Posted by Destroked 450 on February 10, 2023 at 08:56:59 from (174.238.49.247):
In Reply to: Tractor turbocharger posted by crsutton81 on February 10, 2023 at 06:12:49:
I have that 8.3 engine in my F-800
Take the air intake pipe off the turbo then see if you can wiggle the shaft up and down or in and out
It should have a small amount of up and down for bearing clearance but no in and out, more the 1/8 inch up and down indicates a worn shaft or bearing which would allow the fan blades to rub against the housings
Check the hoses and their connections for holes or loose clamps the would allow boost pressure to escape
Does it have a water cooled after cooler or air to air, if air to air check it for damage to the
And exhaust leak will reduce drive pressure needed to get max boost from the turbo, but these can normally be heard
Adding a boost gage will let you know how the turbo is performing, I use a boost gage to tell me when it s time to change fuel filters
If the air filter or intake is restricted you should be getting excessive smoke under load
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Today's Featured Article - Tuning-Up Your Tractor: Plugs & Compression Testing - by Curtis Von Fange. The engine seems to run rough. In the exhaust you can hear an occasion 'poofing' sound like somethings not firing on all cylinders. Under loaded conditions the tractor seems to lack power and it belches black smoke out of the exhaust. For some reason it just doesn't want to start up without cranking and cranking the starter. All these conditions can be signals that your unit is in need of a tune up. Ok, so what is involved in a tune up? You say, swap plugs and file the points....now tha
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