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TTI Headers Which Gasket? #2914890
04/25/21 07:43 PM
04/25/21 07:43 PM
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OrangeProwler Offline OP
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I was just sitting here thinking about a setup I've got a in 79 D150. It's a got a Magnum swapped in with Edelbrock Cylinder Heads. According to the prior owner they have been ported. With that being said the headers being used are TTI B/E Body headers for a small block application. Seems some people say the TTI gaskets are questionable in quality while others say use Remflex which are thicker and they have gaskets for this application anyways. These look a little thin and trying to determine if I have a leak due to these gaskets anyways. What are your thoughts on the TTI provided gaskets compared the Remflex?

Last edited by RustyMopar01; 04/25/21 09:26 PM.
Re: TTI Headers Which Gasket? [Re: OrangeProwler] #2914953
04/25/21 09:51 PM
04/25/21 09:51 PM
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Eagle, Idaho
Neil Offline
The Doctor is in.
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My experience is that the metal surfaces being smooth and flat determine if a gasket lives or dies more so than the gasket material itself. TTI header flanges are thicker than cheap headers so they should be ok I'd think.

You can always try the Remflex if you need new gaskets. I have no experience with them, but have only heard good things about them so far.

Re: TTI Headers Which Gasket? [Re: OrangeProwler] #2914954
04/25/21 09:56 PM
04/25/21 09:56 PM
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Texas
GoodysGotaCuda Offline
5.7L Hemi, 6spd
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Remflex, nothing else.


1972 Barracuda - 5.7L Hemi, T56 Magnum 6spd - https://www.facebook.com/GoodysGotaHemi
2020 RAM 1500
[img]https://i.imgur.com/v9yezP9.jpg[/img]
Re: TTI Headers Which Gasket? [Re: OrangeProwler] #2914963
04/25/21 10:11 PM
04/25/21 10:11 PM
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Nebraska
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4406bbl Offline
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Originally Posted by RustyMopar01
I was just sitting here thinking about a setup I've got a in 79 D150. It's a got a Magnum swapped in with Edelbrock Cylinder Heads. According to the prior owner they have been ported. With that being said the headers being used are TTI B/E Body headers for a small block application. Seems some people say the TTI gaskets are questionable in quality while others say use Remflex which are thicker and they have gaskets for this application anyways. These look a little thin and trying to determine if I have a leak due to these gaskets anyways. What are your thoughts on the TTI provided gaskets compared the Remflex?


Tti are junk, remflex for 340/360 or magnum may not work, they would not work for me, with edelbrock magnum heads as the head bolt surface relief is way too big right between the 2 center ports, leaving only about 1/8" sealing area. 340/360 headers have a different shape than magnum heads on the bottom of the port, right where the sealing area is small, magnum heads are filled in there, the header port will hang below it. I did not try reflex 318 gaskets, they may work. So far the only gasket I have found that fits this head and header combo with sufficient sealing area is edelbrock 7237. You will need to lay the gasket on the header and grind a little...as the ports are not the same. Stock iron magnum heads are no problem, edelbrock magnum heads are. One other issue at least for me is the header flange are ground so rough I don't think they will seal long term, will be fixing that before I try.





Re: TTI Headers Which Gasket? [Re: 4406bbl] #2914965
04/25/21 10:14 PM
04/25/21 10:14 PM
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UPPER MICHIGAN, MARQUETTE COUN...
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NITROUSN Offline
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None. Ultra copper rtv and never looked back.

Re: TTI Headers Which Gasket? [Re: NITROUSN] #2914968
04/25/21 10:21 PM
04/25/21 10:21 PM
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Nebraska
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4406bbl Offline
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Originally Posted by NITROUSN
None. Ultra copper rtv and never looked back.


You may be right, but how long would that last on a 1/8" sealing area.

Re: TTI Headers Which Gasket? [Re: 4406bbl] #2914970
04/25/21 10:29 PM
04/25/21 10:29 PM
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Originally Posted by 4406bbl
Originally Posted by NITROUSN
None. Ultra copper rtv and never looked back.


