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 6Likes
07-25-2013, 07:30 PM
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Banned
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Join Date: Dec 2002
Location: New Jersey,
N.J
Cobra Make, Engine: Shelby Cobra CSX4206 aluminum body, original 1965 NASCAR 427 SO, Dual quads.
Posts: 3,897
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Not Ranked
Never said the CO wasn't reliable. However, you cant just say a "427 is a 427".
The are significant differences between the CO and the SO both in design, durability and value and desirability. To deny this fact you have to be "smoking" something . The number of NASCAR races won in '63 or '64 is irrelevant to the Cobra discussion.
It was the SO that was put into comp 427s and SCs. Site me one comp 427 or SC or GT40 MK II of IV that raced with a CO. They could have used CO but didn't and they didn't for good reason.
The SO is the brass ring for BB 427s unless you are restorinng an orig street car that had a CO and you want the car as it was originally built.
Very simply the line of guys Willing to trade an SO for a CO is pretty short all things equal.
And yes, when guys who have even modest knowledge about Cobras ask if "it's a 427" they likely are asking if its a real SO. That's been my experience over the past 16 years.
__________________
U.S. Army Rangers. Leading travel agents to Allah.
Last edited by REAL 1; 07-25-2013 at 07:35 PM..
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07-26-2013, 06:13 AM
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CC Member
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Join Date: Nov 2001
Location: Windham,,
Me
Cobra Make, Engine:
Posts: 1,590
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Not Ranked
One thing is for certain reading all these posts some of you are very dedicated to the differences in these FE 427's.That's a good thing a lot us us have our favorites it should be this way.Bottom line is what works for some may not work for others.In all my years working with hot rodders have found that some border on fanatical when it comes to their dedication to a certain product.Have to say I was for a while with BB Chev's till I started getting serious about the Blue Oval over 20 yrs ago.Now realize all manufactors have their strengths and weaknesses.My dedication lies now in getting all that is possible from what I presently own.
Keep in mind there will always be someone out there that is just a little quicker or faster no matter what the prefix of the power plant is.That alone is the equalizer.
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07-26-2013, 09:19 PM
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CC Member
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Join Date: Jun 2013
Cobra Make, Engine:
Posts: 72
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Not Ranked
Who would have guessed so much talk from a simple question?
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07-27-2013, 05:15 AM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,533
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Not Ranked
Quote:
Originally Posted by diverrick
Who would have guessed so much talk from a simple question?
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A subject can certainly be beaten to death on this forum. Opinions are cheap since there are so many of them around. I'm just surprised Patrick hasn't joined in. |
07-27-2013, 05:44 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: 22,025
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Not Ranked
Quote:
Originally Posted by DanEC
A subject can certainly be beaten to death on this forum. Opinions are cheap since there are so many of them around. I'm just surprised Patrick hasn't joined in.
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I don't have a 427. But I did use a coupon for roller casters and put them in 2 x 10's so I can push my ERA around in the garage.  Maybe I'll start a thread on that... maybe I can make fun of RodKnock at the same time. Yeah, that would be a way for him to take his car for a ride and never leave the garage.  |
07-28-2013, 05:47 AM
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CC Member
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Join Date: Nov 2001
Location: Windham,,
Me
Cobra Make, Engine:
Posts: 1,590
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Not Ranked
A 61 Starliner at the time I thought they were ugly (looked unsafe with flimsy roof columns) funny how they grow on you.A lot of the old cars at that time I thought were not for me,today would love to own one.Will never forget the Dodges with crossrammed 413's.We just sold a 69 SS Chevelle after owning it for over 30 yrs.
This could be a story in itself.
Sorry got off track
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07-28-2013, 06:01 AM
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CC Member
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Join Date: Oct 2003
Location: Louisville,
KY
Cobra Make, Engine: SPF MKIII, SPO2891, SPO1649
Posts: 517
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Not Ranked
I don't have either
I don't have a S/O nor a C/O but I stayed at a Holiday Inn last night.
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08-16-2013, 08:53 PM
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CC Member
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Join Date: Jun 2013
Cobra Make, Engine:
Posts: 72
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Not Ranked
So, is there issues with marrying a aluminum head with a steel block? Seems that it might be a built in battery.(Dissimilar metals with fluids)
I recently had the pleasure of removing my Subaru engine TWICE, due to the incorrect head gaskets used during production.
Lucky it was covered.. Both times.
They installed an inappropriate gasket material at the factory.
I would think aluminum would expand and contract at a far different rate than steel.
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08-17-2013, 05:48 AM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,533
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Not Ranked
It's become such a common practice for over 40 years now that I think any major problems would have long ago surfaced. I based that on the L88 Chevy but I believe Ford produced a few aluminum heads in the 60s also. There are some adjustments that have to be made - I have to adjust the solid lifter valves on my aluminum head 427 66 Corvette differently due to different expansion coefficients. Occassionally you will hear about a head gasket failure - but that goes for iron head motors also.
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