Consequently , its altitude performance was much inferior to other naval fighters of the period , such as the Grumman F4F Wildcat .
In addition , the Allison engine had only a single - speed supercharger .
Engine 's altitude performance was much inferior to other naval fighters of the period , such as the Grumman F4F Wildcat .
In addition , the Allison engine had only a single - speed supercharger .