the26incher Posted December 30, 2012 Share Posted December 30, 2012 Is it true that the 84 and later model heads have bigger intake valves than earlier models? Thanks Quote Link to comment Share on other sites More sharing options...
GeneralDisorder Posted December 30, 2012 Share Posted December 30, 2012 83+ actually. The intake valves are 2mm larger. The published HP numbers went up by 1. Not even noticeable in the real world and definitely not worth seeking out unless you need to replace your heads anyway. And in any case a good machine shop could enlarge the valves on 80-82 heads to match or make any of the heads larger even than the 83+ heads. GD Quote Link to comment Share on other sites More sharing options...
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