JW - a Pontiac 350 engine is actually 354 CID. I have one in my GTO. A lot of American engines are listed as a number close, but not exact (or rounded) to their actual displacement.
Jon.
Good carburetion is fuelish hot air The most expensive carburetor is the wrong one you attempt to modify. If you truly believe "one size fits all," try walking a mile in your spouse's shoes! The Carburetor Shop