve turned a wrench on a 6.7L Cummins, you already know the HE351VE vs HE300VG debate isn’t academic. These two Holset variable geometry turbos define…
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