Some mid 80's GM cars,,, and some 90's I believe,,, came with electric vacuum pumps to help brake vacuum... I lost my list but they were on everything from Skylarks to Caprices... _______________________________________________ Diy_efi mailing list Diy_efi at diy-efi.org http://www.diy-efi.org/mailman/listinfo/diy_efi