Hondabond vs Locktite 518

[Tundragod]

I had a dumb, yes dumb mishap trying to re-seal a leak under a rocker arm asm. I was using Hondabond HT. In trying to hurry to cover the 4 minutes time, as well as the heat humidity, etc, I broke the rocker arm asm. Now, I'm thinking about using Locktite 518 instead as it does not cure until the absent of oxygen.

It would go under the rocker shaft holder (oil seep area):

What say you?

 

[2strokeNorthstar]

3bond 1211 is another option. Used it to seal many 2 stroke motor cases without fail.

 

[Trav]

Where is it broken or is thread stripped out? Do they make a regular valve cover gasket for this engine, they do for the K24Z2

 

[The Critic]

The infamous Permatex Ultra Grey (available at any auto parts store or Walmart) takes a very, very long time to dry tack free. TDS shows an hour. Perhaps give this a try? Optimum Grey is the improved version but has similar drying properties.

https://www.permatex.com/wp-content/uploads/tds/22074.pdf

The 4 min window is a bit exaggerated, you usually have a good 10-15 mins. I would not use anaerobic though; it is designed for minimal gap fill. If the surface finish is not good enough, anaerobic won't be sufficient for sealing.

 

[Tundragod]

Where is it broken or is thread stripped out? Do they make a regular valve cover gasket for this engine, they do for the K24Z2

Above the blue line is where I'm trying to seal. Orange highlight is the valve cover. Right underneath that orange line is rubber valve cover gasket. It is metal to metal sealant needed.

Abo

 

[grasscutter]

Permatex right stuff 90 minute has worked good for me. Not only is it a sealant, it also bonds metal parts together.

But I follow the instructions to a tee. I apply a 4mm wide bead and then assemble finger tight. Wait one hour. Then assemble to final torque.

 

[Trav]

Above the blue line is where I'm trying to seal. Orange highlight is the valve cover. Right underneath that orange line is rubber valve cover gasket. It is metal to metal sealant needed.
View attachment 348257
Abo

So you didn't break the part just the seal? For that part Elring EL-Liq 74 is perfect for that job Aluminum casting on aluminum casting.

Amazon has it but so does FCP euro and others.

EL-Liq 74

 

[nthach]

Permatex right stuff 90 minute has worked good for me. Not only is it a sealant, it also bonds metal parts together.

But I follow the instructions to a tee. I apply a 4mm wide bead and then assemble finger tight. Wait one hour. Then assemble to final torque.

That’s the only aftermarket RTV I will mess around with for “major” jobs. I had to use their Water Pump/Thermostat Housing RTV(which seems like relabeled Ultra Gray) for the T-joints and corners of a Honda valve cover gasket lately.

I think Permatex’s recommendation for Ultra/Optimum/Right Stuff 90 minute of tighten bolts finger tight and waiting an hour is assuming you’re using this to replace a cut gasket. OEM service data or instructions say to apply RTV/FIPG and assemble immediately.

 

[Exhaustgases]

If its an RTV I most always never use it.