I have two Chevy 235 heads, both of which have been rebuilt. One has a casting number of 3835913; the other number is 3836848. The info found so far shows that the 5913 is a 86.2cc head while the other is a 79.1cc. I am not familiar with the cc ratings on heads and need to know which would be better on the engine I plan to use. The engine has a casting number of 3769716 and an engine number (stamped into the smooth area behind the distributor mounting hole) of F0707B. I'm cheating a bit here since I have a 41 Chevy 2 door sedan rather than a truck, but this site is the best I've found for info on stovebolt engines.
