What Header Gaskets Do I Use??? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 16 Old 07-09-2009, 09:40 PM Thread Starter
 
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What Header Gaskets Do I Use???

i got a ponydown hotside kit going on my 351w what is the best header gasket to use? I have read that most people are just using a rtv silicone is this true? If so what kind do i want and how much do i apply?

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post #2 of 16 Old 07-09-2009, 10:25 PM
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Rtv silicone, It's gold or red looking. Just enough so it starts sqeezing out when you torque the header bolts.


Stock block, GT40 heads, Explorer intake, 67mm, 10lbs, 431HP 497TQ on 110 octane. 12.01 @ 123
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post #3 of 16 Old 07-09-2009, 10:30 PM
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RTV hi-temp copper
I put a fat bead down and let it get tacky/slightly pruned looking and then install.
I may have used too much last time I wrapped my headers but it didn't leak and cleans up easy.
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post #4 of 16 Old 07-09-2009, 11:18 PM
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copper silicone, never had it leak and have done multiple turbo cars
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post #5 of 16 Old 07-10-2009, 07:54 AM
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Quote:
Originally Posted by jturmanator View Post
Just enough so it starts sqeezing out when you torque the header bolts.
Red hi-temp RTV on mine.

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post #6 of 16 Old 07-10-2009, 08:42 AM
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Hi temp copper RTV on mine

1986 Mustang GT
306 E303, TEA 185 TW, Quicktime Turbo 67mm, Redneck C4 15lbs boost
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post #7 of 16 Old 07-10-2009, 12:33 PM
 
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I don't mean to be a dick, but if this was a sticky would anyone read it? I'm not on this site much, mainly turbo mustangs but geez. This question comes up at least once a week. Someone should do a write up with pics.
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post #8 of 16 Old 07-11-2009, 09:52 PM
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rtv for me
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post #9 of 16 Old 07-13-2009, 12:40 AM
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I used a regular gasket and it's leaking now!! I'm going with the copper rtv recommended by a good friend who has built a few trubo cars last year. He said he's never had a problem with it...

86 Coupe, 524rwhp 597rwtq, MMR 900 5.4, DSS 2v cnc ported heads with Precision 76mm, , tremec 3550, 3.27's, TEAM Z, Maximum Motorsports, Bilstein
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post #10 of 16 Old 07-13-2009, 11:39 AM
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Has anyone ever tried a carbon gasket (or one with carbon inserts)? This was recommended to me, and I'm going to give it a shot.

I found these on Summit... http://www.summitracing.com/parts/PH...4/?image=large


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post #11 of 16 Old 07-13-2009, 11:52 AM Thread Starter
 
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let me know how they work out. If not good i will just use the rtv like everybody else is doing and saying works fine.
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post #12 of 16 Old 07-13-2009, 05:23 PM
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Hold up... Are you guys just running straight rtv? no gasket all?
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post #13 of 16 Old 07-13-2009, 07:04 PM
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remflex gaskets have got some really good feedback on turbo setups. If you aren't confident that your headers are perfectly flat, then get a remflex. They can only be used once, though.
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post #14 of 16 Old 07-13-2009, 10:38 PM
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Quote:
Originally Posted by Shanenindy View Post
Hold up... Are you guys just running straight rtv? no gasket all?
Yessir, no gasket, only thing in between the head and header is the rtv.....I'll be doing the same, seems to be the best idea unless you have some warped header flanges or something then I would try remflex or some kind of deadsoft aluminum gaskets

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post #15 of 16 Old 07-13-2009, 11:53 PM
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Quote:
Originally Posted by 357poweredstang View Post
Yessir, no gasket, only thing in between the head and header is the rtv.....I'll be doing the same, seems to be the best idea unless you have some warped header flanges or something then I would try remflex or some kind of deadsoft aluminum gaskets
If your flanges are warped, take the headers to a machine shop and have them trued....

Then, use some copper silicone!
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post #16 of 16 Old 07-15-2009, 10:21 AM
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I'm running felpro composite gaskets w/ ARP header studs.... get some studs, they're cheap and work great.

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