How can i tell if i have a true ss…dont have the original engine.vin#136370k206435…car has cowl/body tag also top line: ST70 13637 KAN141295BDY 2ndline:TR 756 55 55 PNT 3rd line3: 06A 04953 L B…and found small part of build sheet says the car had L34 396 4l v8 engine