got the chain ,replaced,that cleared up some rattle but still got a little noise.Higher grade of fuel and seafoam helped some .still not right.when I jump the timing plug out nothing happens.shouldnt something change when I jump it out?if I set timing to 5 btdc it has NO power advance it to 12btdc it feels much better.but still making a little noise.engine had major sludge.think Ill flush it out with some diesle fuel tomorrow.The noise is present at acceleration only .anybody have any thought on this?I think Ill go read my fsm <img src="/forums/images/graemlins/cheers.gif" alt="" />