How do I identify GM engine block?
Locate the engine block code. This series of seven to eight digits begins with a letter and is stamped directly on the engine. Look behind the distributor on the passenger side of the block if it is a six- cylinder GM motor. On a small block GM V8, it is stamped in front of the cylinder head on the passenger side.
How do you identify an engine block?
The simplest way to identify an engine block is to go by the casting number. These alphanumeric codes generally identify a particular block’s series number, displacement range, casting location and date of manufacture. Location varies by manufacturer and engine type.
What year is my Chevy engine block?
If a manual is unavailable, locate the block casting number beside the block date number. Match your block’s casting number to an online list of Chevy block casting numbers, which will indicate the years during which your engine was manufactured.
How do I know if I have a 350 or 305?
Matching the suffix portion of the engine ID number properly identifies the engine as a 305 or 350 cubic-inch. If a bore measurement is to be taken, Popular Hot Rodding identifies the 305s small bore at 3.736 inches. Both the 305 and 350 have the same 3.48-inch stroke.
How do you tell a 327 from a 350?
Measure the stroke. If the stroke is 3.25 its a 307 or 327. If its 3.48 its a 350.
Where is the serial number on an engine block?
The engine serial number is on a metal plate attached to the block, typically found on the left-hand side of the engine. The position of the engine plate varies across different engine series.
How can I tell if my Chevy 350 is a block?
How to Identify a Chevy 350 Motor
- Look at the rear of the engine block for casting numbers, by where the transmission mounts to the engine.
- Write down that number, and go to MorTec.com.
- Look for a second casting number on the rear of the block.
- Look at the front of the block, just forward of the valve covers.
Will 305 heads work on a 350?
The best general street improvement going to 305 heads on a 350, is with the 416 castings. If you have open chamber (70+cc) smog heads on the 350, the 416’s will wake it right up. The 1.84/1.50 valves are plenty big enough for general street work.
Is a Chevy 305 a good motor?
Is the 305 Chevy engine a good option? The 305 Chevy engine has a lot of potential as a good engine, with a lot of options and customizations that can help to increase overall power. Though it may not compete as well with larger-displacement engines, it can still deliver plenty of power, despite its smaller bore size.
What is the best small block chevy engine?
First produced in 1967, the Chevy 350 is the best known small block in GM’s engine inventory. It is remarkably versatile and has powered everything from the Chevy Camaro to the Cadillac. It came in numerous horsepower and torque configurations, and is also considered one of the easiest engines to rebuild with aftermarket parts.
Where is the serial number on a small block Chevy?
Look for the identification number on the engine block. The identification numbers on a Chevy engine with a small block V-8 are adjacent to the cylinder heads on the passenger’s side, close to the front of the engine block.
Where is the engine number on a Chevy small block?
Look for the identification number on the engine block. The identification numbers on a Chevy engine with a small block V-8 are adjacent to the cylinder heads on the passenger’s side, close to the front of the engine block . Look closely because the alternator blocks the identification number.
What is a Chevy 400 small block?
The 400 CID Chevy small block engine was produced from 1970 until 1980 and was the largest displacement engine made in that platform. It was intended as a low performance, high-torque engine primarily used in Chevy’s heavier passenger cars and light-duty trucks.