Originally Posted by
ashtonsser pull the plugs one at a time, the knocking especially if light should go away when you rev the motor up. If its still there its probably a lifter.The sound is there at idle, during cruising and under load or no load. Very odd for rod knock but I'm still leaning towards that.
Originally Posted by
ashtonsser Only thing to explain the low number 4 reading is possibly ring damage,Or a sticking valve, or an improper valve seat, or a head gasket issue.
Originally Posted by
ashtonsser What cylinder did you melt the tip on. I would guess that one being thats the one i melted the tip on when i had detonation,Yes, the tip melted on cylinder 4 where the lower compression is.
Originally Posted by
ashtonsser always seems to be number 3 or 4 for some reason.The cylinders run hotter as you get towards the transmission. The transmission keeps things hot and the coolant flows from cylinder 1 to 4.
Originally Posted by
ashtonsser Rod knock for the most part is very easy to diagnose. Pull the plugs one at a time and it should go away,I know, I just haven't got around to doing that yet. I will.