Posted by sflem849 on February 01, 2010 at 14:02:51 from (69.197.84.192):
In Reply to: Super MD break in posted by Keith In Ga on February 01, 2010 at 09:44:04:
rustred said: (quoted from post at 14:15:58 02/01/10) as hoss says,your full load is probably the most important operation. you want those rings to expand and be forced into the cyl. walls when she is firing under load at operating temp.if you just idle around the yard not reaching operating temp. the cyls. will get glazed and she will use oil.just make sure they are cooled down good before shut down. absolutly no reason to switch to gas till your ready to fire up next time. another tidbit of info. a diesel runs cooler at idle than a gas which means it will cool off faster.some say to clean out the plugs, thats nonsense also because there is never any diesel combustion at the plugs. if you dont believe it start her up switch to diesel and remove one .
I think you meant to say there SHOULDN'T be any diesel on the plugs. I checked for blow by with my compression tester and did see a little on a couple cyls.
When our neighbors would rebuild a diesel they would run it about twice as hard as you would run a normal tractor. I remember when they rebuilt their 4020. They pulled it straight out of the shop and hooked it to the moldboard. They ran it like a rented mule on the plow, but I would bet they varied the throttle from half-3/4 on up.
The tale could also be told of the two guys who bought ____ together. One guy babied his for the entire break in so it would be "better" while the other guy drove it like he stole it. The guy who drove it like mad always has more power than the guy who babied it. I have heard this about diesel pickups as well as ATVs.
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