Re: Big block cowl hood air cleaner needed
Nope, 350s had different vent tube; automatics had the vacuum door in the snout and used the pre-heat tube. BB & Z/28 used the same unit but OE bases had a flat bottom and a 90º vent tube. Service bases had bead formed into the base and the vent tube was changed to 2 45º bends due to interference with double-pumper carbs. Some service units came with chrome lids; never used in production.
Not certain but I believe 71-72 Chevelle bases used an angled snout.
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08-30-2008, 05:15 AM
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