inn offenhauser s guide to proper carburetion engine c.i.d nverted tcs volume]1 as base 1figures t t is cemplicated cornputer f o rmula wa s deengi ne capacity and c arburetor flow co1 s igned t o aid ~n the proper offenhauser manil old and carburetor selectio n refe!r also to the offer ihauser intake manif old alan+i r -i .3 a we i s hart on page 4 additional carburetion enf~rma m cm ,n.g for engirles capable of dual quad manifolds double 1 above carbureti on guide is based 1on single quad mari ifold apl he t he cfm listed for v our applilcation tising 4 ha 1o find the correct size ...