What's the difference between a Vortec 350 and a regular 350?

The regular 350 head uses a 90 degree bolt angle while the Vortec uses a 72 degree bolt angle. When the head is bolted to the engine, all the attachment bolts point straight up, as experienced mechanics know.

What is so special about a Vortec engine?

The redesigned cylinder heads of a Vortec engine provides for improved combustion efficiency. The intake ports (reshaped) of the engine provides for better cylinder filling and fuel atomization by promoting higher air flow velocities to the combustion chambers via the ports.

How much horsepower does a 350 Vortec have?

The 1996-2000 350ci Vortec 5700 engines enjoy lots of aftermarket support to help improve the 255 hp and 330 lb-ft of torque they're rated for at the crank. An engine swap can be quite costly, so putting even a quarter of those funds into your Vortec 350 engine could get you where you want to be.

How do I know if I have a 5.7 Vortec engine?

One easy way to identify the 5.7L Vortec engine is to examine the cylinder heads. The GM Industrial Vortec cylinder head was made by installing LT1 Corvette ports into an iron casting. The intake manifold bolts on with an 8-bolt pattern, unlike most other 5.7 GM heads that bolt on with a 12-bolt pattern.

What is the difference between a Vortec and LS engine?

While the performance car engines carried the LS designation, those designed for trucks and SUVs were given the Vortec name. The biggest difference between the Vortec engines and their car cousins was the use of iron blocks (mostly), and the fact that they were often smaller in displacement.

Difference between Vortec and throttlebody injection

How many horsepower does a 5.7 Vortec have?

5.7 Vortec Transmissions

It is rated at 255 horsepower at 4600 rpm and 330 foot-pounds (lb-ft) of torque at 2800 rpm.

What year 350 has Vortec heads?

The Debut. From 1996 to 2000, GM truck and van 350 engines came equipped with L-31 Vortec cylinder heads.

What year did the Vortec 350 come out?

The run on the Vortec 350 engine was relatively short: It hit the market in 1996 and was replaced with GM's new-generation engine line by 1999.

Are Vortec engines good?

The 5.3L V8 Vortec 5300 is considered an engine that is extremely reliable. In fact, many vehicle owners with the engine report having the engine run with minimal issues up to 220k miles. Additionally, the engine blocks are very durable also.

What does Vortec stand for?

Vortec is a trademarked name for a line of gasoline engines for General Motors trucks. The name first appeared in an advertisement for the 1985 model year 4.3 L V6 that used "vortex technology" to create a vortex inside the combustion chamber, creating a better air/fuel atomization.

Is a 5.7 Vortec an LS motor?

Although Vortec engines are "LS" based they are NOT LS engines IMO. Besides most Vortec's being iron block, as seen above there are some serious size differences and considerations depending on your project. VORTEC ENGINE IN CARS: For the most part, it will be challenging to put a Vortec truck engine into a car.

What year is the best Chevy 350 engine?

What was the last year for the 5.7 Vortec?

After 36 straight years of production, the 5.7 Chevy engine was technically discontinued in vehicles after the 2002 model year.

What is the difference between Vortec heads and regular heads?

The Vortec heads are a little bit lighter than the older heads and have a “kidney” or “heart” shaped combustion chamber that is more efficient than the double hump chamber.

What size engine is a 5.7 Vortec?

Displacement: 5.7L / 346 cu. in. The 5.7L LS1 introduced the third generation of General Motors' Small Block V8 engines.

How much power can Vortec heads make?

Jeff Smith: We wrote about Vortec heads in 2016, and that article spawned this question. The original answer was related to modifying the heads to accept more valve lift. Our original answer combined the Chevrolet Hot cam with a set of these Vortec heads. Our estimate then and now is around 350-375 horsepower.

Are Vortec heads aluminum?

THIS CYLINDER HEAD HAS THE FOLLOWING: NEW HI-FLOW Aluminum 64cc Cylinder Heads. 190CC intake ports. Vortec design combustion chamber.

Whats better 5.3 or 5.7 Vortec?

IMO-The 5.3 is definately a faster motor but the 5.7 seems to handle weight better. My 5.3 averages about 17mpg while and I got about 15mpg with my 5.7. It is hard to get a good comparison though. The 5.7 was a Z71 regular cab, short bed with an auto and 3.73s.

Is a 350 Vortec a 4 bolt main?

chevy 350 vortec engine 4 bolt main 96-00.