1970 carb vacuum fitting

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Oct 16, 2020 | 01:35 AM

shiftbyear

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Joined: Nov 2015

Posts: 685

From: So. Ca.

1970 carb vacuum fitting

Was this vacuum fitting specific only to certain 1970 Quadrajets?

Oct 16, 2020 | 05:53 AM

joe_padavano

Old(s) Fart

Joined: Mar 2007

Posts: 50,803

From: Northern VA

Yes. The 1971-up carbs used two separate tubes pushed into the rear of the air horn. This was a last-minute addition for the TCS vent line in 1970, thus the kludged tee fitting.

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