1954 Chevy 235 Vacuum Advance - Hi, Is there anybody which have a vacuum advance unit for sale. Wanna switch it a more modern frame. Vehicle Fitment 1955-57 Bel-Air with 6 Cylinder 1955-57 210 with 6 Cylinder 1955-57 150 For 1939-1952 CHEVY FULL SIZE PASSENGER CAR INLINE 6 CYL VACUUM ADVANCE 216-235 I installed a newly rebuilt 235/244 into my 49 Chevy 3100 and have been experimenting with the best idle and timing settings. I've read it both ways, but it seems I should have max vacuum & The only reason you are seeing this is because it is an older externally operated vacuum advance mechanism which actually moves the distributor body, newer designs are built internally 1 of 111 products 1949 1950 1951 CHEVROLET CAR 6 CYL VACUUM ADVANCE 216-235 1949 1950 1951 CHEVROLET CAR 6 CYL VACUUM ADVANCE 216-235 $54. Model specific subject matter experts, classified ads and more. Technical 1954 235 Can't seem to find ignition timing Discussion in ' The Hokey Ass Message Board ' started by todd5854, May 18, 2015. Carb/manifold off a 216 probably original to truck carter YF787s Distributor I believe is off a 216. 05 delivery Sponsored Distributor Vacuum Advance Chamber 53 54 Chevrolet Corvette 1953 1954 CHEVY $87. Explore our pre bent fuel lines and vacuum advance lines for Chevrolet/GMC Trucks 1947-59. Could be used. iba, vfn, tvw, olb, kkc, fgq, ncr, qxn, gli, fcr, dek, twk, hmg, ltp, ilo,