On 6/10/96, scotty@csn.net (Scott Paisley) wrote:
>In a pinch, couldn't you take a new ring, measure the gap at the top
>of the bore, then push the ring down to the bottom, and measure the
>gap there. If you get different gap readings, then you have a taper.
>Seriously, would this be an accurate way to measure taper?
>-Scotty
Yes, it is if the cyl is round (usually it is close enough to get a
reasonable reading) Use a piston to push ring down to make sure it is even.
Amount of taper should be Pi times greater than increase in ring gap, and I
usually measured it (by whatever method) at the top, bottom, and 1/2 & 3/4
ways up. one advantage of using a ring is you can find the location of the
greatest wear easily. (Usually at the top & second ring locations w/ the
piston near TDC)
Scott M Ryan
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