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Best heads for 408
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http://www.clubcobra.com/forums/small-block-talk/74527-best-heads-408-a.html)
| bermblaster41 |
11-17-2006 08:24 AM |
Best heads for 408
Looking for best performance heads for a 408. The exhaust ports have to be for stock headers. I will be using full roller valve trane. Looking around the 205 range and want to run on pump gas. Thanks Bermblaster
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| Curt C. |
11-17-2006 10:31 AM |
You did not state cam specs or anticipated HP / TQ levels. However, the AFR 205's work well on these strokers. Do some searches.
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| JBCOBRA |
11-17-2006 11:11 AM |
How about the 303's?
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| Three Peaks |
11-17-2006 11:13 AM |
Edelbrock Vic. Jr., Canfields, AFR 205's, Trick Flow, etc....
Seems to me there was a head comparison posted just last week on this board with charts, graphs, etc... might want to do a search.
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| bermblaster41 |
11-17-2006 11:15 AM |
Always want max hp I plan on having duration in the upper 250 @.050 Have not decided on exact cam specs. I have comp cams 292h in my mustang 351. I want more. The bottom end [408] will be scat products [forged]. I want the car to sound as bad as it looks.
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| bermblaster41 |
11-17-2006 11:18 AM |
Does any one know if the AFR 205s are available in the stock exhaust port height? Bermblaster
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| dlampe |
11-17-2006 12:18 PM |
I would suggest the Brodix Track 1 M2 CNC'ed head from Keith Craft. It will flow more than the AFR's. I would look for heads that flow over 300cfm at .500 lift as a starting point. The Brodix are around 312 at .500 and the Yates are around 360 cfm.
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| 66rdster |
11-17-2006 12:40 PM |
Hey Berm,
I don't think your gonna find too many aftermarket heads that don't have raised exhaust ports. Seems like most of them that I've looked at are raised varying amounts. A lot of them are in the .130-.135 range. Most raised ports shouldn't be a problem with the Hurricane. I'm using Dart heads (exhaust raised .135) and don't have any issues. I think Ryan has Victor Jr's and they're not a problem. I think as long as you choose something thats gonna work with the rest of your combination you'll be OK.
Mike
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Berm
I have the same problem being restricted to stock location. AFR 205 are like 1/8 higher which for me is a problem.
An alternative to consider is contact Ed Curtis at www.flowtechinduction.com. He is considered one of the best cam builder and head guys around. Ed does a thing with a special CNC program and gets the AFR 185 heads [ stock location] very very close to 205's flow numbers. While at it, ask him to build you a special custom cam for $395. Again his reputation is way up there.
Jack
PS flow numbers are great but velocity is king |
| Curt C. |
11-17-2006 03:10 PM |
Contact the manufacturer of the cam you have picked and ask him how much head you need. Ditto for Ed Curtis being very, very good. I have bought two sets of heads and one custom cam from him. Good guy and certainly knows his stuff.
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best heads for 408...
good set of C# yates with stainless valves, not titanium. great flow for that displacement and price is much better now that SC1's are legal in nascar.
best of luck,
rrd
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