Anyone know of a way to find the history of a 70?

[Supspt454]

Hi, I am trying to identify my 70 Chevelle. I am 99% positive its a SS car, but I do not have the build sheet. I do know that it was Green Metalic with White strips, and dark green interior. It had the factory back seat, and door pannels with the SS emblems. It was mostly stripped down. It does have the switch on the gas pedal for a cowl hood. The front clip was also missing. I know it was a factory 4 speed car and did not have A/C. Also, the title reads "CPE" and "SUPSPT". I was told that GM no longer carries copies of the build sheets after '69. I really do not plan to resore this car, but it would be nice to know exactly what I have. Is ther any way??? Thanks

Shawn