Head stud sealant?

[rusty ol ranger]

I had a couple head studs come out on my 2n tractor when i pulled the head.

One of them goes in through a water jacket.

Whats the best/proper type sealant to use on this?

 

[Snoranger]

Mack recommends their elastic grey silicone for head or exhaust bolts that go into oil or coolant passages… but then again, I’ve never seen a Mack engine that didn’t have some kind of leak.

 

[Uncle Gump]

The last time I needed it... was a small block Chevy head studs. I used this...

 

[Curious Hound]

Mack recommends their elastic grey silicone for head or exhaust bolts that go into oil or coolant passages… but then again, I’ve never seen a Mack engine that didn’t have some kind of leak.

I've seen very few engines of any brand that didn't leak unless they were brand spanking new or a fresh, professionally done rebuild.

 

[rusty ol ranger]

The last time I needed it... was a small block Chevy head studs. I used this...

View attachment 114894

I ran across that on google. Was leaning toward it as ARP is known for head studs and fastners.

I got 100 different answers on google from red loctite to rtv. So i asked guys i trust.

Ill order a tube of that.

I've seen very few engines of any brand that didn't leak unless they were brand spanking new or a fresh, professionally done rebuild.

The detroit reman in the pete i drive started leaking as soon as the warrenty was over. They timed that perfect.

The cummins i used to drive leaked like the exxon valdez. But it also had 1.3 million on it.

 

[Curious Hound]

I ran across that on google. Was leaning toward it as ARP is known for head studs and fastners.

I got 100 different answers on google from red loctite to rtv. So i asked guys i trust.

Ill order a tube of that.



The detroit reman in the pete i drive started leaking as soon as the warrenty was over. They timed that perfect.

The cummins i used to drive leaked like the exxon valdez. But it also had 1.3 million on it.

After all these years, you trust us?

 

[Uncle Gump]

That ARP stuff works...

I would also run a thread chaser down the holes and clean any remaining old sealer... blow a little brake clean through them too.

Should be squeaky clean before assembly begins.

 

[rusty ol ranger]

That ARP stuff works...

I would also run a thread chaser down the holes and clean any remaining old sealer... blow a little brake clean through them too.

Should be squeaky clean before assembly begins.

Good advice.

After all these years, you trust us?

Strangely....yes.

 

[19Walt93]

I use a Permatex thread sealer that's probably similar to the ARP stuff. I write the date on the tube when I open it and throw it away on it's first birthday as a precaution. I used some 2 year old sealer on the flywheel bolts on my Mustang when I put the first Dual Friction clutch in it and the clutch slipped the first time down the drag strip. When I took it apart I found oil oozing around all the flywheel bolts and lubing my new clutch. I cleaned the flywheel and pressure plate with brake clean and resealled the bolts with fresh sealant. I sent the disc back to Centerforce and they replaced the friction plates on it for about 1/2 the cost of a new one.

 

[Snoranger]

After all these years, you trust us?

I just assumed he meant he ALSO asked guys that he trusts.

 

[SenorNoob]

I've seen very few engines of any brand that didn't leak unless they were brand spanking new or a fresh, professionally done rebuild.

Guess I really am a profreshional then. MY engine doesn't leak.

 

[rusty ol ranger]

Guess I really am a profreshional then. MY engine doesn't leak.

I like em leaky. Saves me from pulling the dipstick