235s were installed in large trucks in 1953.
The truck 216 & 235 were (low pressure) babbitted rod engines in 1953.
What is your engine serial number? It is pressed into the block to the rear of the distributor.
There were two types of 235s installed in in cars in 1953. A low-pressure and a high-pressure version.
A 235 was not an option in 3100 series trucks in 1953.