[Thom Laybourne]

I build mostly 383 strokers. Full rollers. In the past I have searched the yards for camel hump heads and ported and polished them. Now I am getting lazy. I am looking for opinions on some of the after market heads. Edlebrock, etc.

hr41pearl

[mstngjoe]

I've got AFR 185s.

www.airflowresearch.com

[Cstraub]

Iron I would use World products. Aluminum I would use Canfield. For the bang for the buck these are the 2 most cost effective heads for the money.

Chris

[firestone]

From what I have seen, for the price nothing compares to AFR. I have seen 10:1 383s with AFR 195cc heads make 500 hp with cams well under 250 at .050 duration. If you look in the newest Hot Rod magazine, they have a 9.9:1 408 with AFR 227cc heads that makes 620 hp at 7000 rpm on 91 octane. Not bad for a pump gas motor.

Adam

[Thom Laybourne]

Interesting choices. Why not Edlebrock, Wieland (spelling?), Eagle. Cant be pricing. Aluminum heads. On Alfa Romeos I was always checking the head torque. Aluminum and steel expand and contract at different rates. What about the newer Aluminum heads, any problems?

hr41pearl

[firestone]

Those other heads are decient, but you are going to spend around $1,100 for any set of aluminum heads, and they will be unported. The AFR's are $1,250 an assembeled set and they come with CNC ported intake and exhaust runners, and combustion chambers. Because of this porting, these heads are much better performers and they dont cost too much more. I know of many people running alumimum heads on iron blocks. I havent heard of anyone having any problems. I have a 358 with Aluminum heads on an iron block and I have never had any problems. As long as you dont overheat the motors all the time, you should be ok.

Adam

[Thom Laybourne]

Thanks Adam. I will go back to the other sites and compare the information a little closer. I must have missed the porting. I was paying more attention to price / pwr curve / assemble or not.

hr41pearl