35chevtruck,
The engine looks correct to me. Get the serial number off of the machined pad next to the distributer on the passenger side and I'll confirm it for you.
A quick visual difference between the 1935 and 1936 207 engine is the 1935 has the cylinders exposed on the drivers side below the manifolds where the 1936 is flat with a few raised vertical ribs (they made the water jacket around the cylinders larger for 1936).
If your truck is a 1935 the hood will have 4-vertical louvers on the side where 1936 has 2-horizontal louvers.
Chassis serial number will be marked "QB" indicating it's a 1935.
Mike B
