How much sealer to use when deleting base gasket???

[XP_Slinger]

I measured it 7 thousand times, any where from 17 to 22 thousandths.

Did all around piston edge and at wrist pin Ares. As long as it was more than 15 thousandths I'm happy.

Let it set over night for the demons to escape, fueled, oiled and fired up, runs great , still need to run a couple tanks thru to get it perfect.

I'm happy!!!

The most accurate squish measurement is found directly above the wrist pin.

 

[redoakneck]

Been reading all about sealers/ gasket makers now that I did this delete.

How hot does the cylinder get??? Locktite 518 is good to 300'f, locktite 510 is good to 390'f, 510 is twice the cost but don't use much at all.

I used ultimate grey.

Any opinions???

 

[dall]

if it wasnt rated for gasoline then you may have problems down the road

 

[RIDE-RED 350r]

300 dev rating should be fine. I dont believe the cylinder base gets that hot. Where things get hottest is in the combustion chamber and exhaust area of the cylinder. Most engines have a normal operating temp of just north of 200 deg. Of course there are a few "hotter spots" like I mentioned above.

 

[Genius]

I've been using Motoseal for cylinder bases, just a real thin coat, what I classified as thin...

The other day I pulled a cylinder and was surprised at how much squished out inside the cylinder.

I just picked up a tube of Permatex's anarobic gasket maker to start using so anything that does get squished out will wash out.

 

[jmssaws]

I checked a few ported saws and after a short cut cylinder temps are around 350 degrees.

 

[redoakneck]

Guess I might invest in a tube of locktite 510, probably be doing a few more, and a tube should last a long time.

 

[ctylerc1995]

I'm gonna bake some cases,anybody else done that?

The fiancée was not happy

 

[fearofpavement]

View attachment 14892
The fiancée was not happy

Her oven or yours?

 

[redoakneck]

I've been using Motoseal for cylinder bases, just a real thin coat, what I classified as thin...

The other day I pulled a cylinder and was surprised at how much squished out inside the cylinder.

I just picked up a tube of Permatex's anarobic gasket maker to start using so anything that does get squished out will wash out.

Did you do the sealer application???

 

[ctylerc1995]

Her oven or yours?

Ours so....hers. I guess that's how it works now.

 

[riverrat2]

I'm gonna bake some cases,anybody else done that?

I would rather bake banana nut bread

 

[dall]

I would rather bake banana nut bread

lol when you do send a couple loaves my way lol i love banana bread

 

[riverrat2]

Been reading all about sealers/ gasket makers now that I did this delete.

How hot does the cylinder get??? Locktite 518 is good to 300'f, locktite 510 is good to 390'f, 510 is twice the cost but don't use much at all.

I used ultimate grey.

Any opinions???

probably 160-180°F

I checked a few ported saws and after a short cut cylinder temps are around 350 degrees.

It won't be that hot @ the crank case juction

 

[jmssaws]

probably 160-180°F



It won't be that hot @ the crank case juction

Behind the muffler it will.

 

[jmssaws]

Anyone ever use this stuff?

 

[redoakneck]

Anyone ever use this stuff? View attachment 15190

What is the number?? Temp rating??

 

[jmssaws]

What is the number?? Temp rating??

I didn't look but I will.
A cat mechanic gave it to me so I don't know if it's even any good.

If caterpillar uses it I'd say it's good though.

 

[riverrat2]

Behind the muffler it will.

Well yeah I hear you?????? my point is where you are sealing to the crankcase it should never get that hot... that that what they make muffler gaskets for.... and stuff,,,

 

[jmssaws]

The muffler side of the base gasket probably gets pretty warm. Not 350 degrees but warm