The king of the Vortec small block engines during 1997 was the 5.7 L 5700 L31 engine, which was produced from 1996 to 2002. The V-8 engine had an overhead valve configuration, with two valves per cylinder. The truck engine was rated at 255 horsepower and 330 foot-pounds of torque.
Full Answer
What kind of engine does a 1997 Chevy Silverado have?
1997 chevy silverado 5.7 vortec engine??? Lebanon. WI I haven’t owned a truck with a gasoline engine in a long, long time. My daughter found a 1997 chev with the 5.7 Vortec engine and wants to get it for her first vehicle. I vaguely remember some grumbling about that engine and couldn’t remember what year (s) that was from.
What are the specs of a 1997 Chevy Vortec engine?
1997 Vortec Engine Specifications. 1 Big Block Engine. During 1997 Chevy still had a big block engine, the 454 cubic inch. The Chevy 7400 7.4 L L29 was based on the 454 cubic inch V-8 ... 2 Vortec Small Block. 3 V-6 Vortec.
What kind of engine does a 1997 Chevy Express have?
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.
What is the horsepower of a 2005 Chevy Silverado?
The 5.7 rates at 255 hp and 335 ft./lb. of torque. The 5.3's ratings are 270 hp and 315 ft./lb. of torque with later versions increasing horsepower and torque slightly.
How much HP does a 1997 5.7 Vortec have?
5.7 Vortec Engine SpecsEngine variationsProduction YearsHorsepowerChevy 5.7L Vortec1996 to 2002225 HP @ 4600 RPMJan 7, 2022
Is the 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.
Is the Chevy 5.7 Vortec a good engine?
The '96-'00 Vortec 5.7L engines do not have as much aftermarket performance support because they were a relatively short production run with the MPFI system but they are good solid engines.
What engine does a 97 Chevy Silverado have?
Used 1997 Chevrolet C/K 1500 Series Silverado Specs & FeaturesEngineBase engine size5.0 LCylindersV8Base engine typeGasHorsepower230 hp @ 4,600 rpm1 more row
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.
How much horsepower does a 5.7 350 have?
It's a 5.7L (350 cubic inch) small-block, V8 engine with a 4.00-inch bore and a 3.48-inch stroke. Depending on the year, make, and model of the car that it is equipped in, this engine is capable of outputting between 145 to 370 horsepower.
Why did Chevy stop putting 5.7 in trucks?
It's no cheaper to manufacture the 4.8 cranshaft and pistons than the 5.3 versions. In fact, it would have cost less to cast only one size of piston and one crankshaft. That's also the same reason why there's no 5.7, they guzzle more fuel.
Is the Chevy 5.7 a big block?
The big block, which debuted in 1958 at 348 cu in (5.7 L), was built in standard displacements up to 494 cu in (8.1 L), with aftermarket crate engines sold by Chevrolet exceeding 500 cu in (8.2 L)....Chevrolet big-block engineProduction1955–presentLayoutConfigurationNaturally aspirated 90° V-819 more rows
How long does the 5.7 Chevy motor last?
IF you are in the market for a used high mileage 5.7 Hemi or you own a high mileage 5.7 Hemi and would like to know what to expect then this article could help you. 5.7 Hemi engines are good for 250-300 000 miles and more if properly cared for and regular maintenance is carried out.
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.
How many miles per gallon does a 1997 Chevy Silverado get?
1997 Chevrolet Silverado MPG Based on data from 16 vehicles, 693 fuel-ups and 178,443 miles of driving, the 1997 Chevrolet Silverado gets a combined Avg MPG of 14.56 with a 0.24 MPG margin of error.
How much is a 1997 K1500 worth?
1997 Chevrolet C/K 1500 Series Value - $607-$4,427 | Edmunds.
What is the best selling car in 1995?
For Chevrolet, their C/K pickups are the best-selling vehicle that GM makes. In '95, this line alone outsold the entire Nissan car division in the U. S. It even outsold dodge car, Chrysler-Plymouth and Mazda...even the combined total of Lexus, BMW, Mercedes-Benz, Infiniti and Acura. Now that's pretty impressive.
Does Chevy have single key ignition?
And while it may seem insignificant, Chevy now has single key entry and ignition--a feature long coming.
What engine did the 1997 Chevy 7400 have?
During 1997 Chevy still had a big block engine, the 454 cubic inch. The Chevy 7400 7.4 L L29 was based on the 454 cubic inch V-8 engine. The engine was designed for power and was a monster gas eater that got 15 mpg at best. The 454 cubic inch engine was derived from the Chevy big block 454 cubic engine of 1974. It was rated at 290 horsepower at 4,000 rpm, with 410 foot-pounds of torque at 3,200 rpm. The engine had a bore and stroke of 4.24 inches by 3.99 inches. The 7400 has an overhead valve configuration with two valves per cylinder. The 7400 engine was featured in the Chevy line of trucks, such as the 2500.
What engine was used on the Chevy Astro?
The LB4 was the first Vortec engine to employ multi-port fuel injection, and this engine was rated at 200 horsepower. Chevy used this engine on the Chevy Astro, GMC Safari, Chevy S-10, Oldsmobile Bravada and the Chevy C/K.
How much horsepower does a 1974 Chevy 454 have?
The 454 cubic inch engine was derived from the Chevy big block 454 cubic engine of 1974. It was rated at 290 horsepower at 4,000 rpm, with 410 foot-pounds of torque at 3,200 rpm. The engine had a bore and stroke of 4.24 inches by 3.99 inches.
What is a vortec engine?
Vortec engines are the base engine used in all Chevy cars and trucks and come in a variety of horsepower and torque ratings.
How much horsepower does a 5.3 liter engine have?
GM rates this engine between 285 to 295 horsepower. Torque is rated at 325 to 335 ft./lb. There are several versions of the 5.3, depending on the year of your truck.
How many mpg does a 5.3 liter engine get?
Owners of the 5.3 liter engine report back about 15 miles per gallon driving in the city with a 3 to 4 mpg increase during highway driving. 5.7 liter engine owners report 13 to 14 mpg city and 16 to 17 mpg highway. Your results may vary slightly depending on your model (four wheel drive and extended cab models will have slightly lower miles per gallon).
How much does a 5.7 liter header cost?
For example, a set of performance headers for the 5.7 average about $250, while a set for the 5.3 average about $300 to $350.
Which is better to tow 5.3 or 5.7?
The general consensus is that the 5.3 liter will be your better option for towing. Some owners agree that the 5.7 liter provides more initial torque, but the 5.3 liter overcomes this advantage shortly after 3,000 rpms. Thanks to the 5.3 liter's technological improvements, shift points and ignition timing can be altered by the PCM (powertrain control module) to maximize towing performance.
What causes a cylinder head to crack?
If your engine is suffering from a loss in coolant and/or a white foam found on the bottom side of the oil filler cap, you truck may have this issue.
How many miles does an intake manifold leak?
This seems to occur between 80,000 and 100,000 miles.
When did GM introduce Vortec?
In 1996 , GM began implementing the vortec features on there engines. This included redesigned heads for improved combustion and an intake that has better air flow. It also brought about sequential fuel injection that allowed more precise control over the air/fuel ratio.