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Intake Manifold Gaskets

Posted By Outlaw56 11 Years Ago
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Outlaw56
Posted 11 Years Ago
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Jeff, are you saying you used the permatex II on the entire gasket, both sides?

Darrell Howard Whitefish, MT Outlaw 56 Ford F-100's
Outlaw56
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Paul, I think if you used rivets thru the metal and thru the gasket material, it might intefere with the seal of the manifold. However, if you used the rivets thru the "donut hole" of the gasket (sandwhiching the gasket with two metal gaskets), the rivets would be in the openings of the manifold and head ports. Does that make sense? Im not sure how he was going to use rivets, but thats how I would use them.

Darrell Howard Whitefish, MT Outlaw 56 Ford F-100's
DualQuad312
Posted 11 Years Ago
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Hi Darrel,
 I, used the optional truck gaskets for a 3 of yrs. I, had no trouble with the paint burning off the manifold. I, do recommend using Permatex II non-hardening around the coolant passages on both sides of the gaskets and the same where the gaskets meet the head and intake manifold.....

Best Regards,
Jeff
paul2748
Posted 11 Years Ago
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I've used the 292 truck gaskets in my 56 Bird.  Drove the car to CA via OR and back (NJ) and got almost zero burn on the intake, in fact if you really can't see it unless you are really looking for it.

One person suggested rivets.  I  can't believe this will work without leaking


54 Victoria 312;  48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ

Talkwrench
Posted 11 Years Ago
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As Charlie said...

http://forums.y-blocksforever.com/Uploads/Images/02c74785-3ce2-4b80-a66c-f31f.jpg

"Came too close to dying to stop living now!"
Outlaw56
Posted 11 Years Ago
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Ok Thanks Charlie, will look for those! Im gonna owe your for every time you bailed me out.

Darrell Howard Whitefish, MT Outlaw 56 Ford F-100's
charliemccraney
Posted 11 Years Ago
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I'm talking about the ones with the small hole in them.  1/2" sounds about right.

I use silicone around the water passage.  Thread sealant is different and specifically for threaded components.  Anti seize is not thread sealant.  They are all found in the same section at the parts store.


Lawrenceville, GA
Outlaw56
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Charlie, by unrestricted gaskets, you mean the 292 HD truck gaskets with the 1/2" hole in the middle? I do have a set of them but I also have two sets of the stock ones with no restrictions. I was thinking I would use save my set of HD's for the 292 rebuild and use a set of the stock ones on this other project. Its a 272 tear down, clean, and paint. Probably short term with no rebuild but want the truck on the road so I can get to my other ones. Just thinking of a way for members who already have the stock gaskets laying around as an option if they want the benefits of the 292 HD (but want to use what they have).

Water holes? Any hole that is not threaded?  Is there a dfiierence between sealant and thread sealant? Are you talking two different sealants? Is anti sieze considered  sealant?  I am talking cast iron to cast iron here (no aluminum in this application).



Darrell Howard Whitefish, MT Outlaw 56 Ford F-100's
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Get the restricted crossover gaskets.  I use a very thin coat sealant around the water passages and thread sealant on the necessary bolts and studs.
I don't think nearly as much heat gets under the manifold when the heat riser valve is removed.  Since you're putting dual exhaust on, it's probably removed and restricted gaskets will do the job and keep is simple.  I've done that for over 10k and 15k miles without burning the paint.



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Outlaw56
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I hear what your saying there. Good point.  I wonder if the rivets would cause any seal issues creating the thickest part of the gasket. Maybe a glue like the HD 292 sets, no hole, and one rivet in the middle? Just thinking maybe the best of both worlds. This way the rivet would not interfere with the seal and would secure the shields in case of glue failure. Also, if the glue did fail, I cant see where the shields would come loose and fit thru the opening in the ports. The shields are quite a bit larger than the ports on ether side. I do share your concern once the heat has taken its toll on this thin sheet metal. It seems a vulnerable place for heat to reduce the metal to rubbish which would then be sucked into the intake or head.

With that in mind, how about this? Go with the two thin guage sheet metal gaskets on each side. Then cut a thicker guage (matching the thickness of the gasket which is the equivlent of 15 guage) that fits perfectly inside the hole of the gasket. Now you have a three piece plug that could be centered in the gasket hole and riveted in the middlle. Glued and rivited, and thicker (less vulnerable to heat).  Maybe even use copper for the center piece? Maybe too anal?

Darrell Howard Whitefish, MT Outlaw 56 Ford F-100's


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