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JohnZ's Technical Articles

The following are technical articles written by CRG member John Hinckley (aka JohnZ) for Corvette Enthusiast Magazine over the past several years. There are also several relevant Tech Columns from the Corvette Enthusiast Magazine that respond to a reader's question about a technical problem. We are pleased to be able to publish these articles on the CRG site. They provide a wealth of practical information on relevant topics.
Also included are links to his CRG Research Reports, including the comprehensive Assembly Process report.

The articles are in pdf format and Adobe Reader is required to view them. It is free to download at Adobe. Some of the files are large (up to 5 MB).

John's articles and columns are the copyright property of the Camaro Research Group, and are subject to the same restrictions as any other data on our web site.

CRG Research Reports, by John Hinckley

Technical Articles, by John Hinckley

Flint V-8 Plant Engine Manufacturing
Complete engine assembly process used by the Flint V-8 Engine Plant.
St. Louis Engine Dress Line
Step-by-step process for assembly plant engine dress, from the shipping rack to the fully-dressed engine, ready for installation in the chassis.
Castings - numbers and codes
Discusses casting process and the how and why of the various numbers and codes used in the casting process.
Corvette Cooling Basics
Comprehensive article on understanding and optimizing stock cooling systems.
Ignition Basics
Explains in detail how the ignition system works and how spark is produced and distributed.
Ignition Timing & Vacuum Advance 101
Covers theory and operation of initial, centrifugal, and vacuum advance; why and how.
Mapping Your Advance Curve
The followup to the Timing 101 article. How to "map" your existing ignition advance curve and how to optimize it.
Eaton Spring Process
Comprehensive review of the processes used at Eaton-Detroit Spring to both manufacture and re-arch rear leaf springs.
Intake Manifold Swap
Step-by-step process for removal and replacement of an intake manifold, with tips and hints to make the job easier.
Engine Rebuild Process
Follows the process Motor City Muscle (Div. of D&S Engine Specialists) uses to rebuild vintage engines.
Master Cylinder Rebuild
Step-by-step instructions on removing the master cylinder and having it rebuilt.

Tech Bench Columns, by John Hinckley

Each of these responds to a reader's question about a technical problem and offers recommendations and solutions.

Fast Idle Tech - Explains how to adjust choke/fast idle on Holley carburetors with manifold-mounted remote choke thermostats.
Lifters Tech - Explains the differences between solid and hydraulic lifters.
Oil Prime Tool Tech - Explains how oil pump prime tools work and how to use them.
M22 Tech - Explains the differences between M22 and M20/21 transmissions.
Radiator Cap Tech - Explains how the vacuum/pressure radiator cap works.
Timing Set Tech - Explains the relationship between the "dots" on the crank and cam sprockets and distributor firing positions.
Wheel Paint Tech - Explains how wheels were painted at the factory.
Battery Disconnect Tech - Explains the two different types of battery disconnect switches and how to install them.
1917 V8 Tech - Discusses the 1917-1918 Chevrolet overhead-valve V8 engine and its contribution to current V-8 engine design.

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