i have a 1984 chevy scottsdale 3/4 ton and it has an edelbrock hi rise intake wwith a 4 barrel and im getting about 9 miles to the gallon. would going back to the stock manifold and carb improve my gas mileage?

Would a differen intake manifold improve gas mileage

84chevy February 9, 2010, 6:45pm 8

302 is a great motor. Timing is advancing right just did the rings and the tranny is brand new it is an 84 and cats were an option, my truck never had them