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Flow Numbers



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Cylinder Head Flow Data At 28" H2O

Ford small block
Manufacturer/Part Number Port/Vol
Intake / Exhaust
Combust. Chamber Volume .100"
Intake / Exhaust
.200"
Intake / Exhaust
.300"
Intake / Exhaust
.400"
Intake / Exhaust
.500"
Intake / Exhaust
.600"
Intake / Exhaust
.700"
Intake / Exhaust
.800"
Intake / Exhaust
Valve size
Intake / Exhaust

2.3L Turbo

N/A N/A 65/60 98/87 131/109 157/127 173/140 - - - 1.74/1.50
Ford 289 N/A 54.5 50/37 97/71 127/93 156/104 165/107 - - - 1.78/1.46
Ford 289 HiPo N/A 54.5 - - - - 170/121 - - - 1.78/1.46
Ford 302 E7TE 124/45 58-60 59/39 109/73 142/100 148/110 150/113 - - - 1.78/1.46
Ford 302 E7TE Ported N/A 58-60 60/59 115/103 164/142 191/159 203/164 - - - 1.94/1.60
Ford GT-40 Cobra 145/- 65.5 54/47 107/94 157/119 183/128 192/128 - - - 1.84/1.54
Ford GT40P 97.5 and up Explorer 145/- 59 61/52 128/90 169/123 195/135 196/139 -    1.84/1.46
Boss 302 C9ZE-A 242/ 62           274/176    2.23/1.71
Ford 351W 4V 1969 N/A 60.4 52/48 103/77 149/100 174/113 183/118 - - - 1.84/1.54
351C 2V N/A N/A 68/57 142/89 189/120 199/144 196/160 198/162 - - 2.03/1.67
351C 4V 262?/ 62 64/67 116/104 163/134 210/154 246169 274/178 - - 2.19/1.71
Ford GT40 (Y303) N/A N/A 64/52 114/98 167/128 199/137 213/134      
Ford GT40 (X303) N/A N/A 53/50 114/106 170/139 207/153 226/161      
AFR 165 165/69 58 or 61 58.52 123/118 186/153 225/178 250/185 250/191 - - 1.90/1.60
AFR 185 185/69 58 or 61 - 129/118 189/153 234/178 267/185 282/191 - - 2.02/1.60
AFR 205 205/70 58 - 141/125 201/180 251/211 291/225 308/231 314/236 - 2.08/1.60
AFR 225 225/80 58 - 149/130 216/187 264/230 295/242 315/250 325/255 - 2.08/1.60
Brodix Track 1 STD 195/- 68 - 124/100 172/129 212/153 241/166 255/176 261/180 - 2.08/1.60
Brodix Track 1 STD X 195/- 68 - 124/100 172/134 212/163 241/184 255/195 261/203 - 2.08/1.60
Brodix Track 1 211 CNC 211/- 68 - 150/124 216/164 263/196 300/211 316/217 317/224 - 2.08/1.60
Brodix Track 1 214 CNC 214/- 68 - 141/119 211/161 265/190 298/203 320/213 326/221 - 2.08/1.60
Brodix Track 1 225 CNC 225/- 68 - 147/119 215/161 262/190 3031/203 324/213 334/221 - 2.10/1.60
Canfield 20475 192/- 54 or 58 or 65 70/54 150/102 203/132 242/171 261/190 272/201 274/207   2.02/1.60
Blue Thunder SB Ford N/A N/A 84/71 161/131 236/168 293/193 332/214 361/224 - - 2.15/1.625
                     
