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Re: 440 Source Stealth Heads
[Re: ireland383]
#642834
03/18/10 12:08 PM
03/18/10 12:08 PM
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Joined: Mar 2010
Posts: 130
Marcell, MN
68 Roadrunner
member
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member
Joined: Mar 2010
Posts: 130
Marcell, MN
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Quote:
That wasn't meant directly to you, just this thread is beatin to death. We need to bring back the horse icon. 
 
1968 Roadrunner 383 auto
.060 KB 400 domed pistons, Stealth heads, Torker intake, Holley 830, Lunati Voodoo cam 276/284, .513/.533, TCI 3500, 3.91 gears, all ARP fasteners,
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Re: 440 Source Stealth Heads
[Re: ireland383]
#642835
03/18/10 12:19 PM
03/18/10 12:19 PM
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Joined: Jul 2008
Posts: 30,424
Florida STAYcation
dOc !
The village idiot's idiot
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The village idiot's idiot
Joined: Jul 2008
Posts: 30,424
Florida STAYcation
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...NOT directly ? .. I don't think that THIS aspect is beng beat-to-death at all. At WHAT POINT do you accept an "assembly" as being good ? ...and not needing further inspection. Cyl heads ? .. you don't. Complete transmission? .. you do ? Why don't you give us a list of the assemblies that you will accept as-is and TRUST. And the ones that you do not. And WHY....you do or don't.
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Re: 440 Source Stealth Heads
[Re: dOc !]
#642836
03/18/10 12:23 PM
03/18/10 12:23 PM
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Joined: Mar 2010
Posts: 130
Marcell, MN
68 Roadrunner
member
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member
Joined: Mar 2010
Posts: 130
Marcell, MN
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Quote:
...NOT directly ? ..
I don't think that THIS aspect is beng beat-to-death at all. At WHAT POINT do you accept an "assembly" as being good ? ...and not needing further inspection.
Cyl heads ? .. you don't. Complete transmission? .. you do ?
Why don't you give us a list of the assemblies that you will accept as-is and TRUST. And the ones that you do not. And WHY....you do or don't.
Good point. Do you pull apart a new oil pump?
1968 Roadrunner 383 auto
.060 KB 400 domed pistons, Stealth heads, Torker intake, Holley 830, Lunati Voodoo cam 276/284, .513/.533, TCI 3500, 3.91 gears, all ARP fasteners,
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Re: 440 Source Stealth Heads
[Re: ireland383]
#642839
03/18/10 12:39 PM
03/18/10 12:39 PM
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Joined: Apr 2003
Posts: 3,968
North Riverside IL & Lowell IN
GTXKen
super gas
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super gas
Joined: Apr 2003
Posts: 3,968
North Riverside IL & Lowell IN
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Quote:
I guess on certain parts you have to roll the dice on. Obviously every part is not going to be defective or need attention.
Thats the attitude that allows manufactures to produce a poor product. If it does not meet spec or work return it.
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Re: 440 Source Stealth Heads
[Re: 68 Roadrunner]
#642840
03/18/10 12:41 PM
03/18/10 12:41 PM
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Joined: Oct 2005
Posts: 8,862
Ontario, Canada
Stanton
Don't question me!
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Don't question me!
Joined: Oct 2005
Posts: 8,862
Ontario, Canada
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Quote:
When we sell a door it is ready to install. You don't need to adjust the hinges or trim the edge!
And when was the last time you sold one of these doors that didn't need the frame shimmed ?!?! Sure, it fit the opening BUT it required some additional work to fit and work properly.
Quote:
A bolt on part should be just that.
And they are, but NOT with a .700 lift roller cam, 1.7:1 offset rockers and other miscellaneous non-stock items.
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Re: 440 Source Stealth Heads
[Re: dOc !]
#642842
03/18/10 12:52 PM
03/18/10 12:52 PM
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Joined: Jan 2003
Posts: 21,065
Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,065
Niles , Ohio
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Well its like buying a crank or rods.Would you just open the box and install.Yeah you might get lucky but its worth the effort to check it.Ive pulled new oil pumps aprt to check them.Just a caution.Ive installed too many NEW parts at work that were stock replacements that didnt work.With $$$ in a motor Id rather be safe than sorry.Rocky
Chrysler Firepower
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Re: 440 Source Stealth Heads
[Re: Stanton]
#642843
03/18/10 12:53 PM
03/18/10 12:53 PM
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Joined: Jul 2008
Posts: 30,424
Florida STAYcation
dOc !
The village idiot's idiot
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The village idiot's idiot
Joined: Jul 2008
Posts: 30,424
Florida STAYcation
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Quote:
A bolt on part should be just that.
And they are, but NOT with a .700 lift roller cam, 1.7:1 offset rockers and other miscellaneous non-stock items.
Oh geese ... this is NOT what we are talking about ..... most DO have more "stock" items than that ..
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Re: 440 Source Stealth Heads
[Re: Stanton]
#642844
03/18/10 12:58 PM
03/18/10 12:58 PM
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Joined: Mar 2010
Posts: 130
Marcell, MN
68 Roadrunner
member
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member
Joined: Mar 2010
Posts: 130
Marcell, MN
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Quote:
Quote:
When we sell a door it is ready to install. You don't need to adjust the hinges or trim the edge!
