Quick Answer: How Much HP Can A Vortec 350 Handle?

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

You can install the 383 with Vortec heads on it.

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 HP can a 4 bolt main 350 handle?

4 bolt 350 010 blocks can handle 1200 hp all day.

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.

What is the difference between a 350 and 350 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.

What is the difference between LS and 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.

How much power can a stock 350 bottom end handle?

Assuming it was correctly rebuilt, a completely stock bottom end – main bolts, cast crank, stock rods, cast pistons is good to around 350 HP.

Can I put Vortec heads on a 350?

If you wanted the Vortec heads on your engine then you would have to buy a new intake manifold to be able to get the TBI set-up onto the heads. … But you would need to buy a TBI intake manifold to bolt up to the Vortec heads. You can’t by a spacer for the Vortec intake manifold.

How many miles will a 350 Chevy last?

229k miles is not unheard of for a properly maintained 350. You could do a compression test and leak down test to analyze the health of the motor.

How much HP can a 2 bolt main 350 handle?

Stay away from the 2-piece rear main! A 2-bolt main with aftermarket studs is stronger than a 4-bolt main block, less prone to crack, and can take up to 600 HP on a seasoned block.

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.

How long do Vortec engines last?

Re: Chevy Vortec Engine longevity I know that 6.0L Vortec’s are renowned for going well beyond 300,000 without any major issues.

How can I get more horsepower out of my 350 vortec?

No matter what application your Chevy 350 motor is in, a few simple steps can get you more better performance and higher horsepower.Modify your air intake. … Modify your exhaust. … Change your camshafts and valve train. … Purchase new cylinder heads, or have yours ported and polished. … Have your motor rebuilt and blueprinted.

What is the difference between a 2 bolt and a 4 bolt 350?

Two bolt means each main cap uses two bolts to hold it down. Four bolt means there are four, which means more clamping force, and less likelyhood that the crank is going to push itself out of the bottom of the engine at high RPM / power. Here is the “splayed” 4-bolt mains. These are always aftermarket.

Can a stock 350 handle a supercharger?

Installing a supercharger on a stock engine generally works well as long as the static compression ratio is 9:1 or less and engine speed is limited to 6,000 rpm.