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3Likes
06-27-2014, 05:56 AM
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Club Cobra Member
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Join Date: Feb 2003
Location: Houston,
TX
Cobra Make, Engine: Kirkham/Southern 427 SO finally on the road
Posts: 508
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Not Ranked
which intake manifold gasket for 427 SO?
Gotta leak from the intake manifold on my 427 SO. Is there an intake gasket that's best here? Any "pearls of wisdom" for the install? thanx steve
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steve meltzer
"I may be wrong, but I'm never in doubt"
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06-27-2014, 06:26 AM
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CC Member
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Join Date: May 2014
Location: Big Apple,
ny
Cobra Make, Engine: Nissan
Posts: 606
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Quote:
Originally Posted by steve meltzer
Gotta leak from the intake manifold on my 427 SO. Is there an intake gasket that's best here? Any "pearls of wisdom" for the install? thanx steve
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"pearls of wisdom" advice- take your car to Kirkham for a complete maintenance service.
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The wise man’s life is based around, Fudge You.
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06-27-2014, 08:28 AM
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Join Date: Oct 2003
Posts: 4,078
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FelPro 1247S-3. You can get them from Barry.
Thin film of Motorcraft gray between head and gasket and around water ports on both sides. Center the distributor carefully. Torque bolts from centers out-don't kill them. Piece of cake.
Don't take 'pearls of wisdom' from a guy that drives a Nissan Leaf.
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Chas.
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06-27-2014, 08:34 AM
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Club Cobra Member
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Join Date: Feb 2003
Location: Houston,
TX
Cobra Make, Engine: Kirkham/Southern 427 SO finally on the road
Posts: 508
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Not Ranked
NY guy... here's a "pearl" for you: if you have no real constructive advice, which apparently you don't, save the band with. Most of us don't have an the extra $10-15K (with shipping) to do a job that involves a $10 gasket and a few hours of the labor love. Do they change your oil, too?
Chas...thanx for the advice I wanted.
steve
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steve meltzer
"I may be wrong, but I'm never in doubt"
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06-27-2014, 09:20 AM
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CC Member
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Join Date: Apr 2012
Posts: 13
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I did mine a few weeks ago, followed Chas advice, worked like a charm.
I let mine sit overnight for at least 12 hours for curing purpose before adding water and lighting her up.
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06-27-2014, 09:23 AM
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CC Member
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Join Date: Jan 2011
Cobra Make, Engine: Hi-Tech
Posts: 716
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100% agree with Chas - that is exactly what I did (after having leaks with two other alternatives) and it worked perfectly - no leaks. As an added bonus, the grey Motorcraft sealer actually matches the color of the aluminum intake manifold pretty well.
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06-27-2014, 10:06 AM
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Club Cobra Member
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Join Date: Feb 2003
Location: Houston,
TX
Cobra Make, Engine: Kirkham/Southern 427 SO finally on the road
Posts: 508
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Thanx again guys. Is the Motorcraft gray the same as the Permatex Ultra Gray? thanx agin. s
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steve meltzer
"I may be wrong, but I'm never in doubt"
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06-27-2014, 10:21 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: 4,480
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Quote:
Originally Posted by NewYorkGuy
"pearls of wisdom" advice- take your car to Kirkham for a complete maintenance service.
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Wouldn't that be like a 2000 mile round trip just to change an intake manifold gasket.
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06-27-2014, 10:47 AM
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CC Member
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Join Date: Oct 2003
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Quote:
Originally Posted by steve meltzer
Thanx again guys. Is the Motorcraft gray the same as the Permatex Ultra Gray? thanx agin. s
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No Steve it's not. It's better for our application than the Perm.
Another tip for the ultra anal like me; I made a simple 'clamp' out of right angle stock from garage door track hangers. After adhering the gasket to the head using a couple of bolts to center them in place, clamp them with short bolts a few hours or overnight, as Tedster did. No gaskets squishing out of place when the intake comes down and full contact with the RTV.
http://
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Chas.
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06-27-2014, 01:17 PM
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Join Date: Apr 2012
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Actually it's Motorcraft TA-31 , you can get it at any Ford dealership over the parts counter. Just make sure to check for the expiry date on the tube, most of those parts counter guys are unaware of the shelf life.
