jono Posted March 14, 2016 Share Posted March 14, 2016 OK, playing with exhaust repair and replacing the head to Y pipe gasket got me thinking ... My carb EA81 head has a ~40mm exhaust port and I am using a gasket with a 50mm hole and ~76mm centres for the stud holes. The EA82T mpfi head in the bathroom just measured up as ~50mm - now there is a performance enhancement already ! Just curious if anyone has an EA81T & EA81S head to measure up and possibly EA82 carb and EA82 spfi to contribute some measures for curiosity?? I am starting to lean towards twin port EA82 mpfi heads and EA82 for performace mods over the EA81's !! Link to comment Share on other sites More sharing options...
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