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Author
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Topic: Which thermostat housing is best
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naked5.0notch
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Member # 14058
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posted
 
 
Like the title says. I tried with the alum ford stamped thermostat housing on my explorer intake but started dripping while it was running this being with paper gasket. Better to use stock with just silicon or gasket and silicon ?
1990 302 97-down explorer intake
[ 2016-04-12, 02:43 PM: Message edited by: naked5.0notch ]
Posts: 1223 | Registered: May 2015
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Marks93
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Member # 11130
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posted
I've had my best luck with the stock housing using Fel-Pro blue gasket with black RTV. May sound like overkill but that's worked best for me.
Posts: 824 | From: Earth | Registered: Jul 2011
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90GT510
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Member # 9199
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posted
I've also used stock housing with felpro no rtv worked good for me too.
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Stay Sydewayz
Posts: 1725 | From: East Bay/Dallas, TX | Registered: May 2009
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naked5.0notch
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Member # 14058
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posted
Ok makes sense. Anybody have a stock thermostat housing ?
Posts: 1223 | Registered: May 2015
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70stang351w
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Member # 9948
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posted
used both methods as described but mine was on a 351w
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1996 GT VERT /32v MOD - SOLD
1970 Mustang Coupe M-Code 351w
Posts: 1419 | From: 925 | Registered: Apr 2010
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wilit
Mustang Messiah
Member # 3367
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posted
I replaced the gasket on my F150 5 times before I realized that sticky sided gasket is crap. Stay with the blue Felpro and a little bit of RTV.
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"If a man hasn't found something worth dying for, he isn't fit to live." - Martin Luther King Jr.
Posts: 4793 | From: 37.78514° North 122.40100° West | Registered: Oct 2003
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naked5.0notch
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Member # 14058
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posted
Yeah the sticky grey gasket is what I put on there first. Going fel pro and rtv
Anybody use the permatex the right stuff gasket maker ?
Posts: 1223 | Registered: May 2015
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stang up
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Member # 11117
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posted
Yes it works to hold thermostat in housing.sometimes thermostat slips out of grove when installing.and that why you leak.put it on housing first and let it dry .and then mount it to intake.good luck!
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88 gt
92 gt
68 cougar xr7
87 Gt roller build in the works
And a bunch of chevys
Posts: 186 | From: RICHMOND SAN PABLO VALLEJO OG | Registered: Jul 2011
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SLOWSN95
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Member # 8269
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posted
Paper with a LIGHT bead of RTV
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94' GT
347 Stroker
MM Suspended
2003 SB SVT Lightning
Pullied and Lowered
89'Hatch-SOLD
Posts: 2214 | From: 510/east bay | Registered: Mar 2008
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Marks93
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Member # 11130
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posted
quote:
Originally posted by stang up:
Yes it works to hold thermostat in housing.sometimes thermostat slips out of grove when installing.and that why you leak.put it on housing first and let it dry .and then mount it to intake.good luck!
If you get the motorcraft thermostat, it has a small "out of round" spot on it. Look on the stock housing and you can see where that "out of round" part goes in. You put the thermostat in and turn it just a bit to lock it in. No need for permatex. But if you get the standard O'Reilly's brand, it is perfectly round so you should use the permatex.
Posts: 824 | From: Earth | Registered: Jul 2011
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naked5.0notch
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Member # 14058
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posted
Thanks for the info. Can't remember the brand but it was from eBay and didn't dit correctly. The thermostat when placed in the housing moved around a lot
Posts: 1223 | Registered: May 2015
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Martinna
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Member # 12493
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posted
The paper gaskets with a sticker on one side from NAPA work well. People also use a rubber band and a pencil through the hose side of the housing to hold the thermostat in place while installing. http://1bad6t.com/clever_tips.html RTV shouldn't be required. Ford didn't need any at the factory.
[ 2016-04-14, 04:33 PM: Message edited by: Martinna ]
Posts: 1093 | From: City | Registered: Oct 2012
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hurting your feelings
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Member # 13641
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posted
quote:
Originally posted by Martinna:
The paper gaskets with a sticker on one side from NAPA work well. People also use a rubber band and a pencil through the hose side of the housing to hold the thermostat in place while installing. http://1bad6t.com/clever_tips.html RTV shouldn't be required. Ford didn't need any at the factory.
True but ford was doing it all brand new parts.
Posts: 1830 | From: In front of the bank with a 45 an a ski mask | Registered: Jun 2014
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