I went to:

http://www.tristatecylinderhead.com/...products_id=43

and found these heads. 60cc comb. chamber, 190 intake runners, and 75cc exhaust runners

I have one of those desktop dynos and I when I put in the flow numbers that are listed on the bottom of the page...these heads they made more power than the AFR 165 heads and they didn't lose much torque at all down low on a mild 302 setup even with 190cc intake runners. The setup I ran was a 4bl carb 600cfm, small tube headers, 9.0 compression, dual plain intake, and a trickflow stage one camshaft (roller)

Actually I ran more than one test with different cams and compression and they still came out on top. No I personaly would not mind running a set of iron heads on my hot rod even if they did weigh alot more than aluminum heads but I figure with flow numbers like those I don't need to spend 1400 bucks on the AFR's, These heads are only like a little over 700 bucks built.

What do you guys think?

 

I agree.. If weight isn't an issue there's no need to spend the $$ on aluminum heads.

 

550.00 for bare heads? Now add all the rest of the stuff it's going to take to use them... or 700 loaded...

 

those intake numbers look to good to be true.

 

I don't see your point , $550 bare or $710 loaded PER PAIR- still 1/2 of AFR price. Flow numbers are probably higher than real life and it's anybodys guess what kind of quality they are. I would dis them , except I just got through hearing a horror story about AFR heads, why spend twice as much on heads that may not be any better.

 

What was the horror story with the AFR's?

 

A guy bought a pair of AFR 205 heads, and the fire ring on the gasket was .030 into the combustion chambers, and the head wasn't sealing. The other head was sealing, but still wasn't right. I'm unclear as to whether he was dealing with the supplier or AFR initially, but was given the response that "that's the way they all are, this is an ongoing problem that we are working on , but until we can solve the problem, it will take 2-3 months before we can replace your heads." Then he replied that he talked to someone at AFR who said that those heads don't hang into the combustion chamber anymore than his personal heads do and he is sending a different gasket. Someone suggested wallowing out the dowel holes to align the gasket, to which the poor soul replied that then his head bolt holes would not line up. He also stated that the previous gasket had lined up perfectly with the block, so, mental giant that I am, I concluded this: If the gasket lines up on the block perfectly, but way off on one head and somewhat off on the other on the combustion chambers, but the bolt holes line up, maybe the combustion chambers are machined a leettle beet off? I don't see how a gasket swap is going to solve the problem. At any rate, my point is , these heads aren't right and for the kind of money AFR demands, they should be a step above tthe rest of the Chineese crap that sells for half the money.

 

Chineese crap that sells for half the money... exactly...

what kind of hardware do you think they are putting in those bare heads. add up what quality parts would cost... studs, springs, retainers, locks, guid plate, valves, etc.

I have never bought any kind of after market head and never will... and that size intake valve will kill low end torque, no need to go bigger than 1.9 on a small block. it's not all about the flow numbers, just be careful, you get what you pay for.

 

thanks for the info guys