Quick Answer: How Much HP Gain With Vortec Heads?

How much horsepower do heads add?

Depending on your cam, you can gain anywhere from 40-70hp.

Cam and heads can gain you 100+hp..

What is the best Chevy engine to build?

Best Chevy Engine Builds427 Small-Block Build. … 383 Small-Block Build. … 350 Small-Block Build. … 396 LT1 Small-Block Build. … 355 LT1 Small-Block Build. … 388 LS7 Build. … 440 LSX Build. … 416 LS3 Build. Of course, you can also have excellent results with more stock based components such as this 416ci LS3 combo.More items…•

What is the difference between TBI heads and Vortec heads?

The TBI heads fall flat on there face by 4000 RPM, but they do provide outstanding low end pulling power. going with Vortec heads will require a Vortec intake which costs more coin.

How much boost can a stock Vortec 350 handle?

It can deliver 14 psi ( or maybe more ) at 2000RPM.

How much horsepower do Vortec heads add?

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. Your question relates to porting the Vortec heads to improve the flow, which is a great idea.

Do aluminum heads make more power?

Aluminum heads will dissipate heat faster. This allows for higher Compression Ratios with less risk of Detonation. The cooler head also delivers a cooler air/fuel mixture to the combustion chamber. Cooler air is denser and can make more power.

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.

Is a 400 small block better than a 350?

A small block 350 and a 400 have an identical block design. Most accessories will fit either engine. The major difference is found in the casting numbers and the way they are balanced. Most 350 cubic inch engines are internally balanced whereas the 400 engines are not.

How much horsepower can a Vortec 350 make?

240 HPOriginally Answered: How much horsepower does a 350 Vortec engine have? Somewhere around the 240 HP region ( In stock as in installed trim ) .

How much horsepower will camshaft add?

Other cams can add as much as 50 HP or more, but the more power you get from a cam, the higher up the powerband the power usually starts. If you have a 224/224 cam (instead of my 205/212), you may have to wait until 2500 or 3000 RPM to get power, but it will be more.

What makes 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.

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.

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.

How much horsepower will Edelbrock heads add?

After installation of the Edelbrock Performer RPM Hemi heads, the peak numbers jumped to an impressive 508 hp and 469 lb-ft of torque. The Edelbrock heads were worth 49 hp and 28 lb-ft of torque, with gains increasing past the power peak.

Can I put Vortec heads on a 350?

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