The Cobra and F4B variants were not produced for torque, they were made to drag increased RPM, and even with in those there are actually much better manifolds now for that function - They're just outdated technological innovation, We've figured out so a great deal more due to the fact https://felixsqdwd.dailyhitblog.com/42918983/new-step-by-step-map-for-blue-copyright-for-sale