When Should You Replace Your Rings? (28 April 2024)
If you have a trace of blue smoke and are using quite a bit of oil, you may be in the market for rings. Before
you can come to this conclusion, you need to check your piston to sleeve tolerances and surfaces plus make sure
your valve guides are not sloppy. The valve guides can also exhibit the same symptoms as do worn out pistons and
sleeves (or cylinders).
Rings can be replaced when you have verified all the following:
- Bore of cylinder is not scored
- Rings are not stuck to cylinder wall
- Bore is within tolerance throughout piston travel (up and down and at right angles around the bore)
- Piston is not scored, cracked or its top surface eaten away
- Bottom flanges of sleeve are not cracked
- Sleeves are not leaking oil into cooling system
- Piston ring grooves are within tolerance and not damaged
There are several conditions that warrant more extensive work than ring replacement. Engines frequently get
stuck because of ring problems and depending on how it sticks, a stuck engine can lead to other extremely expensive
problems such as bent rods, damaged crankshafts, and block casting damage. It is wise to make sure that your engine
is a good candidate for just replacing the rings.
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Today's Featured Article -
The Cletrac General GG and the BF Avery A - A Bit of History - by Mike Ballash. This article is a summary of what I have gathered up from various sources on the Gletrac General GG and the B. F. Avery model A tractors. I am quite sure that most of it is accurate. The General GG was made by the Cleveland Tractor Company (Cletrac) of Cleveland, Ohio. Originally the company was called the Cleveland Motor Plow Company which began in 1912, then the Cleveland Tractor Company (1917) and finally Cletrac.
... [Read Article]
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