Look for a second casting number on the rear of the block. This number isn’t on every block, but if it is, it will represent the displacement of the engine. A 5.7L code, for instance, means it is a 350-cubic-inch engine.
How do I know if my engine is a 350 or 400?
Check the bore on the engine if the heads are off. The Chevy 350 cubic inch engine has a 4-inch bore whereas a 400 cubic inch engine has a 4.125-inch bore. The 350 has a 3.48-inch stroke, and the 400 has a 3.75-inch stroke. The 350 rods are 5.7 inches whereas the 400 has 5.565 inch rods.
How do you tell if my motor is 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 I tell what year my Chevy 350 is?
the engine id/suffix number and part of vin is stamped on the front left hand side of the block right where the head meets the block there is a flat spot were it has beem milled and stamped. the cast code can tell you the appox year and engine size and somtimes where it was made.
How do I know what 5.3 engine I have?
The 4.8/5.3L motors are easy to identify by their large 4.8/5.3 casting mark on the front of the block, but there is no simple, external way to differentiate the 4.8 from the 5.3. The best way is to yank a head and measure the stroke.
Is the Chevy 400 a good motor?
Evening all… the 400 is a great motor especially for street use. It has the power where you really need it. As far as overheating goes, make sure you have a good cooling system and you should be fine.
How can I get more horsepower out of my 350?
How to Get More Horsepower Out of My Chevy 350 Small Block
- Modify your air intake. …
- Modify your exhaust. …
- Change your camshafts and valve train. …
- Purchase new cylinder heads, or have yours ported and polished. …
- Have your motor rebuilt and blueprinted.
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.
What is a 305 stroker?
The stroker 305 is popular because the 305 small-block is probably the most easily accessible small block Chevy engine on the planet. As you mentioned, you bought this motor for almost nothing-that’s the lure. The 305 uses a tiny 3.736-inch bore and the same 3.48-inch stroke as the 350ci motor.
Are 305 and 350 harmonic balancer the same?
here’s why first off the 305 balancer is probably a smaller diameter than the one you should be using on the 350. 2nd The 305 balancer could be worn if old or you may actually damage it when you remove/removed it.
How do you read a engine serial number?
Your serial number is located on your engine plate, often located on the left-hand side of the engine. Typically the first letters and numbers will identify the engine, for example, DJ51279, to find all the parts we have online for your engine.
How do I find the manufacture date of my engine?
Locate the engraved serial number on the side of the crank case. The Date of Manufacture (DOM) indicator may be found within the engine’s serial number. Locate the first four digits (all numbers) of the serial number.