Chrysler Flathead 6 Cylinder Engines 1935-1959 Part 2
Previously, we touched on a few variations in design, but there are plenty more. (Read it here)
Almost all flathead engines had aluminum pistons with a 4 ring design; the top two being compression and the bottom two oil control. From 1935 through 1940 both compression rings were 1/8 inch thick (.125”) and the oil control rings were 5/32 of an inch (.15625”). In 1941, the top compression ring was changed to 3/32 of an inch (.09375”). In 1942, both compression rings were changed to 3/32. This configuration was used through 1959 in the US. Foreign built cars had some exceptions to this. When you want to order rings alone for your prewar carRead More