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 8Likes
11-27-2017, 03:02 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Quote:
Originally Posted by classical glass
What I have is a 427 FE stroker. Crowley 16331 cam (551/565, lob center 108
Duration @ .050 lift247/252, lobe lift intake .312, exhaust .319). Ford roller rockers 1.76, MSD ignition, lemans HD rods, Wisoeco forged Pistons 10.5 comp ratio 10.6cc dish top. Lunati 428 crank, 2 Holley 600 CFL carbs. I think that's it.
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What Heads? |
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11-27-2017, 12:20 PM
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CC Member
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Cobra Make, Engine:
Posts: 107
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Quote:
Originally Posted by blykins
What Heads?
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Stock cast iron heads. |
11-27-2017, 01:07 PM
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Quote:
Originally Posted by blykins
What Heads?
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Stock cast iron heads. |
11-27-2017, 01:45 PM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,591
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Quote:
Originally Posted by classical glass
Stock cast iron heads.
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I'm no FE expert, but Brent or anyone interested in helping you may want to know which stock cast iron head? |
11-27-2017, 02:03 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Quote:
Originally Posted by RodKnock
I'm no FE expert, but Brent or anyone interested in helping you may want to know which stock cast iron head?
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Yep... |
11-27-2017, 02:06 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,005
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Quote:
Originally Posted by blykins
Yep...
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Uhhh, sorry. You have to be able to come up with the perfect head, the perfect configuration, and the perfect components without knowing the details on the rest of engine. Plus, you have to guess at what the customer is really going to do with the engine. That's the rules... and it makes it more fun for the rest of us.  |
11-27-2017, 03:26 PM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,591
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Quote:
Originally Posted by classical glass
Hi everyone, I have a 427 stroker and I'm ready to install a set of aluminum heads. I want to purchase a complete assembled set that's all ready to go. My questions are are there different compression ratio to pick from and which one is the best for the street. Are there any incidentals that should be considered when ordering them ie [ss valves, teflon valve seals, sodium filled exhaust valves etc] I only want to order once and want to get it right the first time. Last who manufactures the best items? The car is a semi show car and driven only on the street. Thanks for your time.
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Ooops. I just re-read the OP. OP wants to buy a new set of aluminum heads, so now I'm confused, because the OP mentions stock cast iron heads too. I'm also kinda curious what 427 block the OP intends to use.
Also, Blue Thunder heads haven't been mentioned and I'm also kinda curious why? Is it because they have raised exhaust ports, availability or are the Survival and BBM heads just better?
I'm bored, my Cobra is still "at the spa." 
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11-27-2017, 03:37 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,005
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Quote:
Originally Posted by RodKnock
Ooops. I just re-read the OP...
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Well, pay attention.  See, ol' Brent could probably answer any of the OP's questions in, probably, ten words or less, if they were just propounded to him properly. The trick is in the asking... because, Brent's tolerance has gone down over the years and he's likely to give up on this thread if the OP dallies.... |
11-27-2017, 03:56 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
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Quote:
Originally Posted by RodKnock
Ooops. I just re-read the OP. OP wants to buy a new set of aluminum heads, so now I'm confused, because the OP mentions stock cast iron heads too. I'm also kinda curious what 427 block the OP intends to use.
Also, Blue Thunder heads haven't been mentioned and I'm also kinda curious why? Is it because they have raised exhaust ports, availability or are the Survival and BBM heads just better?
I'm bored, my Cobra is still "at the spa." |
The BT heads are just impossible to get anymore. They take their sweet time on making them, and they usually just make enough to take care of a few people. |
11-27-2017, 03:57 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
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Quote:
Originally Posted by patrickt
Brent's tolerance has gone down over the years
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True dat. |
11-27-2017, 04:02 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,005
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Quote:
Originally Posted by blykins
The BT heads are just impossible to get anymore.
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See? Nine words. His second sentence was just a bit of icing.  |
11-28-2017, 02:02 AM
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Join Date: Apr 2008
Location: Melbourne,
Vic
Cobra Make, Engine: Some polish thing... With some old engine
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For the given purpose as outlined the Boring answer is:
Just grab a set of edelbrocks.
They’re tried and proven over hundreds of builds, most likely you’re builder has used them before on previous engines himself and is aware of how best to make them jive with the rest of your combo. Plus they’re likely to be the easiest to get your grubby hands on.
If it were me however, I’d chase a set of survivals or bbm.
However I am led to believe that both of these may have stock availability issues depending on where they are in their manufacturing cycle.
Whichever heads I got, I’d get them ported or at least blended to match.
Good luck with your search.
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11-28-2017, 03:12 AM
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Join Date: Dec 2001
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That would work as long as he doesn’t have a MR head, HR, or TP.
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11-28-2017, 06:12 AM
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Quote:
Originally Posted by blykins
Yep...
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OK, stuped question......... How do I go about finding out what what heads I have? I think there is a casting number under the valve cover some ware is that correct? If not where would I look? Thanks. |
11-28-2017, 06:16 AM
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Join Date: Dec 2001
Location: Louisville,
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Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Cast number is usually between the center exhaust ports on the outside of the head.
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11-28-2017, 06:17 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,005
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Quote:
Originally Posted by classical glass
OK, stuped question......... How do I go about finding out what what heads I have? I think there is a casting number under the valve cover some ware is that correct? If not where would I look? Thanks.
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Your safest bet is to take and post several pictures -- that will eliminate "screw ups." Brent is likely going to want to see your intake manifold as well. |
11-28-2017, 08:12 AM
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OP appears to be looking for a nice street cruiser. The parts he lists for his current engine look to be making up a real nice build. It may help if he shares what he thinks he is missing from his current setup/heads once he identifies them here. In other words, why the search for aluminum heads now? What do you want your car to do better than it is doing now?
You can find the Head casting information on the outside between the two center exhaust ports with a flashlight like seen below:
__________________
Last edited by 66gtk; 11-28-2017 at 08:18 AM..
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11-28-2017, 12:30 PM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,591
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Not Ranked
Quote:
Originally Posted by blykins
The BT heads are just impossible to get anymore. They take their sweet time on making them, and they usually just make enough to take care of a few people.
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I saw a thread on the FE Forum about a possible "Forum buy" of the BT heads to get them to make a production run. Then I'm assuming this was just wishful thinking on the Forum's part. |
11-28-2017, 08:21 PM
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Location: Marlboro,
NJ
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B9 heads
406 LR head
__________________
The Impossible Only Takes A Little Longer
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11-28-2017, 09:01 PM
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CC Member
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Quote:
Originally Posted by blykins
Cast number is usually between the center exhaust ports on the outside of the head.
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Just got home from work. I went out and found the info (C6AE-F) does that tell anything. |
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