I believe the truck carb was designed for off-camber stuff like rock crawling and that type of thing. I would guess and say it would work okay but but as you pointed out it's pretty big for a small block like yours.

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'65 Falcon Futura (weekend cruiser) Built 289, C4, TCI Street Master 3000 stall narrowed 9-inch and 4 wheel disc brakes. It's not a race car but its raced (a little) and its not a show car but we show it.