Can you put Vortec heads on a 307?

The vortec 5.7 heads with larger 1.94 intake valve are very good on a 307. Do not sell short with the smaller valve/runner 305 059 vortec heads. The 307 is classic powerplant that will move. Any 9+/1 compression sbc will make good use of the 1.94 valve.

Can you hook up vortec heads to intake manifold?

Nothing will hook up, and the fuel system is wrong in your truck for the Vortec set-up. 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.

How many bolts do you need for vortec heads?

Dhr23, no on the intake fit, Vortec heads have a different bolt pattern, the Vortec intake has 8 bolts to hold it down where as from 1995 on back take 12 bolts to hold down the intake manifold on GM 350 or 5.7 engines. 10 people found this helpful.

Can a Vortec head be used on a small block Chevy?

While these heads will bolt right on a small-block Chevy, there are several caveats that you should be aware of before you torque those head bolts down. First, these heads employ a unique 8-bolt intake bolt pattern that’s different compared to the standard small-block Chevy 12-bolt pattern, requiring a dedicated Vortec manifold.

How is the Vortec set up on a truck?

The Vortec set-up is controlled by a OBDII computer and the computer in your truck is a OBD1. Nothing will hook up, and the fuel system is wrong in your truck for the Vortec set-up. 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.

What kind of intake manifold does a Vortec head use?

This intake was designed for the 1996 EXPORT model trucks that were equipped with Vortec style heads AND the TBI fuel injection. This means that this IS a proven intake manifold. I assume there are a few marine TBI intake manifolds that are used on TBI equipped marine engines.

Can you change cylinder heads to vortec heads?

Matt, I was talking about changing my cylinder heads to the vortec ones. Im walking on sunshine! Matt, I was talking about changing my cylinder heads to the vortec ones. Click to expand… A good read from Hogg. There are a couple different marine intake manifolds. If you have a Vortec headed engine than this is the intake you want.

Can you use vortec heads on a TBI truck?

If I had a TBI truck that i wanted to use Vortec heads on, I would use the Edelbrock Vortec style Performer RPM Airgap ijtake manifold. This intake produces VERY even exhaust port temps indicating that the intake distributes air and fuel very evenly from cylinder to cylinder. This intake allows you to use Vortec heads on any TBI truck.

How big is the intake port on a Vortec?

There are a few different Vortec style raised runner heads on the market now. 1. Standard L31 GM truck heads 170cc intake port 3. GMPP Largeport Bowtie Vortec heads 207 cc intake ports (d shaped exhaust ports) 4.