engine glue

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Bulldozer

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holy crap , this **** is the bomb
I've tried 27 different kinds other than epoxy to seal my chrome valve covers . use it ...... I can promise 100% satisfaction
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That's the same stuff that Ford came out with about 20 years ago and nobody else had it. It was the Ford grey sealer. They used it on everything back then from valve covers to oil pans and everything in between. I have done engine jobs where I removed ALL the oil pan bolts and had to drive a long prybar under the oil pan rail to pry the pan off. It didn't need bolts! lol
 
You know it’s kind of weird. You have all these different brands and colors of rtv silicone gasket sealer, but I think every one of them says 100% silicone on the tube. So what makes some of them better than others?
 
No real knowledge here,LOL, but i believe i will take a shot at it. Silicone in the tube isnt 100%pure. Like they pump it out of the ground, filter out the impurities and package it up. Right! Naw, its got plenty of additives but stays within some government guidelines to be able to claim pure silicone. However by varying the percentages of the added additives they can change the properties of the product silicone. Make it adhere better or maybe remain softer when cured or even stink less. They try to give it properties they think will make it more attractive to the consumer. Us. So they can sell more and make big profit.LOL I think.
 
hangn0ut said:
No real knowledge here,LOL, but i believe i will take a shot at it. Silicone in the tube isnt 100%pure. Like they pump it out of the ground, filter out the impurities and package it up. Right! Naw, its got plenty of additives but stays within some government guidelines to be able to claim pure silicone. However by varying the percentages of the added additives they can change the properties of the product silicone. Make it adhere better or maybe remain softer when cured or even stink less. They try to give it properties they think will make it more attractive to the consumer. Us. So they can sell more and make big profit.LOL I think.
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I'll accept that explanation!
Thanks!

Jeff
 
Honda motorcycles has something likely the same as the Ford product, a grey silicone based sealant. Used on case halves etc. no gaskets. And then there is Yamabond 4, more of a thick liquid, but same results. Use it and forget it, no leaks ever. Just pricey. And you'd likely have to air chisel the valve covers off:eek:
 
MileHighDart said:
You know it’s kind of weird. You have all these different brands and colors of rtv silicone gasket sealer, but I think every one of them says 100% silicone on the tube. So what makes some of them better than others?
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I have had the same question for different application. Home stores carry several brands of bathroom tub and tile caulk, from 3 bucks per tube to 3 times that. All state 100% silicone, 25 or 30 year guarantee. What's the difference other than price? If we remodel every 15 years or less we'll never know.
 
RustyRatRod said:
That's the same stuff that Ford came out with about 20 years ago and nobody else had it. It was the Ford grey sealer. They used it on everything back then from valve covers to oil pans and everything in between. I have done engine jobs where I removed ALL the oil pan bolts and had to drive a long prybar under the oil pan rail to pry the pan off. It didn't need bolts! lol
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man I used this stuff on my 440 intake just around the ports of the metal valley pan and I thought I was going to bust the intake trying to take it off. I hope I don't have to take the valve covers off because I might have to buy new ones lol
 
MileHighDart said:
You know it’s kind of weird. You have all these different brands and colors of rtv silicone gasket sealer, but I think every one of them says 100% silicone on the tube. So what makes some of them better than others?
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it is strange, but like I said, I've used so many colors and brands but I've always had problems with these covers. this grey stuff reminds me of the old Wrigley's chewing gum that always stuck to your teeth lmao
 
moparmat2000 said:
Are you using cork, or steel reinforced rubber gaskets?
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I've used cork , rubber/cork and straight rubber gaskets. right now I used this stuff with the cheapy plain cork. I could probably take all the bolts out and they would stay glued on and never leak lol
 
Bulldozer said:
I've used cork , rubber/cork and straight rubber gaskets. right now I used this stuff with the cheapy plain cork. I could probably take all the bolts out and they would stay glued on and never leak lol
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I actually did that once to prove how good it is to a friend.
I pulled all the cover bolts and drove my 440 Roadrunner to his house 8 miles away.
 
Bulldozer said:
man I used this stuff on my 440 intake just around the ports of the metal valley pan and I thought I was going to bust the intake trying to take it off. I hope I don't have to take the valve covers off because I might have to buy new ones lol
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Yeah, and you caint convey that to somebody else. They won't believe it...until they see it. That stuff is some amount of strong AND it doesn't leak.
 
I have to see if we stock this. If not, I am gonna min max it and have it on the shelf. LOL
 
Nope we don't stock it ans as of right now cannot get it.
 
Used to use an orange silicone, odd job it was called.
Opened a front diff on a dakota and did a parts estimate. Cleaned it and sealed it back up with odd job and refilled it. Couple weeks later it comes back for repair,i bent the front cover (thicker than a rear cover) trying to get it apart.
 
MileHighDart said:
You know it’s kind of weird. You have all these different brands and colors of rtv silicone gasket sealer, but I think every one of them says 100% silicone on the tube. So what makes some of them better than others?
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Colors denote application.

Notice the package? It says high torque applications. Used on engine main girdles, like the old Mopar 2.0/2.4 where the girdle and block mating surface didn't a have a gasket. Mopar also used this as trans pans gaskets. The gray actually hardens under torque.

The blue is for water/non oil mating surfaces, black used for oil applications, red and copper used for high heat.

There is a method to the madness and each should be used for the application. For instance, don't use blue for your rear axle cover, the oil will eat it away.

A lot of folks also don't know there a different grades of rubber hosing: fuel, oil, and water. Don't mix those up, either.
 
RustyRatRod said:
Yeah, and you caint convey that to somebody else. They won't believe it...until they see it. That stuff is some amount of strong AND it doesn't leak.
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DO any of you older guys remember the glue or epoxy advertisement on the back of the late 1970's:

Two dragsters, back to back, a cable tied to each of them and at the end of each cable was a TINY plate of metal-

IT WAS GLUED TOGETHER and the DRAGSTERS WERE TRYING TO PULL IT APART.
 
"100% silicone" means absolutely nothing, because silicone comes in so many different varieties. It's a very generic term: "Silicones, also known as polysiloxanes, are polymers that include any inert, synthetic compound made up of repeating units of siloxane, which is a chain of alternating silicon atoms and oxygen atoms, combined with carbon, hydrogen, and sometimes other elements. They are typically heat-resistant and either liquid or rubber-like, and are used in sealants, adhesives, lubricants, medicine, cooking utensils, and thermal and electrical insulation. Some common forms include silicone oil, silicone grease, silicone rubber, silicone resin, and silicone caulk."(Wikipedia)
 
Part 2 of this thread. What can be used to loosen the grey stuff up? You know, spray and wait instead of chisels and crowbars on our prized automotive equipment.
 
hangn0ut said:
Part 2 of this thread. What can be used to loosen the grey stuff up? You know, spray and wait instead of chisels and crowbars on our prized automotive equipment.
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Nothing. Elbow grease.
Razor blade.
 
greymouser7 said:
DO any of you older guys remember the glue or epoxy advertisement on the back of the late 1970's:

Two dragsters, back to back, a cable tied to each of them and at the end of each cable was a TINY plate of metal-

IT WAS GLUED TOGETHER and the DRAGSTERS WERE TRYING TO PULL IT APART.
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Wasn't that "Krazy Glue"?? I remember the guy wearing a hard hat stuck to the bottom of an I beam flailing around
 
It goes back to the late 70's I'm pretty sure, can still hear the announcer saying "Ka-ray-zee Glue.....about as annoying as that nimrod saying Flex glue!
 
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