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My 425 2bbl Air Cleaner housing is red. Car was purchased new by my Dad. Don't think the Black Air Cleaner housing is correct. The 4door does look like a decent car though. Joe
A red air cleaner on a '67 425 indicates the high-compression version. A black air cleaner on a '67 425 is correct if it is a low-compression version. Here's a clip from the '67 Olds Brochure. Note the engine on the right.