Cylinder Head Flow Data At 28" H2O

Part Number .100" Intake/
Exhaust
.200" Intake/
Exhaust
.300" Intake/
Exhaust
.400" Intake/
Exhaust
.500" Intake/
Exhaust
.600" Intake/
Exhaust
.700" Intake/
Exhaust
#60409, #60419 86/64 163/121 244/169 296/206 323/236 332/258 341/276
#60429, #60439 86/64 160/121 236/169 285/206 307/236 312/258 315/276
#60459, #60479, #61459 74-73/71 143-143/128 207-208/153 250-251/178 284-284/200 309-299/218
#60499 74-73/71 143-143/128 207-208/153 250-251/178 284-284/200 309-299/218
#60559, #61559 76-76/70 146-146/132 210-212/156 255-255/181 294-284/207 314-297/228
#60719, #60739 72/61 134/105 188/140 224/160 233/172 233/179
#60859, #60879 64/54 122/96 177/124 217/147 229/166 232/175
#60899, #60909, #60999 67/58 130/108 183/144 226/169 229/175 232/182
#60979 64/54 130/104 186/140 220/169 232/183 238/190
#60989 67/57 122/110 175/153 223/182 252/196 259/204 265/207
#61049 71/54 159/108 224/182 273/222 305/238 314/250 323/260
#61069 72/54 161/108 232/182 286/222 321/238 342/250 345/260
#61089 72/54 161/108 233/182 286/222 321/238 344/250 348/260
#61109 71/54 159/108 224/182 273/222 305/238 314/250 323/260
#61129 72/54 161/108 232/182 286/222 321/238 342/250 345/260
#61149 72/54 161/108 233/182 286/222 321/238 344/250 348/260
#61159 72/54 161/108 232/182 286/222 321/238 340/250 342/260
#61169 71/54 151/108 226/182 271/222 323/238 350/250 355/260
#61179 71/51 151/114 226/180 271/213 323/240 350/248 355/255
#61189 72/54 161/108 232/182 286/222 321/238 340/250 342/260
#61199 71/54 151/108 226/182 271/222 323/238 350/250 355/260
#61209 70/54 148/106 223/181 270/212 299/228 309/235 314/240
#61229 67/54 147/106 221/181 269/212 299/228 310/235 315/240
#61249 71/54 146/106 222/181 268/212 299/228 314/235 321/240
#77569, #77579, #77589, #77599 67/64 119/112 177/153 226/188 265/207 281/217 285/220
#77619, #77629, #77639, #77649 67/64 119/112 177/153 226/188 265/207 281/217 285/220
#77659 85/62 156/135 229/198 287/242 328/278 362/300 380/312
Chrysler
#60179, #60779 69/64 129/108 188/142 232/171 249/183 251/190
#60919 79/70 145/126 209/160 254/188 278/206 290/217 292/223
Ford
#60229, #60329 72/57 132/104 183/142 214/163 225/170 224/174
#60259, #60359 70/57 128/104 183/142 219/163 229/172 226/174
#60289, #60379 72/57 131/105 185/131 214/156 223/168 226/175
#60299, #60399 70/57 130/104 185/142 219/163 229/172 226/175
#60069 88/64 153/113 195/148 233/171 265/183 270/200
#60079 88/64 153/113 195/148 233/171 265/183 270/200
#60669, #60679 76/67 140/118 207/153 260/180 300/200 319/207 326/207
#61099 78/55 152/110 230/182 275/216 330/230 355/238 365/242
#61269 67/51 141/110 209/174 254/207 287/218 309/221 321/224
#61279 67/52 141/110 209/173 254/210 287/221 309/224 321/227
#61299 70/53 141/105 212/166 273/204 315/227 343/237 355/242
#61649, #61659, #61669 76/67 140/118 207/153 260/180 300/200 319/207 326/207
#77169, #77179, #77189, #77199 64/54 127/108 186/140 234/167 268/189 291/195 285/199
#77289, #77299 68/54 145/112 215/167 266/198 303/206 323/207 327/209
#77389 64/54 127/108 186/140 234/167 268/189 291/195 285/199
Pontiac
#60579 72/56 138/106 198/141 239/163 264/175 275/185
#60599 71/69 143/120 208/151 253/173 272/191 286/199
Oldsmobile
#60519 67-67/54 131-131/102 195-195/137 245-247/163 278-256/179 268-259/188

Note: All flow numbers are in cfm. Intake flow numbers are long and short ports for big-block Chevys with right and left ports for Oldsmobile.

See Cylinder Head Specs