Ported Apache or Thitek heads

I have a set of Apache heads that need ported was going to send them to BES. By the time you do their CNC program (and I see varying results) you will have almost what a set of Thiteks cost. I have $1000 in the stock Apache heads. What are the thoughts this is a NA 426 6.1.based deal race only will never see the street.

I went through this also. The Thitek's are a better head for a race motor because of the material they are cast from, bronze guides and ductile iron seats.

Send them to Six-pack gut on here. He is super reasonable. He gets my vote at 373cfm at .600

I contacted six pack gut I like his work......he is a few months out I would really like to race in April.

Buy mine, sell yours...

Frankenstein has some Thiteks on Ebay right now for 3k done ready to run just add valve gear.

The ones in the pic are machined for Jesel's rocker system. Unless it's just a representative pic.

they just used a stock photo they have on their web page.

That's a deal anyone have any experience with Frankenstein ? I sent them an email with a few questions looks like I might have a set of apaches for sale.

Anyone know the minimum bore size for a 2.18 intake valve?

not sure but I'm stuffing 2.20 in 4.06 bore 6.1 block right now.

for sh!ts and giggles here's a 2.22 valve in a eagle head, should give you anIdea of what kind of room you have.

I did some mock up with the apache heads and a stock bore 6.1 I have here and it looks like it will be fine. I bought the heads next question I have is the comfort level using a solid stem 2.18 with beehive springs. I am planning to spin this thing 7300-7600. I am a little concerned. I was thinking of buying the hollow stem 2.18 manley sells and replace the solid stem valves. What's everyone's thoughts?

Sounds like $400 endeavor whether you change valves or springs. Except you may be able to sell the springs off your heads. I think it would be hard to sell the valves.

One point would be, not sure you can fit dual springs on Frankenstein's setup.

Stock Apache on stock 5.7 bore no gasket.

How much radial clearance did the Apaches and stock 5.7 bore have?

No idea.
IMO there is enough for it to open but add heat to it then
Good news is that it opens away from the wall.

3.917 bore it's about .060 for the 2.14, exhaust is about .010

I'll make it a point to get some photos up in the next week

look into dual spring LS springs
If you go hollow pm I'll buy the 2.18s you have also hit me up with a price on those apaches.

I could have them turned around in 2 weeks...just a thought.
Brian