I am on about fifth or six tank of fuel after breaking in the motor.Last week it was running very very good. 3 seconds on the pinch test, and running around 265 with the body on. Yesterday It was running like CRAP!
Would not shift into second, very high pitch and idled high. Today I noticed there was fuel coming up from under the glow plug. I changed glow plug,and still have fuel around the glow plug.
It will now shift into second, and will Idle decently enough, however about fifty percent of the time it stutters when shifting into second.
Could something be cracked? The glow plug screws in very nicely and seats itself pretty good. I go until just snug. I turn until it stops without much force.
Any suggestions as what it might be? It got to 290 one time when I put the new peterbuilt body on, and that is the only time it ever ran that hot and I did not run it very long even then.