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06-27-2014, 01:17 PM
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Senior Club Cobra Member
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Join Date: Feb 2005
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Here's another gasket option. I've used them for several years. When I've removed the intake there has been no evidence of leaking or gasket "walking".
Keith Craft uses and sells a COMETIC gasket that Keith must have spec'd to some degree. I'm holding an unused set of these gaskets as I type this. It is sealed in COMETIC packaging and shows this part # info.
FORD KC FE2 KEITH CRAFT
.060" KF INTAKE GASKET
IR797060KF
David
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06-27-2014, 01:39 PM
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Also a good piece David. Barry also spec'd the 1247S-3 with FelPro-he used to work there.
I see the KC part is .060 when I think the Fel is .047...
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Chas.
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06-27-2014, 02:51 PM
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CC Member
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Join Date: Feb 2009
Location: Greer,
SC
Cobra Make, Engine: ERA #778 427SC Keith Craft FE 428 stroker
Posts: 243
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i had problems with the Cometic from KC. Wrinkled up and exposed ports. Lucky oil and water didn't mix! I used a NAPA gasket set that is metal re-inforced. Sorry I don't have the number.
The right angle metal idea above is a good one. I let my gaskets cure overnight before torquing down, too.
Hal
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06-27-2014, 07:00 PM
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Senior Club Cobra Member
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Join Date: Sep 2000
Location: Holderness, NH, US of A,
NH
Cobra Make, Engine: CSX 4772 old iron FE
Posts: 5,499
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I believe any steel core one is the way to go. The FelPro these guys recommend is the way to go. The sealant is for Ford diesel engines and works really well. The end gaskets I have done with either a good bead of the Motorcraft or a smear of it on the cork gaskets. Check how big the end gaps are before you decide which way to go. I let them and the intakes set up good in position before dropping the manifold on.
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06-28-2014, 04:49 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
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Cobra Make, Engine: I'm Cobra-less!
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Gotta figure out which heads you have first before you can start picking gaskets out.
Low riser? Medium riser? High riser? Tunnel port?
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www.lykinsmotorsports.com
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06-29-2014, 01:54 PM
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Club Cobra Member
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Join Date: Feb 2003
Location: Houston,
TX
Cobra Make, Engine: Kirkham/Southern 427 SO finally on the road
Posts: 508
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WOW! thanx for all of the info. I ordered the Fel Pro, but I can return it to Summit. The heads are Edelbrock medium rise and the intake is the dual plane Aluminum Edelbrock RPM, 7015.
Edelbrock recommends their intake gasket, also .060, #7224. I thought that they always recommended their own stuff, but for the single plane intake, they recommended the FelPro we've been discussing. Not sure which to use now. thanx. steve
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steve meltzer
"I may be wrong, but I'm never in doubt"
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06-29-2014, 04:35 PM
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Steve-use the 1247S-3 or you'll have leaks eventually.
You wanna do this every year?
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Chas.
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06-29-2014, 07:01 PM
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Club Cobra Member
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Join Date: Feb 2003
Location: Houston,
TX
Cobra Make, Engine: Kirkham/Southern 427 SO finally on the road
Posts: 508
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Thank you so much! should be here Tues. Nice 4h of July project. s
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steve meltzer
"I may be wrong, but I'm never in doubt"
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06-29-2014, 08:19 PM
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CC Member
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Join Date: Mar 2007
Location: Waco,
TX
Cobra Make, Engine: Lone Star Classics / Roush 427 SR
Posts: 280
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I guess I missed something. How did all the recommendations take place when the head and intake type were never mentioned until after the recommendations were made ? I'm with you Brent ??????
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Roush #1
Lone Star Classics
Roush Edition #01
Roush 427 SR #444
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06-30-2014, 07:23 AM
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Club Cobra Member
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Join Date: Feb 2003
Location: Houston,
TX
Cobra Make, Engine: Kirkham/Southern 427 SO finally on the road
Posts: 508
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Not Ranked
With the total info available, any change in recs? thanx steve
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steve meltzer
"I may be wrong, but I'm never in doubt"
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