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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#62069 06/24/2006 2:27 PM | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | All 216s have two valve cover bolts in the top of the valve cover.
Early 235s (1941-1953, except 1953 Powerglide 235) have two valve cover bolts in the top of the valve cover. [Maybe even the 1954 Powerglide 235 had 2 valve cover bolts?]
Later 235s (1954-1962 and 1953 Passenger Powerglide) and all 261s (1954-1962) have four stovebolt machine screws on the sides of the valve covers.
It is possible to find a later 235 (and any 261) with the old style (2 bolts in top) valve cover. An easy "reversion" done for looks or to use older style valve covers.
The push-rod side cover that extends up over the spark plugs was on the 216s and many (but not all) of the pre-54 235s (I am not sure about the exact year but I think up to 1950 on the 235s).
The best way to ID an engine is by the ID (in the ledge to the rear of the distributor) and/or block AND head costing numbers. I think the block casting number/code in at the upper right of the starter. I do not know the location of the head casting number. | | |
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