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: What are the flow numbers on Merlin III heads? Jim_D Oct 11th, 07, 11:40 AM I have a set of Merlin III heads 345 runners and I have no idea what they flow. I would like to play with my Desk Top Dyno and having your flow numbers really gets you much closer to your HP/Torque numbers. Thanks, Jim Mike Oct 11th, 07, 1:17 PM Which ones? 030630 ? Jim_D Oct 11th, 07, 1:35 PM Which ones? 030630 ? They are iron heads and the only numbers I see are 1-043B Mike Oct 11th, 07, 2:20 PM .200 = 144 -114 .300 = 213 -156 .400 = 270 -180 .500 = 307 -192 .600 = 324 -198 .700 = 326 -204 .800 = 335 -207 Which version of DD? DieselEater Oct 11th, 07, 6:12 PM (Don't mean to hijack) Is that same casting number without the B the 320cc head?? What are its numbers?? Thanks, A....... Jim_D Oct 12th, 07, 10:48 AM .200 = 144 -114 .300 = 213 -156 .400 = 270 -180 .500 = 307 -192 .600 = 324 -198 .700 = 326 -204 .800 = 335 -207 Which version of DD? Boy I thought they would flow a little more than that, darn. Thank you for your reply. Maximum Race Engines Oct 17th, 07, 3:45 AM Merlin heads do not work very well out of the box and can stand to have some work done. In the right areas it will help, but they are still not as good as a better casting, like a Dart or Canfield. | ||