Built August 5 1955 H= August 5 = 5th day 5 = 1955
Engine serial number (first pic) also indicates 1955. Built in Flint plant. Y = what it was installed in (car or truck) don’t have that info in front of me at the moment.
Very likely a 235.
Welcome to Stovebolt. 😁
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
Anthony - I'll 2nd Kevin's "Welcome to Stovebolt" message! A little more info to back up Kevin's report. Block casting# 3836233 is listed for 1955-57 Chevrolet 235's. The block casting date info and "55" in the serial number confirms it's a 1955 engine. The head casting# 3835913 is listed as used on 1954-57 235's (has the small temp sensor hole).
The "Y" at the end of the serial# confirms it was originally an "automatic transmission" (Powerglide) passenger car engine from data in the GM Heritage files (extract pic provided below). These were originally outfitted with hydraulic cam & lifters.
~ Dan 1951 Chevy 3 window 3100 Follow this story in the DITY Gallery "My Grandpa Carl's Truck and How it Became Mine" 1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver) US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)
A little more info to back up Kevin's report. Block casting# 3836233 is listed for 1955-57 Chevrolet 235's. The block casting date info and "55" in the serial number confirms it's a 1955 engine. The head casting# 3835913 is listed as used on 1954-57 235's (has the small temp sensor hole).