Calculators and 4-link info

http://www.thedirtforum.com/toolbox.htm

cool site, has info on;

Guage Conversions

Recommended Heat Treatments for Different Grades of Steel

AMC ENGINE and HEAD CASTING NUMBER LOCATIONS
CHEVY ENGINE and HEAD CASTING NUMBER LOCATIONS

How to Read Ford Casting Numbers

Chassis Calculators

Engine Calculators

Panhard Bar Tech

GM Transmission Ratios

Baseline Chassis Setup Sheets

links to Round and Square widths, Materials Strengths, Engine Information Concerning All makes, Degreeing a Cam and much more.

it's a circle track race forum but has a lot of useful info that can be used on you'r rat.

Later

Good site man! tons of info