You may be right, but how long would that last on a 1/8" sealing area.


The flanges need to be a true as they can be first. Having correctly applied rtv vs a gasket is do difference. If the surface is compromised what sealing method will work.

Re: TTI Headers Which Gasket? [Re: GoodysGotaCuda] #2915030
04/26/21 08:19 AM
04/26/21 08:19 AM
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Central Florida
larrymopar360 Offline
Stud Muffin
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Originally Posted by GoodysGotaCuda
Remflex, nothing else.
Agreed! Nice crushing compound and seal very nicely.


Facts are stubborn things.
Re: TTI Headers Which Gasket? [Re: OrangeProwler] #2915061
04/26/21 09:15 AM
04/26/21 09:15 AM
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Omaha Ne
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TJP Offline
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We have had many combinations come though the shop and IMO the most critical factor is that there is adequate material for compression between the flange weldment and cylinder head surface. IE: if the flange "seal/raised weldment is too small for the port opening it's not going to seal regardless of what you use. The same is true if the weldment in too large for the area it's clamping to on the head.
The weldment should be the same size or slightly larger that the port opening all the way around. The gasket should be completely clamped between the two surfaces with no thinly clamped areas like the corners. Hedman seems to go out of there way to make their weldments as such you can only use their gaskets down flame
If you really want to have fun look at all the different sized / type of openings and gasket offerings for small and BB chevrolets. Then you throw in all the different port configurations offered by different cylinder heads and it's enough to raise Charles Manson form his grave and appear sane. We have had the best luck with the graphite looking gaskets from Fel pro and Mr. gasket.
We also had to make an interface plate using two gaskets in one situation
AND just an FYI: They do sell the material in sheet form should you need to make your own as we have done more than once
beer

Re: TTI Headers Which Gasket? [Re: TJP] #2915069
04/26/21 09:28 AM
04/26/21 09:28 AM
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Niles , Ohio
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therocks Offline
oh wait.but hey.lets see.oh yeah.
therocks  Offline
oh wait.but hey.lets see.oh yeah.
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Niles , Ohio
Bought mine when they were CPPA That was the 90s.Used the cheap gaskets that came with them They were good for like 4 years.Then changed heads.Used Mr Gasket ultras that set lasted like 8 years Only reason they were replaced was head swap. Probally could have reused them as my kid did on his 413 .This last set has been on at least 10 years and still going strong.For the price they cant be beat.Used them on my Jeep and my Mopar SBs also reused a few sets with no problems.Rocky


Chrysler Firepower
Re: TTI Headers Which Gasket? [Re: therocks] #2915095
04/26/21 10:20 AM
04/26/21 10:20 AM
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OrangeProwler Offline OP
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Thank you all. I bought the truck with this combination currently in it. Gaskets look question with the sealing/mating surface so I'm entertaining trying a different gasket.

Last edited by RustyMopar01; 04/26/21 10:23 AM.
Re: TTI Headers Which Gasket? [Re: OrangeProwler] #2915098
04/26/21 10:25 AM
04/26/21 10:25 AM
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St. Charles, MO
wingman Offline
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Another vote for Remflex. They worked for me on cheapie headers when nothing else would.


1969 Dodge Coronet Super Bee 383 A4
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Re: TTI Headers Which Gasket? [Re: wingman] #2915122
04/26/21 11:29 AM
04/26/21 11:29 AM
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Nebraska
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4406bbl Offline
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For the head and header combo you have I have not found a remflex that will work. The hole in the gasket is to big. The only gasket so far that will seal that center port area properly is the edelbrocks. If they ported the exhaust it may be even worse. Tti small block headers do not fit magnum heads exactly right, just make sure you check that area.

