Articles

Engine/Drivetrain

Air Duct Collapse Prevention
DIY information on preventing Air Duct collapse.

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Information on resolving backfire problems.

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How to tackle a broken bolt or nut.

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Removal and re-installation of the C-beam.

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Information on the chain tensioner rattles heard with the LT5.

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How to change the clutch master cylinder.

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Information regarding backwards installation of clutch actuator piston seal.

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Procedure: The following procedure may help to solve a "notchie" gear issue. As long as you haven't heard any gear clash (grinding) when ...

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Clutch Master Cylinder Installation
How to install a new clutch master cylinder.

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How to install the clutch slave cylinder on a 1990.

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Information on replacing the clutch/flywheel.

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How to defeat the 1-4 skip shift (CAGS)

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How to remove the LT5 engine.

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Information on the cause of Engine stumbles.

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Information regarding concerns with the stock flywheel.

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How to remove and replace the fuel pumps.

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Information on issues with the GM Clutch Hydraulic System Actuator.

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How to time the LT5 camshafts.

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How to remove the LT5 cylinder heads.

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LT5 Plenum Removal
How to remove the LT5 plenum.

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The most common form of preventive maintenance is the routine oil change. If you drive your car in hot weather, or under severe track conditions (high...

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Master Cylinder and Actuator Cylinder  Quality Issue
Symptoms: We have had a terrible time during the last few years dealing with the C4 MN6 CHS Master Cylinders (P/N 19158668) and Slave Cyl...

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Information on resolving "No Start" issues when the engine cranks.

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Information on resolving the "No Start"  issue when the engine won't crank.

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How to remove and install replacement oil cooler lines.

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Information on the various potential sources of oil leaks.

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Describes functioning of the oil pressure gauge and possible issues with low oil pressure.

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Oil Pressure Sender Reconditioning
Reconditioning the oil pressure sender

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Replacing the LT5 Oil Pump (1990-1992)

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How to remove the LT5 Plenum.

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Possible cause of rapid fuel pressure decay and long cranking.

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RF Injector information and part numbers.

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Thanks to Erle, Hib, Ed, James, and even Bruce, I've figured out how to read Diagnostic Trouble Codes on the 1994-95 MY ZR-1.   The 1994 servi...

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Reinforcing the Air Duct (Bellows)
How to make a reinforcement for the air duct (bellows).

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How to remove the primary injectors.

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How to repair (replace) the ZR-1 dual fuel pumps.

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Replacing the Throttle Body
How to remove and replace the throttle body.

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How to reset the engine oil life monitor

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LT5 Secondary Port Operation & Vacuum Diagnosis Before getting into diagnosing the LT5 engine's secondary port vacuum system, I thought it woul...

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How to install the serpentine belt.

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Describes the meaning of the Service Engine Soon (SES) light.

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How to test bad injectors.

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One of my members starting testing every thermostat that he removed during the course of servicing by testing the used one against a new thermostat in...

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How to replace the thermostat.

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Information on engine upgrades made between different years.

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Diagnosis and cure of vacuum leaks under the plenum.

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How to use the Vetronix/Mastertech scanners on 94/95 vehicles.

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Causes and possible cures for the "No Start" issue.

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