1946-53 American Classic Car Technical Sheets
Technical Info

1946-53 American Classic Car Technical Sheets

The following American Classic Car Technical Sheets show exploded views of all major body parts and the corresponding OEM part numbers and frame dimensions. 1946-49 models also include electrical wiring diagrams. This information is invaluable [Read More…]
How to Measure Wheel Back Spacing
How To & DIY

How To Measure Wheel Back Spacing / Offset

Back Spacing is a measurement taken from within the inside of the rear side of the wheel. This measurement is important to be sure you have proper wheel clearance for your specific car before purchasing new wheels, wheel spacers and wheel adapters. [Read More…]
Determine Ride Height
How To & DIY

How To Determine Ride Height

Ride Height is the height of your car or truck when it is sitting and the suspension is at the optimum height. Setting ride height on a chassis is important. You can learn more about it here. [Read More…]
How To Determine Engine and Pinion Angle
How To & DIY

How To Determine Engine and Pinion Angle

Engine and pinion angle are relative to the ground. Most engines are set at 3 degrees, this allows the carburetor to sit level. The main purpose of having an engine angle is to allow for more room in the passenger compartment by having a smaller tunnel. [Read More…]
How To Measure Your Wheel Bolt Pattern
Technical Info

Wheel Bolt Pattern Cross Reference ~ What Wheels Fit?

Use the Wheel Bolt Pattern Cross Reference to select your wheel bolt or lug pattern: Select Number of Lugs and Stud Spread in either Inches or Millimeters. The results will display Make, Model and Year as well as the OEM Wheel Size (diameter and width) plus Stud Size, Hub Center Bore and Offset. [Read More…]
Engine Displacement Calculator
Technical Info

Engine Displacement Calculator

This calculator determines the displacement of the engine by two methods; selecting the engine to get the geometry of the configuration, or by the geometry to get the engine. You may select the engine manufacturer and designation to get the exact parameters. [Read More…]
How To Determine Proper Exhaust Tubing Size
How To & DIY

How To Determine Proper Exhaust Tubing Size

This table below was supplied by Flowmaster. It’s intended as a basic reference guide to give you an idea of the general exhaust-pipe size needed to balance the prevention of excessive back-pressure while maintaining adequate exhaust-gas velocity. [Read More…]
How To & DIY

How To Plus Size Wheels and Tires

Plus Sizing your wheel and tire combination was designed to enhance vehicle performance and appearance by allowing fitment of larger diameter rims and lower profile tires. The theory is that while making these changes, you keep the overall tire diameter within 3% of the original equipment tires. [Read More…]
How To Measure Your Wheel Bolt Pattern
How To & DIY

How To Measure Wheel Bolt Pattern

The bolt pattern, or bolt circle, is the diameter of an imaginary circle formed by the centers of the wheel lugs. Common bolt patterns have 4, 5, 6, or 8 lug holes. These diagrams show the proper measuring methods for each lug count. [Read More…]