In NASCAR restrictor plate racing, these motors have the capability to run 40 HP more and upwards of 200 mph plus, but plates between the carb and intake limit HP. These plates slow down the amount of fuel and air to the motor, limiting them.
This 2 barrel to 4 barrel swap is the reverse of that, generally speaking.
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1967 Starlight black PMD Engineering 400 Auto 1968 Alpine Blue 400 4 speed 1968 Verdoro Green 400 HO 4 speed 2013 1LE 2SS/RS Inferno Orange Camaro.
