How do I identify a Chevy 235?

On the right hand side of the engine block, behind distributor, are a few casting numbers. Typically near the rear something like ‘CON3’, then in front of that will be something like ‘J255’, Where the J represents 10th month, then 2nd day, and 55 for 1955. Check yours and see if this holds true.

How do you tell a 235 from a 216?

216 side cover tin goes right up to the valve cover, 235 it ends at the top of the block. 235 splash oiler has a triangular tin plate just above the pan rail behind the exhaust pipe, the pressure lubed engines don’t have it.

How do you tell a 235 from a 261?

The 261 externally looks just like a 235. It has a bigger bore, but is siamesed like a 400 small block, even has steam holes between the cylinder pairs. The rods are also different, little beefier but still uses a cap bolt and clamp arrangement for pin retention.

How do you decode a Chevy engine number?

How to Decode the GM Engine Block

1. Locate the engine block code.
2. Wipe any grease or dirt off the code to make sure you read each digit correctly.
3. Look at the first digit, which will be a capital letter.
4. Read the next four digits in the code, which will be all numbers.

How do I identify a GM V6 engine?

Chevrolet V6 identification is easy, both visually and by using engine ID numbers.

1. Confirm that the Vehicle is a Chevrolet.
2. Identify the engine as a 6-cylinder.
3. Locate the ID number on the engine block.
4. Decode the engine ID number.
5. Contact a Chevrolet parts department with the full engine ID number.

How do I identify a 292?

You should be able to identify the big vs. small block by how big the pushrod covers are on the side. If they are smaller than 5″ then its a 250 or smaller and if its bigger then its a 292. If it has an intregal head intake and exhaust then its an 80’s model.

What year did the Chevy 235 come out?

The Chevy 235, inline six-cylinder engine was originally introduced in 1941 for large trucks and is known as one of the truly great Chevy engines due to its power and durability. By 1950, the 235 was reduced to full-sized automobiles and smaller pickup trucks.

How do I identify a 261 Chevy engine?

Casting numbers, not stamped numbers, on the 261 head are very visible beside the rocker arm cover. A different set of numbers relate to the 261 block. These seven digits are located on the right side between the fuel pump and starter except for 1954 where it is located forward of the fuel pump.

How do you read an engine number?

Find it in the lower corner of your windshield on the driver’s side. Your VIN number is your vehicle identification number and you can find your engine size by VIN number. In the series of numbers and letters, the tenth from the left denotes the model year and the eighth is the engine codes.

Is the GM 4.3 V6 a good engine?

Chevy Vortec 4300 (4.3L V6) Engine Reliability Overall, the 4.3 vortec is a very strong and reliable motor, proven by it being the longest lasting production vortec engine. Generally, these engines are extremely capable of lasting up to 300,000 miles.

What is the cylinder head number for a 235 engine?

The block casting number reference that I use do not have that number. However, 3836848 is the cylinder head number for most 1956 and later 235 engines. Look at this serial number reference for the FO408J decoding.

What is the engine code on a 235 Chevy?

On the first engine (which is a demo engine in a high school auto shop) the code found is: CON4 J240. If I use the method you listed – J equals the month, 2 is the day and 40 is the year which doesn’t seem possible for a 235.

Where are the casting numbers on a GM style 235?

The Head Casting number is located outside of the Valve Cover in plain site on the Drivers Side. If you have ever heard that the new style 235 gets better compression numbers with an “848”. Head, look for the last three numbers of that Casting Number.

Where is the engine serial number on a Chevy?

Engine Serial Number is Located on the right side of the engine on a boss just to the rear of the ignition distributor for 216 and 235 c.i. inline 6 cylinder engines. Anything with “????” means I do not have a reference.