Approximate Total Airflow at 20.4 inches Assuming Secondary Flow of 600 cfm
  7028263 7044262 7041270 7044270 17057262
Total airflow 776 cfm 782 cfm 828 cfm 812 cfm 810 cfm
HPP Pocket Carb Chart
Number Year Application Type Approx Flow
7026260 '66 A, OHC 6-cyl, auto trans 4M 750 cfm
7026261 '66 A, OHC 6-cyl, manual trans 4M 750 cfm
7027260 '67 A, F, OHC 6-cyl, auto trans, w/o AIR (early) 4M 750 cfm
7027261 '67 A, F, OHC 6-cyl, manual trans, w/o AIR (early) 4M 750 cfm
7027262 '67 400/428 auto w/o AIR 4M 750 cfm
7027263 '67 400/428 manual w/o AIR 4M 750 cfm
7027268 '67 A, F, OHC 6-cyl, auto trans, w/o AIR (late) 4M 750 cfm
7027269 '67 A, F, OHC 6-cyl manual w/o AIR (late) 4M 750 cfm
7027272 '67 Firebird 400 auto w/o AIR 4M 750 cfm
7027273 '67 Firebird 400 manual w/o AIR 4M 750 cfm
7037260 '67 A, F, OHC 6-cyl, auto trans, w/AIR (early) 4M 750 cfm
7037261 '67 A, F, OHC 6-cyl, manual trans, w/AIR (early) 4M 750 cfm
7037262 '67 400/428 auto w/AIR 4M 750 cfm
7037263 '67 400/428 manual w/AIR 4M 750 cfm
7037268 '67 A, F, OHC 6-cyl auto w/AIR (late) 4M 750 cfm
7037269 '67 A, F, OHC 6-cyl manual w/AIR (late) 4M 750 cfm
7037271 '67 GTO w/Ram Air 4M 750 cfm
7037272 '67 Firebird 400 auto w/AIR 4M 750 cfm
7037273 '67 Firebird 400 manual w/AIR 4M 750 cfm
7037276 '67 Firebird w/Ram Air 4M 750 cfm
7028260 '68 A, F, OHC 6-cyl, auto trans 4M 750 cfm
7028261 '68 A, F, OHC 6-cyl, manual trans 4M 750 cfm
7028262 '68 400 auto trans 4M 750 cfm
7028263 '68 400 manual trans 4M 750 cfm
7028264 '68 Firebird 400, auto trans 4M 750 cfm
7028265 '68 Firebird 400, manual trans 4M 750 cfm
7028266 '68 A, F 350 H.O., auto trans 4M 750 cfm
7028267 '68 High-performance 400, manual trans 4M 750 cfm
7028268 '68 High-performance 400, auto trans 4M 750 cfm
7028269 '68 A, F 350 H.O., manual trans 4M 750 cfm
7028270 '68 A, F, 400 auto w/Ram Air 4M 750 cfm
7028271 '68 High-performance Firebird 400, manual trans 4M 750 cfm
7028273 '68 A, F, 400 manual w/Ram Air 4M 750 cfm
7028274 '68 A-body 400, auto trans, w/Ram Air 4M 750 cfm
7028275 '68 A-body 400, manual trans, w/Ram Air 4M 750 cfm
7028276 '68 Firebird 400, auto trans, w/Ram Air 4M 750 cfm
7028277 '68 Firebird 400, manual trans, w/Ram Air 4M 750 cfm
7029260 '69 A, F, OHC 6-cyl auto 4M 750 cfm
7029261 '69 A, F, OHC 6-cyl manual trans 4M 750 cfm
7029262 '69 Bonneville 428 auto trans 4M 750 cfm
7029263 '69 350/400/428 manual trans 4M 750 cfm
7029268 '69 350/400/428 auto trans 4M 750 cfm
7029270 '69 A, F, 400 auto w/Ram Air 4M 750 cfm
7029273 '69 A, F, 400 manual w/Ram Air 4M 750 cfm
7040262 '70 B, 400/455 auto trans 4M 750 cfm
7040263 '70 A, F, G, 400 manual trans 4M 750 cfm
7040264 '70 A, F, G, 400 auto trans 4M 750 cfm
7040267 '70 A, G, 455 manual trans 4M 750 cfm
7040268 '70 A, G, 455 auto trans 4M 750 cfm
7040270 '70 A, F 400 auto trans w/Ram Air 4M 750 cfm
7040273 '70 A, F 400 manual trans w/Ram Air 4M 750 cfm
7040562 '70 B, 400/455 auto trans, Calif 4M 750 cfm
7040563 '70 A, F, G, 400 manual trans, Calif 4M 750 cfm
7040564 '70 A, F, G, 400 auto trans, Calif 4M 750 cfm
7040567 '70 A, G, 455 manual trans, Calif 4M 750 cfm
7040568 '70 A, G, 455 auto trans, Calif 4M 750 cfm
7040570 '70 A, F 400 auto trans w/Ram Air, Calif 4M 750 cfm
7040573 '70 A, F 400 manual trans w/Ram Air, Calif 4M 750 cfm
7041262 '71 A, F, G, 455 auto trans 4M 750 cfm
7041263 '71 A, F, G, 400/455 manual trans (high flow) 4M 828 cfm
7041264 '71 A, F, G, 400 auto trans 4M 750 cfm
7041267 '71 A, F, 455 H.O. manual trans w/o Ram Air (high flow) 4M 828 cfm
7041268 '71 A, F, 455 H.O. auto trans w/o Ram Air (high flow) 4M 828 cfm