Edelbrock #60229 (W) RPM 170/60 60 72/57 132/104 183/142 214/163 225/170 224/174 - - 1.90/1.60
Edelbrock #60259 (W) RPM 170/60 60 70/57 128/104 183/142 219/163 229/172 226/174 - - 2.02/1.60
Edelbrock #60289 (W) Performer 170/60 60 72/57 131/105 185/131 214/156 223/168 226/175 - - 1.90/1.60
Edelbrock #60299 (W) Performer 170/60 60 70/57 130/104 185/142 219/163 229/172 226/175 - - 2.02/1.60
Edelbrock #61099 (W) Glidden 280/- 61 78/55 152/110 230/182 275/216 330/230 355/238 365/242 - 2.15/1.56
Edelbrock #77199 (W) Victor Jr 210/75 60 64/54 127/108 186/140 234/167 268/189 291/195 285/199 - 2.05/1.60
Edelbrock #77219 (W) Victor 240/80 47 76/67 141/110 203/152 256/187 298/210 323/215 339/220 - 2.125/1.625
Edelbrock #7728 (W) 240/90 50 68/54 145/112 215/167 266/198 303/206 323/207 327/209 -  
Holley 5.0 Systemax 175.5/71 61 63/56 124/100 174/130 206/155 221/167 233/176 - -  
TFS Street Heat 192/- 64 - - - - - 255/190 - -  
Trick Flow 52400010 Track Heat 170/66 61 63/53 141/107 205/144 233/171 251/187 251/193 - - 2.02/1.60
Trick Flow 51400002 TW 170/66 61 63/53 141/107 205/144 233/171 251/187 251/193 - - 2.02/1.60
Trick Flow 51400004-CO1 TW CNC185 185/66 64 72/58 142/112 216/150 258/192 287/220 301/231    2.02/1.60
Trick Flow 51400004-CO2 TW CNC205 205/66 65 72/58 144/112 220/150 270/192 299/220 316/231    2.02/1.60
Trick Flow 52400001 - R Series 206/92 61 68/50 147/102 205/146 242/178 275/200 296/212 305/222 - 2.08/1.60
Trick Flow 52400001 - R Series Blend & Polish 206/92 61 66/55 146/111 208/157 254/200 287/225 307/244 325/254 - 2.08/1.60
Trick Flow 52400003-CO1 - R Series CNC225 225/100 65 67/59 141/116 213/159 270/205 308/244 331/259 341/271   2.08/1.60
Windsor Sr 197/- 64 - - 162/121 196/137 218/149 225/160 - - 2.02/1.60
World Windsor Jr 171/- 58 116/84 159/96 189/120 204/126 216/129 222/132 - - 1.94/1.60
World Roush 200 197 64 - 129/117 187/139 232/145 257/140 260/152 264/154 - 2.02/1.60
ARAO B-2 220/- 64 119/109 191/181 260/216 304/243 329/261 314/277 354/282 - 1.65/1.40
ARAO B-3 265/- 64 111/121 193/187 264/223 312/251 330/273 364/289 366/296 - 1.65/1.40
ARAO C-2 220/- 66 114/143 196/204 272/238 327/260 364/280 367/296 382/300 - 2.02/1.60
ARAO C-3 265/- 66 116/146 203/210 277/247 331/273 367/292 386/306 396/313 - 2.02/1.60





Ford big block
Manufacturer /Part Number Port/Vol
Intake / Exhaust
Combust. Chamber Volume .100"
Intake / Exhaust
.200"
Intake / Exhaust
.300"
Intake / Exhaust
.400"
Intake / Exhaust
.500"
Intake / Exhaust
.600"
Intake / Exhaust
.700"
Intake / Exhaust
.800"
Intake / Exhaust
Valve size
Intake / Exhaust
Ford 429 DOVE N/A 76 - - - 229/174 254/177 272/177 - - 
Ford 429 CJ N/A 72 - - - - 300/189 331/201 - - 
Ford 460 CJ Al N/A 72 - 144/116 199/159 254/166 291/189 308/194 322/195 -  
Ford 460 CJ Al Ported N/A 72 - 143/123 202/176 264/202 317/230 348/253 371/256 -  
Ford C-460 Ported N/A 65 - - - - 455/329 483/364 496/381 505/387  
Ford Boss 429 N/A 85 - - - - - 379/225 - - 
Trick Flow A460 N/A 91 - 193/171 271/211 323/237 355/244 368/252 396/268 412/287  
Edelbrock #6006 (FE) N/A 72 - 149/112 185/148 222/171 252/183 - - -  
Edelbrock #6007 (FE) 170/125 76 88/64 153/113 195/148 233/171 265/183 270/200 - - 
Edelbrock #6066 (385) 292/100 75 76/67 140/118 207/153 260/180 300/200 319/207 326/207 -  
Edelbrock #6066 (385) Ported 292/100 75 - 160/125 230/164 289/201 330/221 360/242 379/251 392/262  




