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PostPosted: Fri Jul 11, 2025 6:05 am 
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TBI Slant 6

Joined: Sat Jul 13, 2013 9:17 am
Posts: 120
Location: Denver, CO
Car Model: '70 Barracuda /6 3spd
What is the current good gasket set? I see a few brands, felpro seems to be one of the go-to's but I just want to make sure I'm buying quality before putting things back together

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1970 Barracuda 225 /6, 3spd on the floor, Blue/Blue


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PostPosted: Fri Jul 11, 2025 11:47 am 
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Turbo Slant 6

Joined: Tue Mar 11, 2003 11:47 am
Posts: 582
Location: Illinois
Car Model:
depends on the gasket. If you want a headgasket you will want to choose the thickness that you need to achieve the compression that you want. Remflex is often the preferred brand for the intake/exhaust gasket but won't show up in any kit. Do you want a cork or rubber valve cover gasket, I believe someone even made silicone VC gaskets at one point. The valve cover gasket choices may change depending on if you are installing a more rigid aluminum valve cover.

I suspect felpro will be one of the only brands offering a full gasket set for the slant six, just be aware that felpro's quality has dropped in recent years along with almost every other brand.


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PostPosted: Fri Jul 11, 2025 3:14 pm 
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Supercharged
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Joined: Sun Nov 03, 2002 9:20 pm
Posts: 13191
Location: Fircrest, WA
Car Model: 76 D100
Run what you can find.

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Casually looking for a Clifford hyperpak intake for cheap.


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PostPosted: Fri Jul 11, 2025 6:12 pm 
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TBI Slant 6
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Joined: Sat Sep 28, 2013 1:01 pm
Posts: 134
Location: Woodland CA
Car Model: 1962 Dodge Lancer
Felpro for everything other than intake/exhaust and hotbox gaskets which should be remflex. I’ve never had an issue with felpro gaskets. I usually don’t use the head gaskets that come in the “kits” when building V8’s, but I do for the slant.


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PostPosted: Fri Jul 11, 2025 6:28 pm 
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TBI Slant 6

Joined: Sat Jul 13, 2013 9:17 am
Posts: 120
Location: Denver, CO
Car Model: '70 Barracuda /6 3spd
Great info, thanks team! I ordered the felpro set and the remflex

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1970 Barracuda 225 /6, 3spd on the floor, Blue/Blue


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PostPosted: Sat Jul 12, 2025 5:56 am 
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Supercharged
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Joined: Wed Oct 12, 2005 9:00 pm
Posts: 2992
Location: kankakee IL
Car Model: 80 volare, 78 fury 2 dr, 85 D150
Look on eBay. You'll find Victor, rol, Detroit gasket and more.
On newer stuff lately I've had 2 instances where the fel pro hasn't sealed and I've gotten the victor reinz and much better job of sealing. Most recent was the intake plenum on a 360 magnum in my Durango, ever since I put the fel pro in its drank oil a quart every 1200 or so, I redid it with the victor and put the first quart of oil to top off in at 3k miles and it wasn't quite the whole quart down... Some of fel pro's material is just too hard to expect it to seal.


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PostPosted: Mon Jul 14, 2025 4:08 am 
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Board Sponsor & Moderator
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Joined: Mon Oct 21, 2002 11:08 am
Posts: 17006
Location: Blacksburg, VA
Car Model:
I have nearly always used Felpro gasket sets. I have not gotten a bad kit yet for the Slant, but it's been a few years since I ordered one. Agree on the remflex for int/exh gasket.

Lou

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Home of Slant6-powered fun machines since 1988


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