In this article, John Tice will discuss the various different methods and procedures for sizing a sleeve, as well as interference fitting, and shrink fitting. - Billy
Originally Posted by Tim Ey
About the discussion gasket on the cylinder head or between cylinder and motor:
It depends on the steering timing you get as a result. Some engines have so moderate steering timings that you can not make a mistake with putting a "down" gasket on them
My next project is from Louis. 3 CR500 cylinders, 1 for a bore, 2 new liner + decomp & 3 who knows?
My first challenge is liner replacement + fixing the Decompression mounting. This cylinder has had multiple chrome plating jobs. Chrome has a habit of a good chemical bond with the iron liner. This stuff really sticks and is equally difficult to remove. Another problem for you rebuilders with only a cylinder boring machine, chrome plating removal from an iron liner can seriously damage
If the Cylinder boring bar isn't adjusted smooth and close the final bore may not turn out round. Most every operator agrees that when possible, the cylinder should be mounted upside down when tightened in the fixture. When the tool bit hits some of the porting the bar may Jump slightly and cause an interrupted cut. An inaccurate bore from an interrupted cut is almost impossible to straighten out with a cylinder hone.
A tip for Hone stone storage: I always remove and replace
There seems to be interest in the strength of Forged vs. Cast Pistons. I didnít have a cast piston to crush in the press for a demonstration, but weíve all seen enough carnage and know how cast pistons fly apart.
I did find an old forged Wiseco to give a substantial push demonstration. I put this old Trooper Wiseco in my 60 ton press and gave it a shove. The piston didnít start to fail till around 40 tons. I took these photos at 50 tons of pressure.
Cylinder Honing, Doís & Doníts
Now dayís with so many different piston manufacturers, skirt clearance is one of the most critical fits in your engine. Most of the pistons are forged and extremely strong. Much tighter skirt clearances & many more ports in the 2-Strokers makes the Hone Procedure even more important.
Ball Hone, Ammco & Lyle type hone, 3-Fingered brake cylinder hone
The Ball hone is good for final deburr and Plateau finishing.