![th400 serial number decoding th400 serial number decoding](http://www.camaros.org/images/pages/decoding/trans_TH400_69X493_tag.jpg)
The VIN on 1972-1974 model year cars also depicts the Stage1 engine option. This includes Window Stickers, Build Sheets, Protect-O-Plates,īody Order - Production Final sheets, import sheets (cars sent to Canada) and IBM punch cards 'Official' Buick Documentation (paperwork) is the most definitive way to determine if a specific GS came from theįactory with the Stage1 option. That degree of documentation - Thank You!
![th400 serial number decoding th400 serial number decoding](http://chevellestuff.net/qd/images/1967_400_tag.jpg)
Anyone doing research should try to contact 'those in the know' for help with In addition to the information listed here, there are additional ways to determine authenticity (ie - matching #s) People have been known to fake Stage 1's by restamping/manipulating drivetrain components. This webpage will be updated with any additional information or corrections as needed. Hopefully the information contained on this webpage will help you document So we can all be more educated about these cars. If someone has a question, update, or correction to any information contained on this webpage, pleaseĮ-Mail Me: webpage is a community effort, a 'knowledge dump', from many people who were willing to share their time and knowledge So much information has come to light about these cars in recent years and the information contained in this page is believed This page starts with one thought: never say never when it comes to these cars. Factory Stage1 Identification Factory Stage1 Identification