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01-01-2010, 07:12 PM
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#1 |
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Badass
Join Date: Jan 2009
Location: lox. fl
Posts: 4,586
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header gaskets
copper or paper????
i just put on some headers and i got copper ones and they leak like crazy! but i allways hurd that copper was the better of the 2??
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Think outside the box? -84c10 (1stcar)→My Build←  -00 Saturn 5spd drop a gear and disappear! 1/4:13:90 
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01-01-2010, 07:15 PM
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#2 | |
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At the body shop.
Join Date: Aug 2009
Location: Land of fruits and nuts.
Posts: 5,192
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Re: header gaskets
Quote:
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" That didnt make it any newer " " Dont antique the equipment " |
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01-01-2010, 08:14 PM
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#3 |
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Watchin the rust grow
 
Join Date: Oct 2008
Location: Western Nebraska
Posts: 950
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Re: header gaskets
My soft gaskets from NAPA have done just fine, very small leak on the drive side.
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1979 Chevy K10 (H/D Front end) - 350 w/ Holley Truck Avenger, Weinald Intake manifold, headers, bored .060 over, mild cam, Built up TH350 (TranStar Shift kit) with a part-timed NP203 t-case SOLD ($3,000) 1997 Chevy Silverado 1500 - 4.3 vortec, extended cab, 21 highway MPG, stock. "Red" SOLD ($3,000) 1987 Toyota 4wd Pick-up - work in progress, future DD SOLD ($1,850) 1998 Dodge Ram 2500 Cummins 5spd Quad cab - old 12 valve with some work done  2004 Chevy Silverado - Black, 4x4, 5.3L, stock for now Underneath that rust is a heart of gold
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01-01-2010, 09:00 PM
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#4 |
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Parts and more parts
Join Date: Nov 2003
Location: Lebo, Kansas (middle of nowhere
Posts: 6,821
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Re: header gaskets
I use exhaust header gaskets from FELPRO for my headers. I coat them with Coppercoat sealant and let it skim over, before I put them on. I then use teflon tape on my header bolts and that way they do NOT back out. The bolts hold until you take them out and then you just put on new tape for the next time you put them in. I have been doing this for years and have not had a gasket leak on any of my trucks. (3 trucks and 2 cars with headers installed)
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Frank |
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01-01-2010, 09:01 PM
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#5 |
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I know the pieces fit
Join Date: Nov 2007
Location: MONTGOMERY, AL
Posts: 5,523
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Re: header gaskets
Last time I had headers on a K5, they blew the cheap Mr. Gasket set regularly and I got tired of changing them. I called the Summit Tech line and explained my problem and asked what to buy. He said Felpro's best would do the job, I think they were 'blue permas' or something like that. I ran that truck another seven or eight years without a header leak.
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01-01-2010, 09:19 PM
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#6 |
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Senior Member
Join Date: Apr 2000
Location: Delta,Pa
Posts: 14,950
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Re: header gaskets
I always run felpro header gaskets. tighten them down the first time let it go through a few heat cycles re-tighten and your done. i have had the same gaskets for years with thin flange dynomax headers
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Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member. |
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01-02-2010, 12:35 AM
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#7 |
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Registered User
Join Date: Mar 2009
Location: TN
Posts: 410
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Re: header gaskets
I think copper is better when sealing against an aluminum head. The standard ones I let soak in water, torque on, then like others mention tighten again after a few heat cycles.
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'69 Dodge Charger R/T 440, 727, 3.55 Sure Grip '68 Plymouth Road Runner 383, 727, 3.23 Sure Grip '89 Dodge Diplomat ex cop car 408, 727, 3.55 Sure Grip '77 Dodge Monaco ex cop car 440, 727, 2.71 '79 Dodge 'Lil Red Express pickup 360, 727, 3.55 Sure Grip '12 Dodge Challenger SRT8 392, M6, 3.92 '85 Chevrolet C-10 SWB 2wd 305, TH350, 2.73 |
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01-02-2010, 12:52 AM
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#8 |
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Registered User
Join Date: Dec 2009
Location: Milton, FL
Posts: 733
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Re: header gaskets
I don't use header gaskets, had too many leak when we raced. Used 'em all from the high dollar fel pro's to the cheapy ones from the parts house. Started using red silicone, haven't had one leak yet.
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