please help me id this

my brother has had this for 30 yrs. he knows its GM but what year and what its for is unknown. i know this is a mopar forum, but there is a lot of knowledgable people out there. thanks

Thats a single 4 bbl MOPAR Air Grabber base

^ This
Was my initial thought as well...
You sure its GM? There should be some stampings on it somewhere-probably a penstar....

I recall some years ago seeing a similar base on a Poncho,
but can't recall the model/motor now....

The GM fresh air systems were pretty similar to each other;
Chevy usually used a rubber ring and snorkel or 2 (or none with a trapdoor).
Olds and Buick were similar to the Chevy but foam rings and a snorkel or two, or none with trapdoor. Some had snorkels facing up to the hood scoops. (There's a few exceptions like the 69 442 that had scoops under the front bumper, etc.)

Pontiacs are the only other ones (GM) that I recall off-hand that used a similar "shaker" type set-up (but different).

But that still looks like a mopar grabber base...(looking at it in a pic)

it's a MOPAR b-body '70-72 fresh-air air cleaner base 340-440 or 383-400

Nick's MOPAR air cleaner ID

Quote:

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it's a MOPAR b-body '70-72 fresh-air air cleaner base 340-440 or 383-400

Nick's MOPAR air cleaner ID

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holy crap you guys are right. i didn't pay much attention because he was positive it was GM thanks