Q.Did all 235s have dipstick tubes?
A.I would say no because some earlier car, COE and Double Duty engines came with just a short dipstick. According to MPC.
1929 - 1957 Chevrolet Master Parts & Accessories Catalog
1953-57 Six Cylinder Engine Assy. Cross Section Typical
Dipstick,Rod,Gauge;47-55, Commercial Utility, 15 3/32", Measured from under washer to bottom end. part #3701556
Tube;47-57, Commercial Utility, 8 7/64", part #3705397
Note: On jobs prior to 1955 cut to 6 3/4"
