Posted by jimg.allentown on August 31, 2018 at 11:03:06 from (108.16.40.107):
In Reply to: engine rebuilding? posted by jl ray on August 31, 2018 at 10:27:35:
There is a lot more to engine rebuilding than piston fit and bearing fit. These items are just the beginning and the foundation of an engine. Engine bearings are normally either standard or undersized. Why? Because when a crank is reground, material is removed making the journal diameter smaller. That then requires smaller (undersize) bearings for a proper fit. Other items come into play for the basic short block assembly. Crankshaft end play is also important. Connecting rod side clearance is also important. Piston skirt to bore clearance is also important. All of these things go into assembling a short block that will stand up to a day's work. Next comes cylinder heads and the intake system and the oiling system. The pistons, crankshaft, and rods are just the beginning.
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Today's Featured Article - Tractor Hydraulics - The Basics - by Curtis Von Fange. Hydraulics was one of the greatest inventions for helping man compound the work he can do. It’s amazing how a little floor jack can lift tons and tons of weight with just the flick of a handle. What’s even more amazing is that all the principals of hydraulic theory can be wrapped up in such a small package. This same package applies to any hydraulic system from the largest bulldozer to the oldest and smallest tractor. This short series will take a look at the basic layout of a simple hydraul
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