here u go
Curb Weight:
http://www.differentracing.com/tech_articles/curbweight.html
Chassis Specs:
http://www.differentracing.com/tech_articles/chassisspec.html
Engine Specs:
http://www.differentracing.com/tech_articles/designspec.html
Compacities:
http://www.differentracing.com/tech_articles/capacities.html
Gear Ratios:
http://www.differentracing.com/tech_articles/gearratio.html