Question: How Much HP Can Vortec Heads Make?

Will Vortec heads work on older 350?

Yes the 1996-02 L31 350 vortec heads will bolt to ANY gen 1 350 engine..

Do aluminum heads make more power?

Aluminum heads dissipate (get rid of) heat much faster than iron heads. … Aluminum heads will not automatically create more power than iron heads unless they flow more air and are installed on a higher compression ratio engine.

Does adding a cam increase horsepower?

Performance cams increase the duration and timing of the valve openings during the engine stroke, increasing horsepower and making your car accelerate more quickly. You’ll idle slightly rougher with a performance cam, but get a throaty rumble that’s desirable for some gearheads, depending on your vehicle.

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 much HP does a 406 small block have?

Henderson Power Sports tops 600 hp with a 406-cube pump-gas hydraulic-roller Chevy 400 small-blockBY THE NUMBERS406 Chevrolet Small-BlockCompression ratio:10.5:1Camshaft:custom COMP hydraulic rollerValve lift:.725/.734 inch19 more rows•Dec 16, 2013

Are Vortec heads worth it?

vortec heads are one of the cheapest hp gain and they’ll give you better gas mileage. For the center bolt valve covers the ones for the vortec heads are taller then the center bolt valve covers you find on non-vortec heads. The non-vortec head center bolt valve cover with not fit on a vortec head.

How much HP does Heads add?

A set of heads for your car will probably set you back $700. Your engine probably won’t breath much better because of your cam, the smaller combustion chamber might bump your compression up a couple of points. You might get 20 hp or so.

Is Vortec a good engine?

5.3L V8 Vortec 5300 Reliability The Vortec 5.3 is widely regarded as extremely reliable, with most engines having a lifespan within the 200k-300k mileage range.

Will 327 heads fit on a 350?

They are perfect for a 350. Both the 327 and the 350 have a 4″ bore so they like the same heads. Old heads like that will have softer valve seats, so if you want them to last a long time, you should either replace the seats or run leaded gas in the engine.

Can you put 400 heads on a 350?

The only difference is that 400 heads have steam holes drilled in them for the 400 block. You can put 400 heads on a 350 but you should not put 350 heads on a 400 without drilling the steam holes.

Are Vortec heads 23 degree?

Similar in outward appearance to familiar 23-degree heads, the new Vortec Bow-Tie promises to deliver the performance equivalent of a comparable aluminum cylinder head.

How much HP does a 383 stroker make?

That combo would probably make around 465 hp and nearly 500 lb-ft, but at less rpm. But never mind that. The point here is 502 lb-ft at 4,700 rpm and 500-plus horsepower from 5,700-6,200 rpm….Hot Rod’s Proven Recipe For A Simple Chevy 383 That Knocks Down 500 HP And 500 LB-FT.True 383 PowerRPMLB-FTHP6,20042550222 more rows•Oct 13, 2009

How much HP can you get out of a 5.7 Vortec?

The HT383 that was available from GM uses Vortec L31 heads, the GMPP 383 shortblock and the Ramjet 350 roller cam with specs of 196°/206° duration at 0.050″ lift and 0.431″/0.451″ of lift on a 109° LSA produces 340 hp@4500 and 435 lb/ft of torque at 4000rpm.

How much horsepower would a stock 400 SBC with Vortec heads?

376 hpWith the stock Vortec heads, the low-compression 400 managed to make 376 hp and almost 450 lb-ft of torque.

Are 5.7 Vortec a good engine?

The best-known and most-beloved has to be the “350” or 5.7-liter version; especially with Chevrolet and GMC trucks. They are powerful, tough, reliable and it is relatively easy to “soup up” or increase their performance.

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.

Whats the difference between an LS and a Vortec?

The Vortec truck harness has a large portion up on top of the intake manifold, is supported by it, and is covered or hidden by the plastic engine cover. The LS engine harness is configured much differently and the intake manifold is exposed and uses valve covers to dress up the engine.

Why are Vortec heads so good?

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.

How many hours will a 5.3 Vortec last?

I would say it’s probably comparable to a truck with around 3500-4000 hours on it. In comparison, I had several issued blue ovals that made it to well over 11,000 hours (because they were idled 7 hours a day, 5 days a week, for over 10 years) and only ever acquired 85k miles.

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

The Vortec combustion chamber is a kidney-shaped design that promotes better combustion and will have the spark plug located near the center of the chamber. The regular 350 head utilizes a 90 degree intake bolt angle while the Vortec makes do with a 72 degree bolt angle.

Are Vortec heads angle plug?

Fred Mertz said: My vortec heads have angled plugs. I have no problems with the wires.