Originally Posted by
wrmiles
Not only were there 224 plugs, i knew a ,mechanic who used to work on C-124's in the USAF and he said they used to change cylinders almost as often as plugs.
There is a reason why few air-cooled radials had more than two rows of pistons. Cooling to the last row on the R-4360 was always problematic - there was simply too much blockage, and the air was already well-heated before it got to the fourth row.