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Author
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Topic: Gasket on headers?
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662+2
Gearhead Posts: 141
From: Ontario, Canada
Registered: Jan 2003
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posted 03-25-2003 11:33 AM
   
What is the best gasket to use on my headers or should I use something else?
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rockafellz
Gearhead Posts: 1426
From: San Lorenzo, CA, USA
Registered: Aug 2001
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posted 03-25-2003 12:12 PM
Mr. Gasket!!  Recommended here and I'll vouch for it too!! Erik ------------------
1966 Ford Mustang 2+2
Mine - Restomod in Progress 1966 Ford Mustang Coupe
Dad's - Original Unrestored
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Ryan Wilke
Gearhead Posts: 2125
From: Stanton, Michigan 49707
Registered: Oct 2000
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posted 03-25-2003 12:15 PM
I'd just use a standard Fel-Pro or Mr. Gasket header gasket that you can pick up at your local parts store. Some folks claim they have good luck with only using Hi-Temp silicone, but I'm more comfortable using a gasket.
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RonnieT
Gearhead Posts: 835
From: Port Allen, La. 70767
Registered: Jun 99
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posted 03-26-2003 08:04 PM
I tried the standard Mr Gasket header gaskets on my 351W and had leaks. I finally got the leaks to stop when I put a set of aluminum gaskets with grafoil inserts in them, I think they were made by Earls. I had replaced the gaskets 3 times prior the this and all of them had leaked. I am running World Product heads, so this may be part of the problem.------------------
Ronnie
69 mach1 351W-4V engineless at the time!
70 Torino GT 351C-4v with a "shaker"
Mustangs and More Member #23
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V8 Thumper
Gearhead Posts: 4413
From: Phoenix, Arizona
Registered: Dec 2001
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posted 03-26-2003 08:12 PM
Mr. Gasket 'Ultra Seal'. The BEST header gaskets you can buy! Only $16-18 a set, so they won't set you back either  ------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html
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bfxcomet
Gearhead Posts: 688
From: Port Alberni, B.C. , Canada
Registered: Mar 2001
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posted 03-27-2003 03:09 PM
My friend who owns a muffler shop told me use tremcald roofing tar on cheap gaskets and it works. No leaks and I had the heads off and reuses the gaskets.
Roger------------------
65 comet project
84 T-bird 302/C4 14sec street/strip
Made in CANADA built for speed
#1145
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Moneymaker
Administrator Posts: 26513
From: Lyons, IL, USA
Registered: May 99
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posted 03-27-2003 03:26 PM
quote:
Originally posted by V8 Thumper:
Mr. Gasket 'Ultra Seal'. The BEST header gaskets you can buy! Only $16-18 a set, so they won't set you back either
YUP! ------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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johnmustang
Gearhead Posts: 5939
From: British Columbia , Canada
Registered: Nov 2001
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posted 03-27-2003 03:35 PM
quote:
Originally posted by V8 Thumper:
Mr. Gasket 'Ultra Seal'. The BEST header gaskets you can buy! Only $16-18 a set, so they won't set you back either
Also spray the gasket with silver high temp casting paint, spray liberally and wait for 5 minutes then install. You will never have a leak. JOHN ------------------
65 2+2 FASTBACK
87 TAURUS WAGON
98 F150 XLT TRITON V8 4.6, 4 WHEEL DRIVE
Member:Vancouver Island Mustang Association
M&M #1710
MyPhotoPage
MY TRUCK
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bluestreek
Gearhead Posts: 1724
From: Athens,GA
Registered: Jul 2001
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posted 03-27-2003 06:41 PM
Don't expect the gaskets to perform miracles. Sometimes the flange face is welded in the wrong spots and may not even contact the gasket in some spots. It's always a good idea to lay the gaskets on the flange, line up the bolt holes, and check closely for fitment before putting them on. It can save a lot of future headaches. ------------------
1966 Mustang Coupe: Custom glass hood and BIG scoop sits atop a 289 stroked to 331 c.i., Steel crank and girdle, 5.4 H-beams, Forged slugs, TFS alum. heads, ported Stealth 8020 intake, Xtreme 274 Solid Roller, Holley 750 HP, long tubes, 4speed, 9" 3.50 posi.
