a freind has a 706 diesel had it overhauled . Well he didnt break it in now its smokeing as we all know is not good . What is a guy to do he's been driving it around enough that its seeted that way now i'd guess . There was a product called [bownammie] sure not speeled right that you would spray in the intake with a warmed up motor and then work it , never find that now though . anybody have any ideas on what to try now?
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rustred
Well-known Member
presuming he has the rings installed correctly.
smoking? maybe unburned diesel.
worst thing to do is just idle around with it!
first need to get it to operating temp, even cover the rad if you have to. need to put it under load such as dyno or cultivator. have to get that engine working so the rings expand into the cyl. walls. ya, if you have bon-ami can give it a sniff in the intake. couple table spoons. if the cyls. are washed down with diesel they may never seat. get it going under a varying load for 1/2 day.
smoking? maybe unburned diesel.
worst thing to do is just idle around with it!
first need to get it to operating temp, even cover the rad if you have to. need to put it under load such as dyno or cultivator. have to get that engine working so the rings expand into the cyl. walls. ya, if you have bon-ami can give it a sniff in the intake. couple table spoons. if the cyls. are washed down with diesel they may never seat. get it going under a varying load for 1/2 day.
Question: How many hours does he have on it since overhaul? A few? or a few hundred?
If you want to try the Bon-Ami trick, it is a powdered abrasive cleaner, usually available right next to the steel wool and other cleaning products at the grocery store.
If you can't "work" it for the day, maybe you could try putting it in high gear, taking off at as low of a throttle as possible, and giving it full throttle. Up some hills if you have any would work it longer. This is how the Haynes manual tells you to "break in" 6.5 and 7.3 diesels. Do it repeatedly. Maybe pull some heavy wagons around.
Just a few thoughts. Good Luck!
More Thoughts:
It could be fuel smoke like rustred said. My 806 smokes a blue-ish color all winter long, at least while the motor is really cold. It usually always has a hint of blue on cold startup, even in the summer after I've worked it some. Mine don't use very much if any oil, and don't have excessive blow-by. That's how I judge my motors.
Not trying to be a know-it all, just thinking while at work.
If you want to try the Bon-Ami trick, it is a powdered abrasive cleaner, usually available right next to the steel wool and other cleaning products at the grocery store.
If you can't "work" it for the day, maybe you could try putting it in high gear, taking off at as low of a throttle as possible, and giving it full throttle. Up some hills if you have any would work it longer. This is how the Haynes manual tells you to "break in" 6.5 and 7.3 diesels. Do it repeatedly. Maybe pull some heavy wagons around.
Just a few thoughts. Good Luck!
More Thoughts:
It could be fuel smoke like rustred said. My 806 smokes a blue-ish color all winter long, at least while the motor is really cold. It usually always has a hint of blue on cold startup, even in the summer after I've worked it some. Mine don't use very much if any oil, and don't have excessive blow-by. That's how I judge my motors.
Not trying to be a know-it all, just thinking while at work.
mike1972chev
Well-known Member
Help ME out here.
What material are the piston rings made out of????
If they are HARD,CHROME,(IDK about 706 diesel rings???) If the rings ARE hard,and the cylinders WERE NOT honed with the CORRECT grit of stone,the Bon-Ami trick would help! (Bon Ami is just about like "Comet".(I believe ground up pumice stone?)
I really DO NOT know what is being called a "rebuild" here??? Did it get new pistons,rings, AND cylinder liners???? Did it just get rings only????
MORE detail,and I can give a BETTER answer.
What material are the piston rings made out of????
If they are HARD,CHROME,(IDK about 706 diesel rings???) If the rings ARE hard,and the cylinders WERE NOT honed with the CORRECT grit of stone,the Bon-Ami trick would help! (Bon Ami is just about like "Comet".(I believe ground up pumice stone?)
I really DO NOT know what is being called a "rebuild" here??? Did it get new pistons,rings, AND cylinder liners???? Did it just get rings only????
MORE detail,and I can give a BETTER answer.
Allan in NE
Well-known Member
Aw,
Betcha it's just over-fueled from 'putzin' around. Diesels just simply don't like light-duty service. True for any diesel, new or not.
If it's the 282, is the timing set right? ONE degree advanced can make 'em flare and smoke at hi idle.
Allan
Betcha it's just over-fueled from 'putzin' around. Diesels just simply don't like light-duty service. True for any diesel, new or not.
If it's the 282, is the timing set right? ONE degree advanced can make 'em flare and smoke at hi idle.
Allan
RedRoundhead
Member
Ditto to the "work it hard". Hook the biggest chisel plow it can handle to it, and work it a good 12 hours steady.
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