LIST-9051 Jan 22, 2019 21:33:54 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Admin on Jan 22, 2019 21:33:54 GMT -5 Originally a Ford carburetor, a LIST-9051, D8PE-BLA, modified and converted to a "universal" 600cfm vacuum secondary calibration...Modified accelerator pump transfer tube design to conventional that simply seals with the metering block to body gasket...Blocked original "reverse idle" passages into bores with brass socket set screws...Added all adjustable air bleeds with sized brass socket set screws...Added adjustable primary IFRs (idle feed restrictions) and PVCRs (power valve channel restrictions) with sized brass socket set screws...