800cfm on mild 360 ?

Kern Dog said

I thought the 850 was for 400 and 440 engine while the 800 TQ was for the 318 and 360.

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ir3333 said

QUOTE: I think every one forgets that the smallest 4 barrel carb that the factory put on the 360 was an 850 cfm Thermo Quad
I think the earliest 340's used a 535 or 585 cfm.
600 - 650 perform nice on the street with great throttle response, clean idle and excellent mileage..if it matters.

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340’s early on used the small primary TQ. Maybe I he first year or two 360, maybe. I’d have to revisit some last homework I did.

All big blocks got the large primary TQ’s.

The earliest 330’s used a commonly rated 600 carb. I called the old Federal Mogul tech line in which they told me the small AVS around on 330’s and 383’s are a 630 cfm carb.