archemitis Posted November 17, 2007 Share Posted November 17, 2007 i've been sifting all day long... do hydro lifters go hand in hand with big valve heads? i have an 84 motor with solid lifters, does that mean i have the small valves? Link to comment Share on other sites More sharing options...
Jerry DeMoss Posted November 18, 2007 Share Posted November 18, 2007 i've been sifting all day long...do hydro lifters go hand in hand with big valve heads? i have an 84 motor with solid lifters, does that mean i have the small valves? I believe all hydro lifter ea81 motors have the large valve heads.(At least all of the ones I have seen do.) I know that some solid lifter motors from around '83 1/2 to '84 started to come with the larger valve heads. I have heard that some even back in '82 could have come with the larger ones but that I don't know for sure. Link to comment Share on other sites More sharing options...
daeron Posted November 18, 2007 Share Posted November 18, 2007 hate to post an "i think so," but my recollections tend to mesh with what was stated above.. the hydros were all large valve, but some later solids were also large valve. I wouldn't bother saying anything, but since you've only gotten one "I think so" thus far, I figured I would double that count. Link to comment Share on other sites More sharing options...
GeneralDisorder Posted November 18, 2007 Share Posted November 18, 2007 All 83+ engines were large-valve. Solid or Hydro - doesn't matter. GD Link to comment Share on other sites More sharing options...
TomRhere Posted November 18, 2007 Share Posted November 18, 2007 All 83+ engines were large-valve. Solid or Hydro - doesn't matter. GD Just to ad to this incase one finds an engine that's no longer in a vehicle; Angled corner on valve cover = large valve. All corners rounded = small valve. Link to comment Share on other sites More sharing options...
archemitis Posted November 19, 2007 Author Share Posted November 19, 2007 nice, thanks! Link to comment Share on other sites More sharing options...
ShawnW Posted November 20, 2007 Share Posted November 20, 2007 Just to ad to this incase one finds an engine that's no longer in a vehicle; Angled corner on valve cover = large valve. All corners rounded = small valve. Has anybody got a photo that illustrates this? I know this is a rule for 1600/1800 identification that for the most part works but maybe not on the later 1600 (84 and newer) Link to comment Share on other sites More sharing options...
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