was going across lake @ 4500 and just started missing bad runs perfectly till it hits 3000 or more.starts fine,idles runs great 3000 or below good comp. and spark...what do i check? help................
was going across lake about 4500 rpm suddenly started missing badly. from start to about 3000 rpm runs perfectly go above that and seems like out of time...could be timing or collapsed gas line? i need help..........