What is the difference between 5.7 vortec heads and regular 350 heads?

5.7 Vortec Heads and Regular 350 Heads. The intake port of the Vortec head is different and measures 160cc with a modified port that increases the flow velocity.

When did the GM Vortec cylinder heads come out?

The Vortec line of cylinder heads was introduced by GM in 1988 as a V6 with a 4.3-liter displacement.

What kind of engine is a 350 Vortec?

The block and the heads are LS but the rest of the engines was made to fit a truck not a car. 16 people found this helpful.

Why do you need a Vortec engine head?

The Vortec head is without a doubt engineered towards producing more power, torque and engine response while improving overall fuel economy. If you plan to change or modify the head of the 350 engine in your car, installing a Vortec head alone will yield positive effects in your quest for power and speed.

What kind of engine did Chevy have in 1997?

Chevy placed a vortex or mini tornado within the combustion chamber to efficiently blend gas and air together. Vortec engines are the base engine used in all Chevy cars and trucks and come in a variety of horsepower and torque ratings. During 1997 Chevy still had a big block engine, the 454 cubic inch.

Is the 350 head the same as the 5.7 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.

The Vortec line of cylinder heads was introduced by GM in 1988 as a V6 with a 4.3-liter displacement.

What kind of engine was in a 1997 Chevy Tahoe?

The 5700 engine appeared in the 1997 Chevrolet Express, Chevrolet Suburban, Chevrolet Tahoe, Chevrolet/GMC full-size trucks and the Cadillac Escalade. This engine was replaced in 2002 by the 5.3 5300. The premier Vortex engine during 1997 was the 4300 or 4.3 L V-6 90-degree engine that replaced the Chevrolet 250 in all light truck applications.

What kind of head does a Chevrolet cylinder head have?

They come fully assembled, and feature 1.94- and 1.55-inch valves, a 64 cc chamber, and a high-velocity port. The Vortex head outflows stock non-Vortec heads, and according to Chevrolet, deliver a 20 to 40 horsepower increase over earlier cast-iron heads.

How many cylinders are in a Chevy 5.7L?

Cylinder Head, 180cc, Flat Tappet, Straight, Aluminum, Assembled, Chevrolet, Small Block Gen I, Each Cylinder Head, Freedom, Aluminum, Assembled, 64 cc Chamber, 185 cc Intake Runner, Straight Plug, Chevy, Pair Cylinder Heads, Street Porting, Aluminum, Assembled, 65cc Chamber, 195cc Intake, Chevy, Small Block, Pair

5.7 Vortec Heads and Regular 350 Heads. The intake port of the Vortec head is different and measures 160cc with a modified port that increases the flow velocity.

What kind of cylinder head does a Chevy 350ci use?

Casting numbers 3782461 and 3782461X used 1.94 and 1.50-inch valves. These were commonly called “Fuelie” heads. 10065202: 1987 through 1995 350ci truck engines. 10065203: 1987 through 1995 350ci truck engines.

What kind of head does a small block Chevy use?

All LT1 engines use center-bolt valve covers. Standard Gen-I small-block Chevy heads position the valves at a 23-degree angle to the deck. In 1989, Chevy introduced the 18-degree Bow Tie aluminum head that shifted the valve-angle vertically, while simultaneously raising the intake port to take advantage of this angle.

Can you use vortec heads on a 350?

With a 8 bolt vortec intake, sure you can. Yes the 1996-02 L31 350 vortec heads will bolt to ANY gen 1 350 engine. I just did this conversion last winter. Block was a 1969 350 4 bolt main. May as well do the cam also. You’re more than half way there when you do the top end swap. The vortec’s with the XE268H cam really woke up the engine.

What kind of cylinder head does a Chevy small block have?

Cylinder Head, Freedom, Aluminum, Assembled, 64 cc Chamber, 185 cc Intake Runner, Straight Plug, Chevy, Pair Cylinder Heads, Street Porting, Aluminum, Assembled, 65cc Chamber, 195cc Intake, Chevy, Small Block, Pair Cylinder Head, Vortec, Cast Iron, Assembled, 64cc Chamber, 170cc Intake Runner, Chevy, Small Block, Each

What’s the power of a post 86 350 Block?

It’s at 30psi at idle when running 185*. ALL the old heads bolt on. If you’re not making power, don’t blame it on the short block – power is made in cam and heads, not the lower end which is what the OP asked about.

Can a Vortec intake bolt to a 350 Block?

Click to expand… With a 8 bolt vortec intake, sure you can. Yes the 1996-02 L31 350 vortec heads will bolt to ANY gen 1 350 engine. I just did this conversion last winter.

What is the difference between 5.7 vortec heads and regular 350 heads?