North American Turbocoupe Organization



Whats your guys deal with silicone and gaskets?
ianbfromct Offline
Senior Member
#1
I feel like I need a mechanic 101 class with silicone and gaskets? I recently did a head gasket on my car and of course the thermostat housing gasket is leaking lol. Im gonna pull it off and load it up with since I have horrible luck with gaskets that involve oil or coolant..

http://www.permatex.com/products/our-bra...ight-stuff
88 5 speed TC
-3" DP,lowered, 255 Walbro, Gillis valve, Cobra R's, bondo/rust, Stinger's PIMP Ecu
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RebelBubba Offline
Junior Member
#2
Silicone is a gasket maker and not a very good one. The problem with silicone is that it dries pliable therefore allowing for the bolts to work loose. This is how I would solve the problem you are having. Make sure the housing and head surface are clean and dry. Dont use silicone use yellow weather strip adhesive and glue the gasket to the housing let it dry a couple minutes then bolt it to the head.
RebelBubba
1988 TC 5spd.
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Pete D Offline
Posting Freak
#3
Make sure the T-stat housing mating surface is flat. They can and do warp.
Pete Dunham
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vegas_ss Offline
Senior Member
#4
Go to autozone or oriely's and ask for the premium gasket. They are thicker and have a ring of sealer on them. They work so good I will never try another type!

Felpro Part # 35114T

http://www.oreillyauto.com/site/c/detail...&ppt=C0331
1987 TC, 5sp, Boport Stage 3 Head/2.1 Cam
1996 Impala SS, DCM, Borla Cat Back, too much other stuff!!! (SOLD)
2009 Pontiac G8 GXP 6M, 6.2l LS3, Kooks Long Tube, Hi Flo Cats, Mild Cam
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ianbfromct Offline
Senior Member
#5
vegas_ss Wrote:Go to autozone or oriely's and ask for the premium gasket. They are thicker and have a ring of sealer on them. They work so good I will never try another type!

Felpro Part # 35114T

http://www.oreillyauto.com/site/c/detail...&ppt=C0331


Didnt even know that existed lol..thanks
88 5 speed TC
-3" DP,lowered, 255 Walbro, Gillis valve, Cobra R's, bondo/rust, Stinger's PIMP Ecu
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ianbfromct Offline
Senior Member
#6
Looks like I was wrong..oil coming from the valve cover gasket was leaking on the t stat housing. I bought the ford one so ill be taking it off this weekend trying to fix it.
88 5 speed TC
-3" DP,lowered, 255 Walbro, Gillis valve, Cobra R's, bondo/rust, Stinger's PIMP Ecu
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TurboCoupe50 Offline
Posting Freak
#7
ianbfromct Wrote:Looks like I was wrong..oil coming from the valve cover gasket was leaking on the t stat housing. I bought the ford one so ill be taking it off this weekend trying to fix it.

If you had oil leaking from the T-stat housing, that'd be a serious problem...
1988 Turbo Coupe331 AOD

1972 Comet GT

1969 Fairlane Cobra 428CJ 4-Speed
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