gasket question

[vilant]

I'm in the middle of removing my plenum. My question is: If one of the gaskets for the plenum is intact and the other tore. Would you replace both with new ones or just the torn one?
I heard the originals are the best but I'm unsure.:cheers:

[sammy]

replace both with jerrys gaskets, his are every bit as good as the factory's

[scottfab]

I'm in the middle of removing my plenum. My question is: If one of the gaskets for the plenum is intact and the other tore. Would you replace both with new ones or just the torn one?
I heard the originals are the best but I'm unsure.:cheers:

Cut your own out of rubber and you'll never have to replace them again.
I did this in the late 90s after experimenting with several other materials.
Same rubber gaskets ever since.;)
Oh and I'll add it very easy to do with the plenum as a guide.

[vilant]

Cut your own out of rubber and you'll never have to replace them again.
I did this in the late 90s after experimenting with several other materials.
Same rubber gaskets ever since.;)
Oh and I'll add it very easy to do with the plenum as a guide.
I did consider doing it that way, but I was a bit lazy. I was already ordering new wires from Jerry so I got the gaskets too.:cheers:

[mike100]

Jerry's work well, but since they don't have the rubber rings molded into them, I have found that you should permatex/ aviation form-a-gasket the water and oil breather holes to prevent seepage after install.

Of course Jerry's are a must if you port since they are perfectly cut to accommodate 36mm porting.

[GOLDCYLON]

Just buy jerry's thicker pairs. GC

[vilant]

Jerry's work well, but since they don't have the rubber rings molded into them, I have found that you should permatex/ aviation form-a-gasket the water and oil breather holes to prevent seepage after install.

Of course Jerry's are a must if you port since they are perfectly cut to accommodate 36mm porting.
I have to ask, but why permatex? In other words what's the point of the gasket if your going to put permatex around everything. And how do you not make a mess putting the plenum back on w/ permatex on both sides?

[mike100]

I have to ask, but why permatex? In other words what's the point of the gasket if your going to put permatex around everything. And how do you not make a mess putting the plenum back on w/ permatex on both sides?

Yes, it would be better if they had the rubber o-rings embossed/molded onto them with 36mm cut-outs, but who knows how much that would cost. BTW, I'm only dabbing on the brown sealer in three spots, not on the whole part.

The water port will work with a thin smear of rtv sealer, but the oil breather pass-thrus will soak into the gasket material and weep out the side if you don't dope them with the oil resistant permatex

[vilant]

Yes, it would be better if they had the rubber o-rings embossed/molded onto them with 36mm cut-outs, but who knows how much that would cost. BTW, I'm only dabbing on the brown sealer in three spots, not on the whole part.

The water port will work with a thin smear of rtv sealer, but the oil breather pass-thrus will soak into the gasket material and weep out the side if you don't dope them with the oil resistant permatex
Ahh, I see, makes sense. I was leary of putting it over all of the holes. I'll check to see if the permatex I have is oil resistant, if not I'll run out and buy some. Thanks:cheers:.

[mike100]

I use this stuff (http://shop.advanceautoparts.com/webapp/wcs/stores/servlet/product_x_7740018-P_x_x?cm_mmc=ACQ-_-Google-_-enhancedRM-_-7740018&ci_src=17588969&ci_sku=7740018&ci_gpa=pla&ci_kw={keyword}&gclid=CL-apLeUpLMCFY9_Qgod0CEApA#utm_source=acq&utm_medium=google&utm_campaign=enhancedrm&utm_content=7740018)

There are some no-name clones that work the same and are the same exact stuff. I can tell by the smell, actually. When RTV isn't as appropriate, this stuff usually works better. It also seals head bolt threads that go into water jackets- it just about works anywhere.

I had tried rtv before to seal the pcv vents on the I/H's, but unless you can assemble the parts immediately and get them torqued, the rtv might cure before the parts set together creating a small void for oil to follow. This brown goo permatex will give you a lot more time to get it assembled.

[tf95ZR1]

Cut your own out of rubber and you'll never have to replace them again.

What rubber did you use? Probably would insulate also.

[scottfab]

What rubber did you use? Probably would insulate also.

I used regular black rubber (this is very similar)
http://www.grainger.com/Grainger/Rubber-Sheet-1DUX4?Pid=search
You can cut up to 4 out of it for $25

But I'm thinking your right about insulation properties so I wonder if this
wouldn't be ever better. It's 1/4in thick.
http://www.grainger.com/Grainger/Rubber-Sheet-1MWV6?Pid=search
someone would have to try it. It's more cash at $62 but you can get four out of it. It's higher strength and temp range that what I used so i bet it'd be fine.

In any event that site has many alternatives. You can use there application selector on the side.
Obviously the advantage being you can use them over and over.

[mike100]

I used regular black rubber (this is very similar)
http://www.grainger.com/Grainger/Rubber-Sheet-1DUX4?Pid=search
You can cut up to 4 out of it for $25

But I'm thinking your right about insulation properties so I wonder if this
wouldn't be ever better. It's 1/4in thick.
http://www.grainger.com/Grainger/Rubber-Sheet-1MWV6?Pid=search
someone would have to try it. It's more cash at $62 but you can get four out of it. It's higher strength and temp range that what I used so i bet it'd be fine.

In any event that site has many alternatives. You can use there application selector on the side.
Obviously the advantage being you can use them over and over.

I'd use the silicone material since we use a little neoprene at work here and it dries out bad when exposed to UV and ozone or something in the air.

[scottfab]

I'd use the silicone material since we use a little neoprene at work here and it dries out bad when exposed to UV and ozone or something in the air.

After >10yrs mine seems fine. Flexible and no leaks.
Not much UV under the hood ;)