Re: TTI Headers Which Gasket? [Re: 4406bbl] #2915141
04/26/21 12:05 PM
04/26/21 12:05 PM
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OrangeProwler Offline OP
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Thank you. I will take a look at the Edelbrock gaskets as well.

Re: TTI Headers Which Gasket? [Re: OrangeProwler] #2915173
04/26/21 12:47 PM
04/26/21 12:47 PM
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north of coder
moparx Offline
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north of coder
no matter what header, gasket, or cylinder head combination, i always cut the flange between the tubes [first, center pair, and last one] then open one of the bolt holes at least two sizes on each tube "flange".
this helps tremendously with gasket, or high temperature RTV sealing. it allows the tubes to move around a little during operation and cooling, thus helping to prevent leaks.
i stole this idea from member Mr. P-Body many, many [did i say many ?] years ago, and it just flat works ! [you still need a good sealing bead on the tubes that is the same, or bigger, than the head opening, as has been brought up previously]
beer

Re: TTI Headers Which Gasket? [Re: OrangeProwler] #2915183
04/26/21 01:07 PM
04/26/21 01:07 PM
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Originally Posted by RustyMopar01
Thank you. I will take a look at the Edelbrock gaskets as well.



Any gasket that lists the port height more than 1.500 is going to get marginal around that center head bolt area. Be careful about what jegs and summit list for size as they are wrong a lot. Go the the manufactures websites. Stay away from any gasket that has an o-ring around The port, it will land off The head. The trick flow small block heads have this smaller raised exhaust port but have a ton of material left around the center head bolt hole, edelbrock kinda screwed this up, no reason for it. I have welded on the headers to make it fit better... what the bottom really needs is the head welded to get more sealing surface.

Re: TTI Headers Which Gasket? [Re: 4406bbl] #2915198
04/26/21 01:30 PM
04/26/21 01:30 PM
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Central Florida
larrymopar360 Offline
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Originally Posted by 4406bbl
For the head and header combo you have I have not found a remflex that will work. The hole in the gasket is to big. The only gasket so far that will seal that center port area properly is the edelbrocks. If they ported the exhaust it may be even worse. Tti small block headers do not fit magnum heads exactly right, just make sure you check that area.
I ran TTI headers on my magnum 360 crate engine with remflex gaskets for years/60k miles and not issues. shruggy


Facts are stubborn things.
Re: TTI Headers Which Gasket? [Re: larrymopar360] #2915281
04/26/21 03:26 PM
04/26/21 03:26 PM
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Keymar, MD
DusterKid Offline
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I used the Mr Gasket Ultras on my car for the last 8 or so years. Even reused them a couple times when I changed or freshened up the engine. I put my hooker fender well headers back on to see if the car would pick up and ended up having header leaks. TTI has the nice thick flange and are one of the easiest headers to keep sealed that I've used.

Last edited by DusterKid; 04/26/21 03:27 PM.
Re: TTI Headers Which Gasket? [Re: DusterKid] #2915288
04/26/21 03:32 PM
04/26/21 03:32 PM
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Tulsa OK
Bad340fish Offline
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I have been very pleased with the TTI gaskets. I have had one leak in 6 years. I have re used the one on my passenger side many times due to transmission trouble I had for awhile requiring frequent trans removal(and passenger side header).


68 Barracuda Formula S 340
87 "Chrysler" Conquest
Re: TTI Headers Which Gasket? [Re: larrymopar360] #2915311
04/26/21 04:16 PM
04/26/21 04:16 PM
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Nebraska
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Originally Posted by larrymopar360
Originally Posted by 4406bbl
For the head and header combo you have I have not found a remflex that will work. The hole in the gasket is to big. The only gasket so far that will seal that center port area properly is the edelbrocks. If they ported the exhaust it may be even worse. Tti small block headers do not fit magnum heads exactly right, just make sure you check that area.
I ran TTI headers on my magnum 360 crate engine with remflex gaskets for years/60k miles and not issues. shruggy


An iron head crate engine? I would believe that. The edelbrock heads are the problem.







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