Correct Manifold for Comp Cars with Hi Rise Heads?

[richsd]

Originally Posted by Anthony

I believe this to be the correct carb, Holley list 3255-1 , 780 cfm, for ford 427 Hi-Riser race engine. The carb came as a vacuum secondary, although I know some were modified to be mechanical secondaries as raced by shelby. I don't know if they modified all carbs, some carbs, or only on a select few. They come up for sale on ebay every month or so.

Although many people think that the 780 cfm carb was used on comp cars this was actually not the case very ofter, 780s were used by some but more often a larger carb such as a 850 cfm was used on original comp cars.