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I hate having to deal with crappy paper/cork gaskets, but I have yet to find a decent rubber replacement gasket for either the T-stat housing or the timing cover.

 

I have a feeling that there might not be one for the t-stat, but i was hopeful for the timing cover.

 

Anybody have a p# or link?

 

 

 

 

 

 

 

 

EDIT:

 

 

I remember a while back my brother had brought a roll of some kind of specialty gasket maker. It was some seriously bada** stuff. After some serious digging on google i determined this is what it was/is.

 

 

 

PTFE FLANGE JOINT SEALANT          http://www.gasket-tools.com/sealants-ptfe-joint-seal.asp

prod-sealant-ptfe-joint.jpg

 

 

Its cut-able, compressable, easily molded and shaped with your hands, resistant to both exteme ends of the temperature spectrum (-400 - 600  :eek: ), extreme liquid and gas pressures, its non toxic, and will not degrade.

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Gaskets always seem to be the most difficult things to find. That gasket maker is seriously cool - I might have to pick some up.

 

here is a Summit Racing link for Fel-Pro timing cover gaskets although I'm sure you've probably seen it. One is nearly twice the price of the other - not sure why. I also don't know what "cork/rubber" means. I'll keep looking.

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I got this same question following this one always looking for better gasket replacements, that and a kit for rubber bushings they have the poly master kits but no rubber all I've been able to come up with is individual purchase expensive

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PTFE is the generic name for Teflon. Its primary characteristic is resistance to most chemicals. As mentioned, it is easily molded and shaped. The problem is that it tends to not retain its shape under compression. Teflon works best as a gasket if it is confined on all four sides so that it can't "cold flow" from between the flanges. At least, that's my experience with PTFE in the pump industry.

Compressed fiber (Vellum - generally green on one side and white on the other) should be a good material for the t-stat housing.

I would do some investigation on the Fel-Pro options for the timing cover gasket. I used Fel-Pro on the valve cover and oil pan on my 88 with good results.

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Gaskets always seem to be the most difficult things to find. That gasket maker is seriously cool - I might have to pick some up.

 

here is a Summit Racing link for Fel-Pro timing cover gaskets although I'm sure you've probably seen it. One is nearly twice the price of the other - not sure why. I also don't know what "cork/rubber" means. I'll keep looking.

 

Yup, already saw that one. The reason for the cost difference is the more expensive one includes a tube of fancy 'liquid copper' permatex sealant.

 

and the rupper/cork thing refers to the two different gaskets that make up the kit. The actual timing cover gasket is made out of cork and the other included gasket is a little strip that is sandwiched between the timing cover and the oil pan, which is rubber.

 

 

 

PTFE is the generic name for Teflon. Its primary characteristic is resistance to most chemicals. As mentioned, it is easily molded and shaped. The problem is that it tends to not retain its shape under compression. Teflon works best as a gasket if it is confined on all four sides so that it can't "cold flow" from between the flanges. At least, that's my experience with PTFE in the pump industry.

Compressed fiber (Vellum - generally green on one side and white on the other) should be a good material for the t-stat housing.

I would do some investigation on the Fel-Pro options for the timing cover gasket. I used Fel-Pro on the valve cover and oil pan on my 88 with good results.

 

 

Ya it seems to be some pretty hardcore stuff. You are right on about the 'cold flow' issue, i did not consider that, but i wonder. How much pressure has to be exerted for that to occur?

 

And as for Fel-Pro, i too have their rubber oil pan and valve cover gasket and love love loooove them. 

 

I googled Vellum and only came up with ancient writing parchment and artsy stuff, nothing even remotely like a gasket maker. :dunno:

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for the thermostat housing I just use Permatex .. either red or black, whatever is handy. I do give some time to cure before mating the parts and then about 30 mins before torquimg and another 30 to an hour before refill. I just find other crap to do during the time, but I usually lump multiple repairs at a time so I'm not wasting time waiting. Haven't leaked yet.

 

Timing cover is another story though.

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Maybe vellum isn't the proper name for the compressed fiber gasket material. We buy it in sheets of various thicknesses and cut gaskets for pump and other equipment repairs. Vellum is what our shop foreman calls it, so I went with what he said.

PTFE might work for a timing cover gasket as the cover bolts torque isn't very much but IMHO, I wouldn't use it.

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