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440 Iron Head Build-Not For The Feint Of Heart!!! #333812
05/31/09 01:58 AM
05/31/09 01:58 AM
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Portland Oregon
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JohnnyBeGood Offline OP
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Here we go again! I am one of those ones that would like to build a stout street mauler using iron heads like 915s or 906s. I agree with everyone that its not worth spending gobs of money on these heads so how would you build yours? To start with I will use 2.14/1.81 valves.

Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: JohnnyBeGood] #333813
05/31/09 02:04 AM
05/31/09 02:04 AM
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The Dalles, OR.
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Dusted_Ya Offline
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well I would start with changing feint to faint.

Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: Dusted_Ya] #333814
05/31/09 08:25 AM
05/31/09 08:25 AM
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Ansonia, CT
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CJK440 Offline
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feint is the proper spelling.

Perhaps you want to get in touch with some of the F.A.S.T. guys running wedge motors and see what they had done.


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Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: CJK440] #333815
05/31/09 08:41 AM
05/31/09 08:41 AM
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Lincoln Nebraska
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RapidRobert Offline
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The 906's would be cheaper to come by than the 915's & there is a set of 2.14/1.81's for sale in either the race or the bb section.


live every 24 hour block of time like it's your last day on earth
Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: CJK440] #333816
05/31/09 09:42 AM
05/31/09 09:42 AM
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up yours
Supercuda Offline
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Quote:

feint is the proper spelling.





Only if you're planning a misdirection, which is probably what this post is.

If you mean not for the weak of heart then it's faint.

But hey, language, who give a darn. I'll blither and let you figure it out.

Last edited by Supercuda; 05/31/09 09:42 AM.

They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.
Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: Supercuda] #333817
05/31/09 09:51 AM
05/31/09 09:51 AM
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Coram, NY
Pool Fixer Offline
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how about 516's since your probably going to put larger valves in anyway. they would be cheaper than 915's to start with, still closed chambered.

I seem to remember that the small valve was the only major difference between 516 and 915... it's been a while though..

Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: JohnnyBeGood] #333818
05/31/09 10:20 AM
05/31/09 10:20 AM
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New Jersey, USA
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yella71 Offline
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If you could find a set the early stage 4 iron heads are very good.The ports are larger than std. bb iron heads and the dog leg is almost elimated as cast. the casting has extra materal for porting also. Every thing stock will bolt up.For an iron head motor they would be worth findinga set.I know this because I have a set and they work very good. Also from the outside you canot tell that they are not stock heads.

Last edited by yella71; 05/31/09 10:23 AM.

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Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: Supercuda] #333819
05/31/09 10:36 AM
05/31/09 10:36 AM

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Quote:

Quote:

feint is the proper spelling.





Only if you're planning a misdirection, which is probably what this post is.

If you mean not for the weak of heart then it's faint.

But hey, language, who give a darn. I'll blither and let you figure it out.






Faint: lacking courage and spirit, strength or vigor

Feint: a mock blow or attack on or toward one part in order to distract attention from the point one really intends to attack

Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: JohnnyBeGood] #333820
05/31/09 12:00 PM
05/31/09 12:00 PM
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JohnRR Offline
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my goodness ..

back on topic , used closed chamber heads , buy 915's , the ports of the 516 are not as good as the 915/906

Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: JohnnyBeGood] #333821
05/31/09 12:16 PM
05/31/09 12:16 PM
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Lincoln Nebraska
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RapidRobert Offline
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Quote:

I would like to build a stout street mauler


I would go with alum stealths but you said iron. 915's would let you get quench which would let you support a much higher CR on the exact same fuel but are a bit scarce & therefore pricey, 906's are common but you'd have no quench, as double R stated the 516's need to be ported correctly with some one who has experience with that particular port shape to get the most out of them and they are cheap & the closed chamber would let you set up for quench. IF the cc's of the 516's and the stealth's are very close you would be able to switch at a later date & keep your CR right where you want it EDIT forgot that the alum wants a higher CR so disregard that last sentence

Last edited by RapidRobert; 05/31/09 12:26 PM.

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Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: JohnRR] #333822
05/31/09 06:13 PM
05/31/09 06:13 PM
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Portland Oregon
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JohnnyBeGood Offline OP
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I am amazed sometimes to the responses I get asking these green horn questions but i dont mind II will keep asking until I get the answer I want to hear! I have both 915s and 906s which way would you go and why?

Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: JohnnyBeGood] #333823
05/31/09 06:18 PM
05/31/09 06:18 PM
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UPPER MICHIGAN, MARQUETTE COUN...
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Quote:

I have both 915s and 906s which way would you go




Sell both sets and but some 440 source or Edelbrock heads ready to run out of the box.

Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: JohnnyBeGood] #333824
05/31/09 07:06 PM
05/31/09 07:06 PM
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JohnRR Offline
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Quote:

I am amazed sometimes to the responses I get asking these green horn questions but i dont mind II will keep asking until I get the answer I want to hear! I have both 915s and 906s which way would you go and why?




I love it when people fish for answers .

you have both heads , you want to run cast iron heads , ignore the get alum heads , USE THE 915's , prop a door open wit hthe 906's , it's really that simple ... really

Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: JohnRR] #333825
05/31/09 07:41 PM
05/31/09 07:41 PM
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Portland Oregon
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JohnnyBeGood Offline OP
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Alright-you see I knew I would get a decent answer! Ok now how would you build it? Im will be installing 2.14/1.88 valves and a bowl blend would be in good order too! And the rest of the engine...

Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: JohnnyBeGood] #333826
05/31/09 08:20 PM
05/31/09 08:20 PM
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Quote:

Alright-you see I knew I would get a decent answer! Ok now how would you build it? Im will be installing 2.14/1.88 valves and a bowl blend would be in good order too! And the rest of the engine...




you need a little more than a bowl blend to get the benifit of adding the larger valves , so you are going to drop some money on the heads whether you like it or not .

As for the rest of the build the next answers you get will all have the words STROKER CRANK in it

Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: JohnRR] #333827
05/31/09 09:05 PM
05/31/09 09:05 PM
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USA IN
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With the larger valves there is ton of low and mid lift flow from deshrouding the valves. It takes abit to get the chambers the same size but if you have the time its worth it. You could also have that done by a shop instead or grinding if you have the extra money.

Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: JohnnyBeGood] #333828
05/31/09 09:21 PM
05/31/09 09:21 PM
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oklahoma
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do a google search for"cylinder heads part 1". You will find Dulcich's article from Mopar Muscle. then look for part 2 and 3. For some reason its easier to do a Google search than to navigate Mopar Muscles site. Lots of good info.

Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: JohnRR] #333829
05/31/09 10:15 PM
05/31/09 10:15 PM
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Joplin, MO USA
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Quote:

Quote:

I am amazed sometimes to the responses I get asking these green horn questions but i dont mind II will keep asking until I get the answer I want to hear! I have both 915s and 906s which way would you go and why?




I love it when people fish for answers .

you have both heads , you want to run cast iron heads , ignore the get alum heads , USE THE 915's , prop a door open wit hthe 906's , it's really that simple ... really


Can you say quench?


Moparlee
Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: JohnnyBeGood] #333830
06/01/09 12:31 AM
06/01/09 12:31 AM
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Carstairs, Alberta, Canada
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Quote:

Alright-you see I knew I would get a decent answer! Ok now how would you build it? Im will be installing 2.14/1.88 valves and a bowl blend would be in good order too! And the rest of the engine...



How stout of a motor are you looking for?
What car you dumping it in?

Mine is 915's and runs well. Idles well. Would do well in a street car(I street drive mine)

Home ported 915's with STOCK valve size. fairly mild, but massaged.
440 .030 over with 6 pack slugs
10.6:1 comp
242 @ 50 hydrualic racer brown cam
1.6/1.5 combo roller rockers
eddy rpm manifold
750 mighty demon
3400 stall 9" converter
373 gears.
junkyard headers
3" exhaust back to the flowmasters, and 2.5" tail pipes after that
mopar electronic distributor, with aftermarket fbo ign box
Holley blue pump with 1/2" supply line to dual feed -6 lines from the reg to the carb.

As it sits now, my best pass is in the sig line. The car was a little lighter a few years back(added a dana and a second battery) so it was as fast as 11.70 then(still the same motor, converter, etc). Still over 3800 pounds even then.

FWIW, I ran the same motor with a set of 452's that I ported(in the same way the 915's are), and stock rockers, and it was 7 tenths slower.

Last edited by dave571; 06/01/09 12:32 AM.
Re: 440 Iron Head Build-Not For The Feint Of Heart!!! [Re: dave571] #333831
06/01/09 11:35 AM
06/01/09 11:35 AM
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Central Ohio
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Ledman_70 Offline
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I have a set of the iron stage 3 or 4 heads with valves that need redone if you're interested for $250 plus shipping.


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