Quick Answer: How Do I Know What Year My 350 Chevy Motor Is?

Where is the serial number on a 350 Chevy engine?

Locate the ID number cast on the engine block on a machined pad towards the front of the engine.

The number is on the passenger side, near the cylinder head and is between seven to eight digits long..

What year is the best Chevy 350 engine?

L31 (2002) From a purely technical standpoint, the most recent version of the Chevy 350 would naturally be the best of the bunch. Marketed as the “Vortec 5700” engine, but known internally by the moniker of L31, this engine was used primarily in GM vans and trucks until 2002.

How can I tell which engine I have?

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. Just tell the store clerk those two characters and you’re in business.

What can a 305 be bored out to?

A 305 Chevy has a stock bore of 3.736 so even at . 060 over you only at 3.796 so NO.

Are 305 and 350 harmonic balancer the same?

Re: Are 305 and 350 Harmonic balancers the same? You can interchange them as long as the diameters are the same.

Where is the serial number on a big block Chevy?

Locate the vehicle identification number (VIN). On the majority of Chevy big block engines, the number is situated beside the casting number.

Will 350 heads work on a 305?

Virtually any 350 heads will work on a 305. The high compression 350 heads are similiar in combustion chamber size & intake valve size to the 305 heads & will give a 305 the same performance as if using 305 heads.

When did Chevy stop making the 350 engine?

2002The 350 would last until 2002, primarily as a truck engine; after 47 years in production it would serve out its last days as an option in GM’s full-size vans. The final variant, marketed as the Vortec 5700 but known internally as the L31, produced between 255 and 350 hp.

How do I know what engine is in my truck?

How to Tell What Model Engine Is in My Truck?Look at the vehicle identification number (VIN). … Write down the vehicle identification number carefully and vertically. … Begin to decode the vehicle identification number. … Locate the manufacturer decoder website. … Determine the engine type.

How do I know what 4.3 engine I have?

Locate the GM 4.3 engine serial number on the left (remember, engines are always viewed from the rear; if the engine were in a vehicle, the left side is the driver’s side) front bank under the cylinder head. Record the last two letters of the number.

Is a 4 bolt main better than a 2 bolt main?

A 4-bolt main refers to the number of bolts attaching the main bearing caps to the block of an internal combustion engine. Four bolt mains are considered much stronger for high performance use than a 2 bolt main. … The V6 Nissan VQ engine also uses 4-bolt mains.

How do you tell if a motor is a 4 bolt main?

A four bolt main block will have four bolts that secure the main bearing caps to the block. A two bolt main block will have only two.

How do you tell a 327 from a 350?

The compression height of the piston (1.67 for a 327; 1.56 for A 350), or the casting number on the crankshaft should tell you what it actually is.

A favorite for engine swaps, the 350 is very easily modded because of the abundance of aftermarket parts. And because so many Chevy 350s have been produced, they’re affordable and easily attainable for swaps of all kinds. You can find a Chevrolet 350 in just about anything—on land, sea, or air!

How do I identify a Chevy 350 engine?

How to Identify a Chevy 350 MotorLook 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.

How do you tell if I have a 305 or 350?

By far the easiest way would be to pull a head and measure the bore. A 350 will have a 4 inch bore ( as would a 327 or a 302) while a 305 will have a 3.736 in bore. The difference is very pronounced once you know what you are looking at .

How much HP can a 4 bolt main 350 handle?

1. 4-bolt blocks with OEM main bolts are good to 475 HP, and are good to 7200 RPM. 2.

How do you decode a Chevy engine number?

Decode the engine ID number suffix. The suffix identifies the engine displacement, horsepower, year and vehicle model. In the example ID number T0830CTY, CTY decodes as a 1970 396 c.i.d. Camaro with 375 horsepower. The suffix must be compared with a Chevrolet engine ID number listing.

What’s the difference between a 350 and a 350 Vortec?

Vortec heads instantly added 55 or more horsepower to a regular 350 head with the same displacement. Automotive enthusiasts are quick to note that the 350 and the 5.7 Vortec are essentially the same engine with the same displacement. The 350 designation is the cubic inch measurement that also translates to 5.7 liters.