Capt_Zorro Posted August 1, 2004 Share Posted August 1, 2004 Does anyone still use the C9AE or DOOE 351 Windsor Cylinder heads with the larger valves? I was cleaning out a cabinet in the old garage and found one set that I had ported & polished and rebuilt years ago also a couple more cores. If I remember correctly I need to mill about .200 off the top of the mounting bosses for guideplates and then drill and tap them for screw in studs to make them usuable. Gracias Amigos, Quote Link to comment Share on other sites More sharing options...
blueovalz Posted August 1, 2004 Share Posted August 1, 2004 I don't think this resource for additional air flow is as popular as it used to be. I never saw much difference between the two heads (302 vs 351w) in performance. Being a bolt-on modification (without any porting) may have been what made it popular, but once porting is done, the difference becomes insignificant. As far as the milling to use screw-in studs, I believe the .2" is correct. Quote Link to comment Share on other sites More sharing options...
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