Information for Smog gear for 1967 Firebird 400.

[Frogga]

Does anyone one have pictures or know where to find information about the smog setup on 1967 Firebirds.
I havent ever seen a picture of a first gen Bird with the exhaust manifolds and tubes going into them
like the Camaros.

Did they have the usual vented chrome air cleaner?
I saw smog gear for a 67 GTO for sale and it has a snorkel style with chrome lid like a 68.

What were the exhaust manifolds like and what numbers did they have?

Even the workshop manual has very little and I'm getting all sorts of confllicting information and thought I would ask the guys who would know.
Please email me any pictures a site to I can visit.

[4SPEED]

on what motor  8 or 6 cylinder motor.