Posted by Vern-MI on February 27, 2008 at 03:50:29 from (207.69.137.39):
In Reply to: john deere 620 problems posted by Caleb in pa on February 26, 2008 at 16:40:44:
Probably both worn valve guides and worn piston rings. When you throttle back it closes the throttle plate and causes higher intake vacuum and pulls oil up past the rings indicating worn rings. Also when you throttle up it would have higher cylinder pressure causing more blowby past the piston rings which would come out the breather. Yep an overhaul is in it's future. If ya like the tractor fix it and enjoy it. Still cheaper than a new one.
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Today's Featured Article - The 8N and the Fox - by Zane Sherman. Dec. 13 1998, Renfroe, Alabama. Last niht I dreamed about the day that I plowed the field of about 10 acres over on what Jimmy and Dandy called the Ledbetter field. I was driving the 1948 8N Ford tractor that Jimmy bought in 48 new This was prebably in about 1951 and maybe even befor the house was built. This would have made me to be about16 years old and I drove the tractor for nothing and would have paid to drive it if I had had any money which I didn't, but neit
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