bullnerd wrote:
Hoser do you know what a trepanning tool is?For the lathe?
How about plasma and the lathe?Plasma and a wood pattern/guide?
Large core style drill?In the lathe.
Just throwing out what pops in my head,but my first try would be a trepanning tool,at least down to the ports.That stuff cuts like chalk on the lathe.
Found a pic of a trepanning tool.There many,many,variations but this pics shows the concept.
Any pics of a finished cylinder without the jacket?
How far down do you have to remove the fins?
Never heard of a trepanning tool before, looking at your pic it looks like a regular tool holder and a chunk of high speed steel in the tool holder I have both I also have a huge varity of other bits, cutters is not the problem the problem is gearing my lathe down to run slow enough I need to return it to stock gearing the former owner set it up for buffing his bling parts so it runs about 60,000 RPM and sounds like a jet taking off or gear drive on a race car lol then I need to fins a accurate way (fixture) to hold the cylinder by the bottom and the top so I can not only spin it in the lathe to remove parts of the cooling fins but so I can machine the notch in the top of the cylinder to accept the new sleeve, I want to also hold the cylinder by the head end so I can skim cut the bottom of the cylinder to remove caveman damage caused by others and restore the gasket surface.
Far as I am concerned I don't have to remove much more of the fins just need a good flow path for the coolant to go from one side of the cylinder to the other and pick up heat, looking at other cylinders that have been modified this way I already have removed enough, IMO more surface area in the water to transfer heat the better.
The fins don't have to look pretty either they will be inside the coolant loop where they cant be seen I will hit all the surfaces with a grinder to remove all sharp edges, I would hate to create any stress risers that could turn into a crack many years from now then have that crack run across the inside of the cylinder and cause problems.
Someone just did a 350 cylinder here on this site a while back cant remember who shoubadaba maybe? Pretty much doing the same thing.
Your thoughts?
Others thoughts?
Gotta dig out a FL250 cylinder to be done also.
Need to go shopping tomorrow for some aluminum, tungsten, filler rod, some stuff for cleaning aluminum my son was talking about, 50' of #8 wire.
This guy has 20 radiators cheap enough shipping would be the killer, need to contact him see if I can pick up and where is is located exactly.
http://www.ebay.com/itm/20-x-lot-of-YAM ... cf&vxp=mtr