We got a miss in the 870.
About 1600 hrs. on a complete overhaul. About 100 hrs. ago she started what sounded like an exhaust valve leak that you would hear when you shut it down. Removed valve covers and found one valve with little clearance, adjusted and worked okay. Now it started missing on a cylinder when it is worked hard for a while, if you throttle it back it stops missing after a bit. Pulled valve covers again to check lash and one exhaust valve is at .010 cold. Any clues as to what is going on here?
About 1600 hrs. on a complete overhaul. About 100 hrs. ago she started what sounded like an exhaust valve leak that you would hear when you shut it down. Removed valve covers and found one valve with little clearance, adjusted and worked okay. Now it started missing on a cylinder when it is worked hard for a while, if you throttle it back it stops missing after a bit. Pulled valve covers again to check lash and one exhaust valve is at .010 cold. Any clues as to what is going on here?