My "special tool" for cleaning out ring grooves was one of the rings off the pistons, broken in about a quarter of the diameter and the end used to scrape the carbon out. Cheaper than "dirt cheap", and works pretty well.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