And when was the last time you sold one of these doors that didn't need the frame shimmed ?!?! Sure, it fit the opening BUT it required some additional work to fit and work properly.
Quote:
A bolt on part should be just that.
And they are, but NOT with a .700 lift roller cam, 1.7:1 offset rockers and other miscellaneous non-stock items.
The frame shimmed??? That would be like saying that you have to install the heads with the gaskets. Not really modifying the door just standard installation. Do you need to put the head bolts in or just set them on and fire it up?!
I guess I don't think your example really works.
1968 Roadrunner 383 auto
.060 KB 400 domed pistons, Stealth heads, Torker intake, Holley 830, Lunati Voodoo cam 276/284, .513/.533, TCI 3500, 3.91 gears, all ARP fasteners,
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Re: 440 Source Stealth Heads
[Re: therocks]
#642845
03/18/10 01:23 PM
03/18/10 01:23 PM
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Joined: Apr 2003
Posts: 3,968
North Riverside IL & Lowell IN
GTXKen
super gas
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super gas
Joined: Apr 2003
Posts: 3,968
North Riverside IL & Lowell IN
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Quote:
Well its like buying a crank or rods.Would you just open the box and install.Yeah you might get lucky but its worth the effort to check it.Ive pulled new oil pumps aprt to check them.Just a caution.Ive installed too many NEW parts at work that were stock replacements that didnt work.With $$$ in a motor Id rather be safe than sorry.Rocky
The same in some ways, not in another.
If they say they are balanced to X then they shoule be balanced to X. If you are matching the rods to a cranke thats been ground and you have to match the sizes then thats another story.
Likewise back to the heads...
If it comes assembled with valves ground they should be ground correctly, seats should be at the correct height.
If I decide to run oversize pushrods well then I should have some work to do on my own.
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Re: 440 Source Stealth Heads
[Re: GTXKen]
#642849
03/18/10 01:51 PM
03/18/10 01:51 PM
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Joined: Mar 2010
Posts: 130
Marcell, MN
68 Roadrunner
member
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member
Joined: Mar 2010
Posts: 130
Marcell, MN
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Quote:
I am not condemming the Stealth heads. They are a good value compared to the rest of the market. They are great for someone looking to make 400-600 hp for less than a couple grand in heads.
But they could be better if QC was better...and QC would be better industry wide if consumers insisted on it.
I agree with you completely. I bought them because I would have had almost as much into rebuilding my 906's and they are aluminum so a guy can run more compression with pump gas. Hopefully they run good and I don't have any problems. 
1968 Roadrunner 383 auto
.060 KB 400 domed pistons, Stealth heads, Torker intake, Holley 830, Lunati Voodoo cam 276/284, .513/.533, TCI 3500, 3.91 gears, all ARP fasteners,
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Re: 440 Source Stealth Heads
[Re: Dodgem]
#642851
03/18/10 02:28 PM
03/18/10 02:28 PM
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Joined: Mar 2010
Posts: 130
Marcell, MN
68 Roadrunner
member
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member
Joined: Mar 2010
Posts: 130
Marcell, MN
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Quote:
Not to start a  but do you have the flow numbers to back up that claim? Because the numbers I have, done by a respected moparts head porter, show OOTB eddy vs OOTB stealth to be within +/- 4% of each other across the board.
well for starters many of the seats hung inside the ports for a sharp edge. all the seats were above the combustion chamber (or rather protruding below the combustion chamber roof) different amounts. Rough and crude behind seats into the port. Overall seats look cheap and crudely installed. Eddies come port matched source do not.
Crude bump on backside of the pushrod pinch in port.
One spring cup had hole off center thus it was held up on one side 1/4 of an inch holding the spring way crooked. Source sent out a new one after a major wine job!
the seat material ground real easy thank god to blend into the ports. seems soft to me??????
the aluminum itself seems softer than and edelbrock?????
+ you have to buy new retainers and keepers.
The overall fit and finish on an eddie head is way way better.
Just by eye balling can't see how they would flow as good as an eddy without a lot of hand work!! no flow numbers so who knows.
Valve job was fine. cc'd 81 low to 83 high
springs were 140 lb at 1.86 and 370 @ .600 lift
That said they are definatly the Walmart of aluminum heads good thing we took these apart to check them out especially on the cocked spring cup
After hand porting 2 sets of eddies then these I stand by "They Are not Edelbrocks"!!
are they better than spending time and money on iron heads Yes Way better!!! + the fuel requirement bonus.
Would "I" buy a set?? maybe but if I had a few more bucks I would try to move up in quality to Edelbrocks especially if they were going on OOTB
Thanks for the info.  
1968 Roadrunner 383 auto
.060 KB 400 domed pistons, Stealth heads, Torker intake, Holley 830, Lunati Voodoo cam 276/284, .513/.533, TCI 3500, 3.91 gears, all ARP fasteners,
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Re: 440 Source Stealth Heads
[Re: 68 Roadrunner]
#642852
03/18/10 02:57 PM
03/18/10 02:57 PM
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Joined: Jan 2003
Posts: 21,065
Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,065
Niles , Ohio
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Eddy had valve guide problems being too tight as did Indy and they are big bucks.Many sets of all have been run OTB but Ill have them checked even if I spring 3K for race heads.Rocky
Chrysler Firepower
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