I am looking at a 69 FJ40. Owner claims it is all original with the exception of the wheels, front bumper and steering column (Chevy). He is asking $20k and I am wondering if this engine is from a 69. Can anyone tell just by looking at it? If not, what info do I need to verify? Is it common to swap with Chevy columns? How easy is it to swap it back? Cost? Any help is greatly appreciated.