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flow 285 otb,

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FWIW, in the stealth vs eddy rpm flow test that that dwayne (fast68plymouth) did when the stealths first came out, neither the stealth nor eddy heads came near touching 285cfm OOTB. In that test, at .300 lift and below, the stealths had a slight few cfm edge over the eddy heads, after that the eddys had about a 10cfm lead, peaking at 276cfm at .600 lift. From what I'm told, a clean up of the bowl to valve seat transition on the steath heads really helps bring them up to par with the eddy heads.

But hey, everyone's flow bench is different. Some seem to put out some really 'happy' numbers!

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I have had 4 different 440source heads on my flow bench and the best flowing port was 267 cfm. It takes about 1-2 minutes to check the calibration on my bench so I check it every time I start porting a set of heads. When I hear these guys saying they flow 290 out of the box I cringe.