I'm looking for your experiences with options for gasket maker. I'm putting the oil pan (all flat) back on an old tractor and I don't have time to order and wait for a gasket to come. I'm sure some products are better than others...will be glad to hear input on this - thanks so much!
- Thread starter Nordic
- Start date
When I built my Farmall BA I did it as old school as I could as in only NEW parts I got where the sleeve seals. I used silicone gasket maker on the oil pan and that was about 6 or 7 years ago and it is still working just fine. I put a bead of it on the pan then waited about 10 minutes then bolted it one
Billy Shafer
Well-known Member
I have done the same as old. Never had a problem.
If you use silicone like it is supposed to be used then it works fine. IF your going to lay too big a bead on and tighten the heck out it right away then it causes more trouble than it does good. Your supposed to put a THIN bead on and lightly tighten the pan down. Let it cure and then fully tighten it completely. The danger of too much silicone is the excess falling off inside the motor. I have seen several motors ruined by chunks of silicone getting stuck in oil passages and such.
I actually use very little silicone anymore. There are better sealants on the market. I really like this one from Loctite better than silicone.
I actually use very little silicone anymore. There are better sealants on the market. I really like this one from Loctite better than silicone.
Charles in Aus.
Well-known Member
I have always cut my own from a roll of gasket paper or cork . It's fairly simple , hold the material onto the uncleaned surface and tap down until the oil marks the shape you need . Sometimes you can just tap the edges with a hammer which will cut the gasket for you . Holes can be punched with a sharpened piece of tube if you don't have the right sized punch . On intricate bits , use a stanley knife .
travis miranowski
Member
I have tried several different sealants and like most products they all work well in different areas and not so well in others. I worked on Deere equipment for a number of years and have used lots of the high flex loc tite, it was designed for low heat metal to metal applications like rear axles. I tried it on a couple oil pans to seal where the timing cover meets the block and with any type of heat it gets hard brittle then leaks. I have found for oil pans a good black silicone based sealant works best.
Like Old said, silicone gasket maker will work with no problem. In fact, many newer engines recommend, and use, nothing but the gray silicone gasket maker in place of paper, or any other type material.
I've worked on several engines where this was what was called for, and was all I used. All I can say beyond that is I never had any leaks.
Below is a link to what they recommend using in the service manuals.
Ultra gray
I've worked on several engines where this was what was called for, and was all I used. All I can say beyond that is I never had any leaks.
Below is a link to what they recommend using in the service manuals.
Ultra gray
I use permatex "right stuff" a lot. You can get it in those pressurized cans or caulking tubes, I use the caulking tubes. It has proven itself to me on oil pans, timing covers, diff covers, Intakes, thermostat housings and water pumps. They make a black and grey product I think they both do about the same but the grey seems to set up a lot harder like glue.
I prefer the red high temp stuff.
Key thing with silicone gasket maker is cleanliness. Use a scotchbrite pad, preferably one of the discs on a die grinder. Then spray both surfaces with aresol carburator cleaner, DON'T TOUCH even with your fingers. Then apply a thin coat, let it skin over (10 to 30 minutes) and assemble. Finger tighten your fasteners and come back half a day to a day later and tighten them down.
One other note. Most of the silicon products will not work in direct contact with gasoline, ie sediment bowl or fuel tank halves.
jt
Key thing with silicone gasket maker is cleanliness. Use a scotchbrite pad, preferably one of the discs on a die grinder. Then spray both surfaces with aresol carburator cleaner, DON'T TOUCH even with your fingers. Then apply a thin coat, let it skin over (10 to 30 minutes) and assemble. Finger tighten your fasteners and come back half a day to a day later and tighten them down.
One other note. Most of the silicon products will not work in direct contact with gasoline, ie sediment bowl or fuel tank halves.
jt
Dave Sherburne, NY
Member
I agree with Using Permatex "Right Stuff". My son put me onto it, He restores antique cars, trucks and tractors where often, paper or cork gaskets are unavailable.
The Right Stuff
The Right Stuff
Russ from MN
Well-known Member
- Location
- Bemidji MN
I cut my own paper gasket and put silicone on the pan, then the gasket, then a light film of grease, and bolted it up while the silicone was still soft. I doesn't leak, and I can take it off with no tearing and put it right back on. I was careful not to over-tighten it.
Mike Groom
Well-known Member
Use the Permatex Right Stuff,you won't have a problem with leaks,I use it on a lot of oil pans and valve covers with no complaints.
General Motors has been putting them together with silicone since the mid seventies. The latest stuff we were using before I retired was gray in a Gm tube, don't remember what it was called but it worked good. Main thing is the mating surfaces need to be very clean and dry, ( brakleen), and keep it out of the bolt holes if your bolting something to aluminum, I split an aluminum intake once running valve cover bolts in with a 1/4 inch air ratchet.
Thanks everyone for taking the time to give your advice. It has been said "it is wise to learn from your own experience but wiser to learn from other people's experience". I'm reaping the benefit here. In checking different outlets I have yet to come across one that carries 'The Right Stuff", it must not be very old on the market yet or something?? I understand it costs significantly more than other gasket makers...only good reviews on it though.
danofarming
Member
Detroit makes an Aerobic (it hardens in the absence of air) gasket maker used to seal the two halves of the timing gear case on the front of the engine. It is great stuff we use it a lot.
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