stovebolt valve & side covers

1929-1962
Chevrolet L-6 (straight/in-line 6) Overhead Valve Engines
the Stovebolt Six - the Cast-Iron Wonder
valve covers, side cover, oil fillers

information was obtained from Shop Manuals

First Generation 1929-1936
Low-Pressure Oil (internal lubrication) System

Year

Truck
& Pass

- valve cover
- oil filler
- side cover

Truck

-valve cover
- oil filler
- side cover

Truck

- valve cover
- oil filler
- side cover

1929

194 c.i.

1930

194 c.i.

1931

194 c.i.

1932

194 c.i.

1933

194 c.i.

1934

194 c.i.

207 c.i.

1935

194 c.i.

181 c.i.

207 c.i.

1936

194 c.i.

181 c.i.

207 c.i.

Second Generation 1937-1953
Low-Pressure Oil (internal lubrication) System

Year

Truck
& Pass

- valve cover
- oil filler
- side cover

Truck

- valve cover
- oil filler
- side cover

Pass

- valve cover
- oil filler
- side cover

1937

216 c.i.

- 2 bolts in top
- flat cap on road draft tube
- block and head (over lifter/push-rods AND spark plugs)

1938

216 c.i.

same as 1937 216 c.i.

1939

216 c.i.

same as 1937 216 c.i.

1940

216 c.i.

same as 1937 216 c.i.

1941

216 c.i.

same as 1937 216 c.i.

235 c.i.

same as 1937 216 c.i.

1942

216 c.i.

same as 1937 216 c.i.

235 c.i.

same as 1937 216 c.i.

1943

216 c.i.

same as 1937 216 c.i.

235 c.i.

same as 1937 216 c.i.

1944

216 c.i.

same as 1937 216 c.i.

235 c.i.

same as 1937 216 c.i.

1945

216 c.i.

same as 1937 216 c.i.

235 c.i.

same as 1937 216 c.i.

1946

216 c.i.

same as 1937 216 c.i.

235 c.i.

same as 1937 216 c.i.

1947

216 c.i.

same as 1937 216 c.i.

235 c.i.

same as 1937 216 c.i.

1948

216 c.i.

same as 1937 216 c.i.

235 c.i.

same as 1937 216 c.i.

1949

216 c.i.

same as 1937 216 c.i.

235 c.i.

same as 1937 216 c.i.

1950

216 c.i.

same as 1937 216 c.i.

235 c.i.

- 2 bolts in top
- flat cap on road draft tube
- block (over lifter/push-rods)

235 c.i.

- 2 bolts in top
- flat cap on road draft tube
- block (over lifter/push-rods)

1951

216 c.i.

same as 1937 216 c.i.

235 c.i.

- 2 bolts in top
- flat cap on road draft tube
- block (over lifter/push-rods)

235 c.i.

- 2 bolts in top
- flat cap on road draft tube
- block (over lifter/push-rods)

1952

216 c.i.

same as 1937 216 c.i.

235 c.i.

- 2 bolts in top
- flat cap on road draft tube
- block (over lifter/push-rods)

235 c.i.

- 2 bolts in top
- flat cap on road draft tube
- block (over lifter/push-rods)

1953

216 c.i.

same as 1937 216 c.i.

235 c.i.

- 2 bolts in top
- flat cap on road draft tube
- block (over lifter/push-rods)

235 c.i.

- 2 bolts in top
- flat cap on road draft tube
- block (over lifter/push-rods)

note: All 1950-1962 235/261 engines used the same same short side cover (on the block, over the lifters and push rods, but not over the spark plugs).

Third Generation 1954-1962
High-Pressure Oil System (internal lubrication)

Year

Pass

- valve cover
- oil filler
- side cover

Truck

- valve cover
- oil filler
- side cover

Truck

- valve cover
- oil filler
- side cover

1954

235 c.i.

- ?????? 4 screws on edge;
vents/slits in cover
- flat filler cap in front of valve cover
-block (over lifter/push-rods)

235 c.i.

- 4 screws on edge
vents/slits in cover
- flat filler cap in front of valve cover
-block (over lifter/push-rods)

261 c.i.

- 4 screws on edge; PCV fitting
- flat filler cap in front of valve cover
- block (over lifter/push-rods)

1955

235 c.i.

- 4 screws on edge
- vented filler cap in front of valve cover
- block (over lifter/push-rods)

235 c.i.

- 4 screws on edge
- vented filler cap in front of valve cover
- block (over lifter/push-rods)

261 c.i.

- 4 screws on edge; PCV fitting
- flat filler cap in front of valve cover
- block (over lifter/push-rods)

1956

235 c.i.

- 4 screws on edge
- vented filler cap in front of valve cover
- block (over lifter/push-rods)

235 c.i.

- 4 screws on edge
- vented filler cap in front of valve cover
- block (over lifter/push-rods)

261 c.i.

- 4 screws on edge; PCV fitting
- flat filler cap
- block (over lifter/push-rods)

1957

235 c.i.

- 4 screws on edge
- vented filler cap in front of valve cover
- block (over lifter/push-rods)

235 c.i.

- 4 screws on edge
- vented filler cap in front of valve cover
- block (over lifter/push-rods)

261 c.i.

- 4 screws on edge; PCV fitting
- flat filler cap in front of valve cover
- block (over lifter/push-rods)

1958

235 c.i.

- 4 screws on edge
- vented filler cap in front of valve cover
- block (over lifter/push-rods)

235 c.i.

- 4 screws on edge
- vented filler cap in front of valve cover
- block (over lifter/push-rods)

261 c.i.

- 4 screws on edge; PCV fitting
- flat filler cap in front of valve cover
- block (over lifter/push-rods)

1959

235 c.i.

- 4 screws on edge
- vented filler cap in middle of valve cover
- block (over lifter/push-rods)

235 c.i.

- 4 screws on edge
- vented filler cap in front of valve cover
- block (over lifter/push-rods)

261 c.i.

- 4 screws on edge; PCV fitting
- flat filler cap in front of valve cover
- block (over lifter/push-rods)

1960

235 c.i.

- 4 screws on edge
- vented filler cap in middle of valve
- block (over lifter/push-rods)

235 c.i.

- 4 screws on edge
- vented filler cap in front of valve cover
- block (over lifter/push-rods)

261 c.i.

- 4 screws on edge; PCV fitting
- flat filler cap in front of valve cover
- block (over lifter/push-rods)

1961

- 4 screws on edge
- vented filler cap in middle of valve
- block (over lifter/push-rods)

235 c.i.

- 4 screws on edge
- vented filler cap in front of valve cover
- block (over lifter/push-rods)

261 c.i.

- 4 screws on edge; PCV fitting
- flat filler cap in front of valve cover
- block (over lifter/push-rods)

1962

- 4 screws on edge
- vented filler cap in middle of valve
- block (over lifter/push-rods)

235 c.i.

- 4 screws on edge
- vented filler cap in front of valve cover
- block (over lifter/push-rods)

261 c.i.

- 4 screws on edge; PCV fitting
- flat filler cap in front of valve cover
- block (over lifter/push-rods)