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06-07-2008, 10:10 AM
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#1 (permalink) |
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Member
Join Date: Oct 2007
Location: Vancouver,WA
Posts: 47
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Does a thermostate housing need to be torqued down?
I was just getting ready to dig in and went to look at my books and relized I loaned them to a friend(out of town). So figured I would check with you guys.
Thanks
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06-07-2008, 01:50 PM
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#2 (permalink) |
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Senior Member
Join Date: May 2008
Location: Dallas
Posts: 102
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I would not think so, but if you wanted to 20 - 25 would be plenty, or just snug will do. I am getting ready to do the same thing.
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06-07-2008, 08:58 PM
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#3 (permalink) |
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Senior Member
Join Date: Apr 2007
Posts: 136
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Theoretically, yes.
Actually, no. Even the valve covers have a tq spec, 7 ft lbs I beleive. I don't know what the water outlet spec is, but just a little more than snug is good.
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 1987 Olds Cutlass- Currently getting a 68 350 w/#5 heads 1972 Plymouth Satellite Wagon- Grandpa bought it new 1991 Plymouth Acclaim- Daily Driver |
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06-09-2008, 09:09 AM
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#4 (permalink) |
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Senior Member
Join Date: Feb 2008
Location: Plano, TX
Posts: 389
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My manual states 20lbs. However, I felt one of mine start to strip at about 13lbs, so it stayed there. I guess 35 years of new thermostats weakened the rusty threads. Luckily there were no leaks with one bolt at 20 and one at 13. I do know that this t-stat WILL be in there a long time!
Conclusion - I think 15 should be fine... 
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-Rob Young  1972 Cutlass Supreme Convertible (442 clone) -"Lady" (My mistress...) http://www.flickr.com/photos/robsalbum/sets/ 1986 Cutlass Supreme Coupe - "Pristine" 1978 Ford (Old Faithful) a.k.a. "the Tramp" 1997 Cadillac STS (for sale - too many cars!) 1999 Harley Davidson Sportster - "the Freedom Machine" |
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06-09-2008, 02:33 PM
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#5 (permalink) |
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Junior Member
Join Date: May 2008
Posts: 12
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Every single nut and bolt on a car has torque specs, most are unnecessary.
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06-09-2008, 03:27 PM
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#6 (permalink) |
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Landyacht Club President
Join Date: Jul 2007
Location: Lawton, OK
Posts: 1,811
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Gorilla tight!
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"Some men are Baptists, others Catholics. My father was an OLDSMOBILE man." Ralphie Billingsley A Christmas Story 1983 "We rei-eign, supreme, ooooh god! Burrito supreme, and a chicken supreme, and a CUTLASS SUPREME!" Tenacious D 2007 |
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06-09-2008, 05:25 PM
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#7 (permalink) |
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Senior Member
Join Date: Feb 2008
Location: Plano, TX
Posts: 389
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Long ago I used to stick to the method of "tighten it until it starts to strip, then back off 1/8 of a turn."
Later, I realized I was so wrong... I then put down a solid 10 bucks and got this universal tool - never stripped another bolt!
__________________
-Rob Young 1972 Cutlass Supreme Convertible (442 clone) -"Lady" (My mistress...) http://www.flickr.com/photos/robsalbum/sets/ 1986 Cutlass Supreme Coupe - "Pristine" 1978 Ford (Old Faithful) a.k.a. "the Tramp" 1997 Cadillac STS (for sale - too many cars!) 1999 Harley Davidson Sportster - "the Freedom Machine" |
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