Quick Answer: Can I Put Vortec Heads On A 350?

Which is better TBI or carb?

A TBI system won’t necessarily make more horsepower than a carburetor.

Even so, a TBI system will start, idle, run and respond much better than a carburetor, and will maintain a near perfect tune over a much broader range of temperatures and operating conditions..

Can you put TBI intake Vortec heads?

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 much horsepower do headers add to a 350?

Adding headers simply brings that part of the system up to par with the rest of the parts. Chevy High Performance Magazine installed a set of Hooker headers onto a stock engine and saw an immediate increase of 16 horsepower and a more dramatic increase of 53 foot-pounds of torque.

How much horsepower do heads add?

Head porting is probably the single most critical piece of adding HP. you can gain 20-30 from a really good port job.

Can you put 400 heads on a 350?

400 heads on a 350 block is a great way to increase your midrange and top end power. The swap is a direct bolt – on deal, you just need to be sure to use 400 head gaskets when you do the swap.

How many horsepower does a 5.7 Vortec have?

255 horsepowerPerformance 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 is the difference between TBI and vortec?

The differences between them are that the TBI had the injectors right in front of the throttle plate, where the Vortec placed the injectors behind the throttle plate; and the TBI was a speed density system, whereas the Vortec used a mass airflow system to manage the fuel-injection system.

What years did Chevy use TBI?

Re: what year did fuel injected 350 start? TBI was started in 1987, but some 87’s registered as 86’s had them. Up to 92/93 the engines were the same.

Can I put Vortec heads on a 350 TBI?

The heads will bolt to the block fine but you will need a specific intake manifold. Either the gm TBI/vortec intake or a vortec intake for carbs and use an adapter for the tbi.

Can you put a carb on a Vortec 350?

You can use a carb intake for vortec heads, just get an intake made for vortec heads. … A regular chevy distributor will drop right in. Chances are you’ll need to run an electric fuel pump since your block is likely not drilled for a fuel pump pushrod.

Can you convert a TBI to a Vortec?

That said, TBI can be adapted to a Vortec headed engine by using a GMPP or Edlebrock intake that bolts to Vortecs at one and and TBI at the other. The other simple swap is to use the Swirl Port heads off earlier engines and the TBI bolted to a Vortec bottom end.

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 ) . on a Dyno with no accessories on it they dyno at about the 300HP region. But the heads can flow well enough for 400HP.

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.

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.

How much HP will 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.