brian stanek
Member
anyone heard of this? 188 gas in 630 came from combine little sticky from sitting, finally turned over by hand then starter. lube in cyls and started. lots smoke and a miss at first. got better and better, no smoke etc. each time I used it which isn't a lot runs great. used for an hour four days ago. couple days later backfired finally started bad miss. made it into shop. comp check showed no comp on no. 4. push rod had jammed between rocker and hole in block one other rod was bent. upon fixing the problem with other rods , no 4 valve would not keep up to rocker arm upon cranking. with some lube it finally started to work. started tractor and ran great. did not rev it up but ran fine any ideas what has happened?