General Chit Chat Are my 840 jugs worth anything? August 6, 2015 I pulled my motor apart to check things out after injector failure. The jugs seems to be in pretty good shape. The front piston had a little piston slap. I have no idea what to do with these. I sent stock 800 ones in for cores. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related