[StevenC]

I have an engine here, im pretty sure its a 94 vortec engine out of chevy truck of some sort. My question is, can i take the 350 block and just throw some regular heads and intake on it?

[lluciano77]

Of course.

If you are going to run a carb, you may need to go to an electric pump if there is no fuel pump boss.

[StevenC]

thanks, just what i wanted to know

[StevenC]

Ok, Im planning on puting some AFR heads on the block with a performer rpm intake. Should that work out ok? Also is there anything special i need to worry about regarding oiling system?

[firestone]

I dont know if this makes a difference, but the vortec V8 didn't come out until 1996.

Adam

[1931 steve]

This is not a Vortec engine, its just a throttle body 5.7 or 5.0 V8. The cylinder heads are known as swirl port heads, and yes they are junk for performance engines. They stop making power at around 5000-5200 or so RPM's. The vortec heads that you are asking about are a good replacement head for the swirl port heads. I would suggest that you use the engine block and buy an aftermarket set of heads. The engine block should be set up for a roller cam and 1 piece rear main seal.

Steve

[454C10]

The main part of the "vortec" head design is just the heart shaped combustion chamber that is on about all aftermarket heads, afr included. So you are making a vortec engine, as gm calls it. It is a high quench design that promotes a faster burn rate so it requires less total ignition timing, so more compression ratio or less octane can be used as compared to the "old school" heads.

The gm vortec head has a different intake bolt angle and requires a special vortec intake manifold. It also requires special rockers and valve covers. A good set of heads but the non-standard intake, center bolt valve covers, and narrow body rockers make the vortec heads a pain in the butt to use if you are already set up with the old style stuff.

[StevenC]

did not know that about the year.. I have not seen the engine personally yet. But its in rebuildable shape and I am getting it free... Soo we shall see. I was just told it was vortech