Price: $4,200.00 This is a performance Chevy 5.7 Vortec 350 engine with name brand parts, designed to be a plug-in-and-play to work with factory ECU, injectors, and fuel pressure with no modifications!
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 HP does a stock Vortec 350 have?
Originally Answered: How much horsepower does a 350 Vortec engine have? Somewhere around the 240 HP region ( In stock as in installed trim ) . on a Dyno with no accessories on it they dyno at about the 300HP region. But the heads can flow well enough for 400HP.
Is the 5.7 Vortec a good engine to build?
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.Jul 8, 2010
What does Vortec mean in Chevy engines?
vortex technology
How much horsepower does a stock 5.7 Vortec have?
The 5.7 short block engine is the perfect enginefor excellent performance with a 260 horsepower rating. The intake valve, exhaust valve, and other components are made with cast iron.
How good is a Vortec engine?
Overall, the 6.0 vortec is an extremely dependable and reliable motor. These engines frequently last beyond 300,000 miles with minimal issues beyond regular maintenance. However, making it to 300,000 miles will likely require some non-engine repairs and maintenance, such as suspension components.
What's the difference between an LS and a Vortec motor?
Although Vortec engines are "LS" based they are NOT LS engines IMO. You can gain an inch or two by removing the plastic engine cover and cutting some of the plastic tabs on top of the Vortec intake manifold. This may be all you need for clearance and a Vortec will fit in your car.
Is the 5.3 Vortec better than the 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 the Vortec V8 a good engine?
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.
How much HP does a stock 5.7 Vortec have?
Performance Specifications The Vortec generated 255 horsepower at 4,600 rpm and 330 foot-pounds of torque at 2,800 rpm, or the force required to move a vehicle forward.
What makes a Vortec engine different?
The Vortec line of cylinder heads was introduced by GM in 1988 as a V6 with a 4.3-liter displacement. This technology created a vortex or pressurized swirl of fuel and air mixture inside the combustion chamber that enables the engine to produce more power while still gaining a marginal amount of fuel efficiency.
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.
How reliable is the 5.7 Vortec?
Extremely reliable. They are one of the most simple, well designed, and long lasting engines ever produced. People routinely get 300k miles on them. GMC and Chevy Suburban SUV's with these engines will often outlast the frame and transmission.
Why are Vortec heads better?
The L31 Vortec heads have larger ports than the older Gen I cast steel heads, so they outflow the older 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.
Are 5.7 Vortec a good engine?
Pros. The 5.7 short block engine is the perfect enginefor excellent performance with a 260 horsepower rating. The intake valve, exhaust valve, and other components are made with cast iron. A 350 cubic inch for optimal performance.
How much HP gain with Vortec heads?
Most of these small block Chevy heads offer a power increase of around 40 hp, and even the iron Vortec heads were worth 20 hp over stock. The two best small block Chevy heads in terms of peak horsepower were worth more than 60 hp.
How much horsepower do Vortec heads add to a 350?
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.Apr 6, 2018
What is the difference between a Vortec engine and a regular engine?
The main difference between a Vortec engine and its predecessors were the cylinder heads, which were redesigned to improve combustion efficiency. Reshaped intake ports improved both fuel atomization and cylinder filling by promoting higher air flow velocities through the ports to the combustion chambers.