Mopar small block
Manufacturer /Part Number Port/Vol
Intake / Exhaust
Combust. Chamber Volume .100"
Intake / Exhaust
.200"
Intake / Exhaust
.300"
Intake / Exhaust
.400"
Intake / Exhaust
.500"
Intake / Exhaust
.600"
Intake / Exhaust
.700"
Intake / Exhaust
.800"
Intake / Exhaust
Valve size
Intake / Exhaust
915 J N/A N/A - 123/N/A 170/N/A 206/N/A 220/N/A N/A N/A N/A  
974 N/A N/A - 131/N/A 183/N/A 210/N/A 216/N/A N/A N/A N/A  
308 N/A N/A - 125/N/A 182/N/A 201/N/A 205/N/A N/A N/A N/A  
894 X N/A N/A - 112/N/A 180/N/A 217/N/A 232/N/A N/A N/A N/A  


 

Ford 5.0 intake manifold data

Manufacturer

1

2

3

4

5

6

7

8

Average

Flow Differential CFM

Percent

Avg. CFM per sq.in.

Stock 5.0*

123

140

142

145

119

139

133

150

136

31

21

90.7

Saleen/Vortech *

157

174

178

161

154

170

174

173

168

24

13.4

56.4

GT-40*

186

202

202

204

182

197

198

201

197

22

10.8

93.4

'93 Cobra *

187

203

200

200

188

206

207

208

200

21

10.1

102

'94-'95 Cobra *

184

200

197

198

186

206

206

207

198

23

11.1

99.5

Edelbrock Performer 5.0*

206

212

209

209

203

215

215

206

210

12

5.6

108.2

Edelbrock Performer RPM

with 1" spacer

227 233 224 236 222 229 222 241 230 19    

Downs Ford *

193

183

215

203

191

219

207

226

205

43

19

97.2

Explorer*

169

180

176

180

177

177

183

183

178

14

7.7

84.4

Professional Products Typhoon                 207 40    

* 25 inches of water to convert to a 28 inch value, multiply by 1.06.

 

 

Throttle Body Flow Data At 28" H2O

Ford 5.0
Manufacturer size airflow (cfm)
Ford 60mm 526
AccuFab 65mm 616
BBK 70mm 726
AccuFab 70mm 787
AccuFab (race version) 70mm 896
AccuFab 75mm 924
AccuFab (race version) 75mm 1045
AccuFab 80mm 1142
AccuFab 85mm 1322
AccuFab 90mm 1369




Ford 4.6 2V
Manufacturer size airflow (cfm)
Ford Stock 588
AccuFab 70mm 708




Ford 4.6 4V
Manufacturer size airflow (cfm)
Ford stock Cobra twin 58mm 1089
Motorsport Cobra oval ? 1373
AccuFab Oval Lightning ? 1696
AccuFab Cobra Ellipse ? 1284
BBK Cobra Twin 62mm 1280
BBK Cobra Twin 65mm 1339

 

 

Ford Mass Airflow Sensor Flow Data At 28" H2O

 
Manufacturer size airflow (cfm)
Ford Stock 5.0L 58mm 606
Cobra 70mm 815
C&L 73mm 1171
Pro-M Bullet 75mm 964
Pro-M short 77mm 1543
Pro-M Standard 77mm 1562
Ford 80mm 1017
C&L 80mm 1415
Pro-M 83mm 1598