blwfly

has anyone got there shaft polished at a machine shop?

have a spot of tiny rust.

as long as i stay in spec for oil clearence i should be fine?



heres my project.

http://www.rx7club.com/showthread.ph...23#post9128223



thanks



kiwi

Lynn E. Hanover

The shaft is harder than Chinese arithmetic.



Buy some silicon carbid sand paper at the paint store. Also called "Wet or Dry" paper, used in body work on cars before painting. Can be used with warm soapy water running on the area being sanded.



Starts at 220 grit (course) and goes up to 1600 grit (super fine). Cut a sheet of 400 grit the width of the journal. Lub up the journal with solvent in the cleaning tank. Or, kerosene, or diesel fuel, or warm soapy water. Wrap the paper around the journal and then wrap the paper with a few turns of 18 gage hook up wire. Do not overlap the wire on itself. While holding light tension on both ends of the wire, pull up on one end more than the other. Then reverse the above.



The first few times you try this you will feel retarded. The shaft will lift up. The wire will bind up on itself, the paper will lock up on the shaft. But once you get the hang of it, the work goes fast and the result is a shaft that looks like chrome. Keep adding lub to the shaft, to keep the paper moving.



Little pits at the rust site are of no concern.



If you have a lath big enough, you can just chuck up the shaft and hold the paper around the journal with your hand. Still makes a mess but the shaft will look real good, and nicer than any crank shop can do it. Cheap and easy, after some practice.



All this can do is shine things up and take off anything above the surface. If you stood there for a month

sanding away you would be lucky to take of .0005"



This works so well you will giggle like a school girl.



Lynn E. Hanover

blwfly

wow thanks good awnser.



the rust pits are on number 1 journel but are very very small so if i do what you said a couple times i should be fine.



much apreciated



kiwi