What are the flow rates of 1G / 2G heads?


Similar Questions:
What are the flow rates of ported heads vs stock heads?

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Manufacturer
Part Number
Port/Vol
Int/Exh
Valve Size Int/Exh Combust. Chamber Vol .100 .150 .200 .250 .300 .350 .400 .450 .500 .550 .600 Average
Eclipse SOHC N/A - N/A - - - - - - - - 240/125 - - -
Eclipse SOHC CNC M2 Race Systems N/A 35.25mm/ 25.7mm
3.575
N/A - - - - - - - - 275/195 - - -
4G63 Gen I N/A 34mm/ 30.5mm N/A - - - 229/187 237/188 - - - - - - -
4G63 Gen I '89-94 CNC M2 Race Systems N/A 35mm/ 30.5mm
3.575
N/A - - - - 251/202 - 283/240 284/249 - 286/260 - -
4G63 Alaniz Cyl Heads N/A 34mm/ 30.5mm N/A 77/75 117/117 154/151 187/174 206/189 216/197 220/199 221/200 223/202 - - -
4G63 Ported Level 4 Polk N/A 35mm/- N/A 106/- 161/- 188/- 241/- 270/- 298/- 309/- 320/- 334/- 346/- 357/- -
4G63 AMS SF600 N/A 34mm/ 30.5mm N/A 81/67 119/105 153/138 183/173 201/192 209/203 211/208 205/209 206/211 - - -
4G63 Ported AMS SF600 N/A 34mm/ 30.5mm N/A 107/88 151/134 189/193 222/229 244/245 258/249 269/255 274/261 277/265 - - -
4G63 1G Ported Fox Lake SF600 N/A - N/A - - - - - - 280/- 289/- 291/- - - -
4G63 2G Ported Fox Lake SF600 N/A - N/A - - - - - - 272- 281/- 287/- - - -
1G N/A 34mm/30.5mm N/A 78/84 - 150/170 - 204/205 218/206 225/- - - - - -
1G Mild Port N/A - N/A 83/- - 157/- - 222/- 235/- 244/- - - - - -
Manufacturer
Part Number
Port/Vol
Int/Exh
Valve Size Int/Exh Combust. Chamber Vol .100 .150 .200 .250 .300 .350 .400 .450 .500 .550 .600 Average
1G Ported N/A - N/A - - - - - - 275/- - - - - -
1G Ported Mike +1mm valves N/A 35mm/31.5mm N/A 87/78 - 169/166 - 230/208 - 257/227 - 270/239 - - -
2G N/A 34mm/30.5mm
3.37
No Pipe
N/A 80/73 - 155/146 - 211/181 - 227/183 229/183 - - - -
2G Ported N/A -
3.37
No Pipe
N/A 91/73 - 173/147 - 226/210 - 254/234 269/240 - - - -
EVO 4G63 CHW Alum N/A 34mm/30.5mm
-
No Pipe
43.3 74/75 - 147/142 - 195/176 - 200/179 - 196/182 - 198/181 -
EVO 4G63 Ported CHW Alum N/A 35mm/31.5mm
-
No Pipe
45 87/85 - 164/159 - 215/211 - 239/227 - 246/229 - 252/231 -
EVO Ported Fox Lake SF600 N/A - N/A - - - - - - 265- 276/- 280/- - - -
EVO 1 Sabre Heads JS N/A 34mm/30.5mm N/A 80/72 122/120 161/163 197/189 225/198 238/202 246/205 251/205 252/205 - - -
EVO 1 Ported Sabre Heads SF110 N/A 34mm/31.5mm N/A 78/79 118/132 159/172 197/194 225/207 240/219 251/224 257/227 261/231 - - -
EVO 4G63 Cosworth N/A 34mm/ 30.5mm N/A - - - - - - - - 282/257 - - -
EVO 4G63 Ported Cosworth N/A - N/A - - - - - - - - 335/282 - - -
EVO 8 4G63 David B N/A 34mm/30.5mm N/A - 177/135 - 221/197 - 224/218 - 228/218 - - - -
Manufacturer
Part Number
Port/Vol
Int/Exh
Valve Size Int/Exh Combust. Chamber Vol .100 .150 .200 .250 .300 .350 .400 .450 .500 .550 .600 Average
EVO 9 Kelford Cams N/A 34mm/ 30.5mm N/A 81/70 122/110 158/142 188/162 211/175 225/186 236/192 239/196 - - - -
EVO 9 Mild Port Kelford Cams +1mm valves N/A 35mm/ 31.5mm N/A 89/81 131/121 169/160 200/179 227/193 245/204 257/213 266/221 - - - -
EVO 9 CNC Heads UK N/A 1.377/1.24
100mm
Pipe
N/A 77/72 115/- 154/161 188/- 211/202 219/- 222/219 226/- 227/226 - - -
EVO 9 Ported CNC Heads UK N/A 1.377/1.24
100mm
Pipe
N/A 89/85 133/- 177/186 213/- 240/239 263/- 278/271 286/- 291/294 - - -
EVO IX Ported AMS +1mm valves SF600 N/A 35mm/ 31.5mm N/A 107/88 151/134 189/193 222/229 244/245 258/249 269/255 274/261 277/265 - - -
EVO X AMS SF600 N/A 34mm/ 30.5mm N/A 101/74 147/128 186/157 216/161 235/183 252/186 266/189 275/191 280/193 - - -
EVO X Ported AMS N/A - N/A 97/86 139/141 183/199 225/226 251/233 274/235 293/238 305/239 315/240 - - -
EVO X 4B11 David B N/A 34mm/ 30.5mm N/A - 141/142 - 202/197 - 242/212 - 256/219 - - - -
EVO X 4B11 N/A 34mm/ 30.5mm N/A 85/71 131/121 173/154 208/170 231/177 250/181 265/183 273/185 277/187 - - -
EVO X 4B11 Mild Ported Kelford Cams N/A 34mm/ 30.5mm N/A 86/80 131/127 173/157 209/178 235/189 256/194 272/197 283/198 292/200 - - -
G54B Ported Marnal N/A 1.80/1.50 N/A 58/51 - 114/91 - 170/118 - 211/141 - 223/155 - 229/160 -
NT PPE LLC N/A - N/A 84/73 - 169/156 - 220/185 - 233/191 - - - - -
Manufacturer
Part Number
Port/Vol
Int/Exh
Valve Size Int/Exh Combust. Chamber Vol .100 .150 .200 .250 .300 .350 .400 .450 .500 .550 .600 Average
NT Port PPE LLC N/A - N/A 91/96 - 175/183 - 242/211 - 260/219 - - - - -
TT N/A - N/A 86-93/77-80 - 165-179/151-164 - 223-230/191-200 - 246-262/195-216 - 249-256/196-219 - - -
VR4 N/A - N/A 95/98 - 174/168 - 226/201 240/209 249/212 - - - - -

 

QA #465

Last Updated:
2013-02-07 08:14


Cam Dorland | 95 Eagle Talon
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