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Re: 440 Source Super Stealth Heads
[Re: LaRoy Engines]
#1396278
03/03/13 11:52 PM
03/03/13 11:52 PM
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Joined: May 2012
Posts: 1
Brier, WA
19polara64
member
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member
Joined: May 2012
Posts: 1
Brier, WA
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Heyoldguy, have you flowed edelbrock rpm's? How do they measure up?
Rene’ Rose
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Re: 440 Source Super Stealth Heads
[Re: 19polara64]
#1396279
03/04/13 11:32 AM
03/04/13 11:32 AM
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Joined: Oct 2011
Posts: 559
Idaho
LaRoy Engines
mopar
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mopar
Joined: Oct 2011
Posts: 559
Idaho
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Quote:
Heyoldguy, have you flowed edelbrock rpm's? How do they measure up?
I have the Edelbrocks as a little better flowing OOTB and with the same potential as the Stealth when ported.
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Re: 440 Source Super Stealth Heads
[Re: EchoSixMike]
#1396280
03/04/13 02:43 PM
03/04/13 02:43 PM
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Joined: Oct 2011
Posts: 559
Idaho
LaRoy Engines
mopar
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mopar
Joined: Oct 2011
Posts: 559
Idaho
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Quote:
Quote:
Yes, that is for a regular Stealth. What would be your frame of reference for "level of work"? It's just enough work to get the listed flows.
Frame of reference? Whatever you're comfortable with, I guess. What do you charge for that head at that flow would be my 1st choice, so it can be factored against buying a different head. If it takes 5hrs per port, a bunch of welding and epoxy, so you're looking at $2k labor right off then it just makes more sense to go Victors or B-1's from the beginning. I mean for racing, it makes sense to do that anyways  but the vast majority of mopar guys seem to want to squeeze a turnip for blood 
BTW, thanks for posting, it seems that a lot of folks want to attack you, for whatever reason, and I appreciate that you keep going. S/F.....Ken M
I'll presume you got your PM. The Stealth wasn't designed as a race head but you can convince it to perform in a very respectable fashion. If you already own a pair they can get you into the 700+ horsepower range cheaper than buying a new set of other heads and having them ported. A set of good flowing heads never ends up cheap even if they start out at $500/each complete.
The Super Stealth is a puzzle. You can get some decent flows from it easier than the Stealth but it's only real purpose seems to come down to it's external looks. It sorta looks stock, you know stealthy, secret, covert, clandestine, furtive. How much is that worth?
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Re: 440 Source Super Stealth Heads
[Re: tboomer]
#1396284
03/04/13 05:02 PM
03/04/13 05:02 PM
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Joined: Oct 2011
Posts: 559
Idaho
LaRoy Engines
mopar
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mopar
Joined: Oct 2011
Posts: 559
Idaho
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Quote:
Quote:
The Super Stealth is a puzzle. You can get some decent flows from it easier than the Stealth but it's only real purpose seems to come down to it's external looks. It sorta looks stock, you know stealthy, secret, covert, clandestine, furtive. How much is that worth?
To me??? Zero,Zilch,Nada! My question was how much does is cost to prep these heads? Is it worth it? Wouldn't it be better to use an assembled stealth and go from there? 
Cost to prep them, prep them for what? Is it worth it? It depends on what the assembled Stealth head is being used for and what parts you already have on hand. I would rather start with the standard Stealth head.
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Re: 440 Source Super Stealth Heads
[Re: LaRoy Engines]
#1396285
03/04/13 05:45 PM
03/04/13 05:45 PM
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Joined: Oct 2003
Posts: 3,698
NE Oklahoma
Von
master
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master
Joined: Oct 2003
Posts: 3,698
NE Oklahoma
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Quote:
[
I have the Edelbrocks as a little better flowing OOTB and with the same potential as the Stealth when ported.
72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72.
Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.
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Re: 440 Source Super Stealth Heads
[Re: PorkyPig]
#1396288
03/05/13 11:27 AM
03/05/13 11:27 AM
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Joined: Jan 2003
Posts: 75,005
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,005
U.S.S.A.
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Quote:
heyoldguy - You need to post some good pics and detailed runner dimensions like cross-section areas and runner volumes for your ported Stealth heads that make those big #s. You seem to be the only person on the planet who can get that much out of that style of head, which makes it hard for myself (and others, I expect) to believe them.
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Re: 440 Source Super Stealth Heads
[Re: clonedshaker+6]
#1396289
03/05/13 03:15 PM
03/05/13 03:15 PM
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Joined: Jan 2013
Posts: 167
maryland
74yellowduster
member
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member
Joined: Jan 2013
Posts: 167
maryland
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Quote:
does anyone have a picture of the stealth heads next to 906's, 346's, 915's, or any of the good iron heads, im curious to see how "stealth" these heads actually are, i was tossing around the idea of getting the stealth heads that have been ported by modern cylinder head from 440source then getting better locks retainers and springs for my car over the factory iron heads, but the car still needs metal work so the engine combo is undecided besides 440 sixpack but i want as close to factory look as possible, and are these heads even worth getting for that matter 
if you are only using a six pack, then the stealth or super stealth without porting is fine.
if you want race level stuff something fast get better heads, a single plane or tunnel ram and a big single or 2x double pumpers and pack in enough compression to make things happen.
but for street performance with a six pack the stealths are fine.
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Just because they do work for most people and 440 Source ARE GOOD PEOPLE TO DEAL WITH unlike Indy. 
