The cylinder head casting number is: 3835913
I can't find the block casting number, it isn't between the distributor and breather pipe hole and I don't see it anywhere else. The serial number stamped into the block next to the distributor is: 0392325F54Z
Wouldn't F54Z denote that is it as 1954 engine built at the Flint, MI plant?
Yes, the "F" confirms built in the Flint plant and the "Z" does mean Passenger Car.
Bottom line to verify what this engine was built for and original installed in is your given serial number (see the 1st pic below with a screenshot from the 1954 Chevy Passenger Car "Engine Serial Number" data) that decodes that number. The screenshot was taken from the
GM Heritage Archive.
FWIW, below are additional screenshot pics from 3 different Chevrolet Parts Catalogs (1962, 1970 and 1971) that identify your casting number and the vehicles they were originally installed in. All total I found 6 different GM Part Numbers apply to the same casting number block depending on which vehicle it was meant for.
I know, way down in the dirt and weeds to include this extra info.
But maybe it can be of use to you and others in 235 identification searches???
Dan
