A Guide to GM Body Codes

Automobile engineers love the alphabet. It’s the only explanation we can come up with for why GM and Mopar use letter designations for their many body styles. It’s not a bad […]

I need to know how to identify if I have the right a Getrag F23 (M86) tranny for my Sunfire. I had a Isuzu MU3 (MK7)

B-O-P 10-bolt rear axles: A guide to GM's other muscle-era differential

1988-98 Chevy and GMC C/K 1500/2500/3500 Pickup Trucks, Blazer, Tahoe, Suburban, and Yukon On-Board Diagnostic System and Trouble Codes - Haynes Manuals

How to Read a Car's VIN Code

GM Body Style Codes - Technical - Antique Automobile Club of America - Discussion Forums

How to Decode General Motors RPO Codes

What Info Can I Get From My G-Body VIN?

GM OBD2 Code List (PDF)

Your definitive 1968–72 Chevelle SS buyer's guide - Hagerty Media