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Best heads for the $ for a 416 stroker?

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Old Dec 22, 2011 | 09:15 PM
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Default Best heads for the $ for a 416 stroker?

Road race application. Occasional street driven. 02 M6 with 3.73's. Looking for 550 rwhp with a broad torque band.
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Old Dec 22, 2011 | 09:27 PM
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Lingenfelter Ls3 cncd and ported heads

http://www.lingenfelter.com/mm5/merc...egory_Code=C40
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Old Dec 22, 2011 | 11:09 PM
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It's hard to beat that price.....

AFR 230's will have more torque 3-4k. edit- idle-4k

Mine flowed 287 @.400 after Tony was done.
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Old Dec 23, 2011 | 12:23 AM
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I don't think you'll be able to find anything better than a good ported LS3 head as far as price goes. Should make plenty of power as well with a proper cam.
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Old Dec 23, 2011 | 04:58 PM
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http://www.texas-speed.com/p-3200-pr...der-heads.aspx

Take a look at those heads. I know they are a little more pricey then a stock casting but with the smaller runner and smaller chamber I feel it would work pretty well for a road race motor. Give us a call and we can go over them with you.
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Old Dec 24, 2011 | 10:46 PM
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Wow those lingenfelter come with springs as well, even ls3 valves not l92 ones.
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Old Dec 25, 2011 | 03:27 AM
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Yup, one of the reasons I went with them.
Just a few pics I have of their work.



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Old Dec 25, 2011 | 04:28 AM
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for price you cant go wrong with a ls3 casting head, weather it be stock or cnced. cnced should make about 30 more hp over stock ones. i have Texas speed CNCd ls3 heads that have been milled on my 418
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Originally Posted by TurboS10
It's hard to beat that price.....

AFR 230's will have more torque 3-4k. edit- idle-4k

Mine flowed 287 @.400 after Tony was done.
I agree. He could maybe run the AFR 215 head(if everything else was perfect), but in the real world with the AFR230 V-2s would probably be a better choice for his hp goal.
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Old Dec 28, 2011 | 09:56 AM
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Advanced Induction LS3 heads...see my sig for details on my 418 build.
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Old Dec 30, 2011 | 03:27 PM
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Don't forget the PRC 250cc aftermarket casting heads either! They offer smaller runners while still making big airflow! The result is a head with awesome velocity & a potential to make power across the rpm band! Do you want a 350+cfm runner that is 250cc or 270cc?
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