Upgrading the engine in your classic car from 2 barrel to a 4 barrel carburetion is a very common way of significantly increasing the engines’ power. However, it is imperative to buy and use components that have been demonstrated to work well together. An exhaust system that is too large can actually result in a decrease in power in the lower RPM ranges that we use on the street. An aggressive performance camshaft can reduce engine vacuum to the point that your power brakes will no longer work. An oversize carburetor will pour so much gas into the intake manifold that performance and engine life will be reduced.
Visit the websites of manufacturers like Edelbrock, Holley and Crane, and check with your local speed shop for recommendations.
Visit the websites of manufacturers like Edelbrock, Holley and Crane, and check with your local speed shop for recommendations.
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