1. Engine modifications:
* Stock engine: A well-rebuilt stock 327 should work well with a stock-replacement carburetor, like a Holley 4150 or 4160.
* Performance upgrades: If you have performance upgrades like a camshaft, headers, or intake manifold, you'll need a carburetor that can handle the increased airflow.
2. Desired performance:
* Street-driven: A stock-replacement carburetor or a mild performance carburetor (Holley 3310, Edelbrock 1405) will provide good performance and drivability.
* High-performance: For serious horsepower, you'll want a larger carburetor (Holley 750 CFM or larger) with adjustable jets and metering rods to fine-tune the fuel delivery.
3. Your experience level:
* Beginner: A simple stock-replacement carburetor is easier to tune and maintain.
* Experienced: You can handle a more complex high-performance carburetor.
Here's a breakdown of some common aftermarket carburetor choices for a stock 1968 Camaro 327:
* Holley 4150/4160: The most popular choice for stock replacement or mild performance. These carburetors are reliable, easy to tune, and widely available.
* Edelbrock 1405/1406: Another good option for street-driven applications, these carburetors offer excellent performance and drivability.
* Rochester Quadrajet: The original carburetor on many 327s, the Quadrajet can be rebuilt and tuned to perform well. However, they can be more complex to work on than Holley or Edelbrock carburetors.
Before making a decision, consider these factors:
* Your budget: Carburetors range in price from a few hundred dollars to over a thousand dollars.
* Your time and skill level: Some carburetors are easier to tune and maintain than others.
* Your desired performance level: Choose a carburetor that matches your goals.
I strongly recommend consulting with a qualified mechanic or a professional at a local performance shop for a more specific recommendation based on your unique situation.
