The 261 I bought from a Wisconsin wrecking yard came to me with C43 AC plugs, 848 head on a 261. Based on the yellow color I believe it had done its service in a 56 2-ton. Years ago I ran C42-1 in the fleet's 270 powered GMC dump truck and my pickup. Since I couldn't find those commercial plugs anymore I used Champion RJ10Y. Bought two sets when I found them. They stay clean and white despite ~10,000 miles on them.


1951 3800 1-ton
"Earning its keep from the get-go"
In the DITY Gallery
1962 261 (w/cam, Fenton headers, 2 carbs, MSD ign.), SM420 & Brown-Lipe 6231A 3spd aux. trans, stock axles & brakes. Owned since 1971.