The size would be right for your application.I would stay away from a vacuum secondary carb though since you have a four speed. A 650 DP can be had for $50 bucks on ebay and have one of the holley specialty shops go through it. You could rebuild it yourself, it would be a good learning experience for you. Holleys are good carbs that are easy to learn, especially if you have some friends that can help you along the way.
