afewsubarus Posted June 3, 2010 Share Posted June 3, 2010 Are the cylinder heads from a FI ea82 interchangable with the heads from a non-FI? Link to comment Share on other sites More sharing options...
obk25xt Posted June 3, 2010 Share Posted June 3, 2010 Except for the air recirc port thingys near the exhaust ports. Someone else will surely chime in and clarify what I'm saying. Link to comment Share on other sites More sharing options...
GeneralDisorder Posted June 3, 2010 Share Posted June 3, 2010 As long as they are throttle body injection heads, yes. Turbo and MPFI heads are dual-port and are not interchangeable because the SPFI and Carb manifolds are single-port. SPFI heads will not have the ports for Air Injection drilled out on the bottom near the exhaust port. Those would have to be drilled or the AIS removed (may not be possible for emissions reasons in your area) for them to work on a carbed engine. GD Link to comment Share on other sites More sharing options...
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