2nd pass: 12.11 @ 114 mph
DanH
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Moneymaker
Administrator Posts: 26513
From: Lyons, IL, USA
Registered: May 99
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posted 03-27-2003 06:43 PM
Actually, if the surfaces are flat, you don't need any gasket at all.
On street cars I always use gaskets.
On MM and Tony's Capri we use only high heat silicone.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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Capri
Gearhead Posts: 1483
From: Lyons, ILL, USA
Registered: May 99
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posted 03-27-2003 07:24 PM
We have also tried a set of gaskets from ROL in the past. They seem to get brittle easily and fall apart. The latest and gratest other than the MR G is from Flat Out Racing gaskets. We have a set of those on the convert right now and they seem to be holding up very well. We shall see how well they do when we have to tear it down for the record.Something of note that Dad didnt mention. When you set the gasket on your cylinder head, make sure there is not alot of excess gasket material blocking the opening of the port. If so, trim it out of the way as some gaskets are not made large enough. ------------------
Tony Denysenko
O/SA 3302
86 Mercury Capri
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mustangboy
Gearhead Posts: 833
From: Ont, Canada
Registered: Mar 2002
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posted 03-27-2003 07:45 PM
Make sure the mating flange is nice and flat like bluestreek said.Sometimes if its warped your better off to cut it in between the pipes so each pipe can seal individually.On the collector end make sure you don't overtighten the bolts as the rings are easily bent on most headers.------------------
1968 mustang j-code sprint.13.69@101 306cu.in, stock ported heads,weiand exellerator,650 holley DP,hedman hedders,comp 292 Magnum cam,4-speed,8 inch 4.11 detroit locker http://mustangsandmore.50megs.com/MembersPics/mustangboy.html
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n2oMike
Gearhead Posts: 2499
From: Spencer, WV
Registered: Jan 2001
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posted 03-27-2003 09:42 PM
Fel-Pro #1415 have nice BIG openings, and hold up well. They aren't the cheapest out there, but I've had good luck with them. ------------------
Mike Burch
66 mustang real street
302 4-speed 289 heads
10.63 @ 129.3
http://www.geocities.com/carbedstangs/cmml_mburch.html
http://www.fortunecity.com/silverstone/healey/367
http://www.mustangworks.com/cgi-bin/moi-display.cgi?220
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Moneymaker
Administrator Posts: 26513
From: Lyons, IL, USA
Registered: May 99
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posted 03-28-2003 12:47 AM
I love most Fel-Pro stuff, but....I must say that we have tried every brand of header gasket out there at least once and by far the worst quality are the Fel-Pros.
The ports are indeed the most generous sized, but if you do choose to use the Fel-Pro header gaskets better buy two sets as you'll be replacing them soon.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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popeye
Gearhead Posts: 247
From: Dixon, IA USA
Registered: Dec 2002
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posted 03-28-2003 01:58 AM
Mr Gasket Ultra Seal gaskets work great on my World Product heads and Hooker Super Comp headers.They have never leaked and are re useable too.In the past we also used other brands,soaked them in water before putting them on and they held up great! ------------------
This is FORD COUNTRY, where on a quiet night, you can here a chevy rusting
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Mario428
Journeyman Posts: 76
From: Charlottetown, PEI, Canada
Registered: Nov 2001
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posted 03-28-2003 06:34 AM
SCE copper is what I use. With my home made twisted non-flat headers they seal the best of any I have tried.
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662+2
Gearhead Posts: 141
From: Ontario, Canada
Registered: Jan 2003
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posted 04-01-2003 10:09 AM
Thanks everyone
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Tea'sGrabber
Gearhead Posts: 276
From: Seattle, Wash.
Registered: Feb 2003
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posted 04-01-2003 10:16 AM
ULTRA SEALS!!!!! Mine have been there for 5 years....------------------
Todd 71 Mav Grabber All orig 306 cu.in. Cast Iron heads. Carillo Rods.Best et. 10.71 @ 124 thru the mufflers.
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Skeeter
Gearhead Posts: 160
From: California
Registered: Dec 2001
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posted 10-19-2003 01:12 PM
I am having problems fitting my Ultra seals on my Dart sr with Super Comp headers.
The gasket interfers with the spark plugs. I will not be able to get the plugs out with out shaving a bit of the corners of the gasket. What is going on???Thanks,
Jason
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