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#507258 - 08/02/04 03:25 AM 197 Degree Thermostat???
gsn2984 Offline
Member

Registered: 04/15/04
Posts: 437
Loc: Manchester, CT
I was at autozone the other day and going to pick up a new thermostat when I take off my upper tube to replace it, and they said that normal for the 5.8 is a 197 degree thermostat. I was just wondering if this is what I should use, or should I go with a 180.

Also, I was going to put one of those chrome housings for the thermostat but on mine, there is an extra hole it it where it almost looks like a vacuum line and then goes somewhere under the carb. Its late and I can't remember what it exacly looks like. But any help on the first questions would be greatly appreciated. Thanks beforehand.
_________________________
1992 Ford Crown Victoria S P72 ex CT officers car.
Yes, my avatar is a Lego CV with engine and full working front and rear wigwags!
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#507259 - 08/02/04 03:31 AM Re: 197 Degree Thermostat???
85crownHPP* Offline
Poobah

Registered: 04/13/04
Posts: 5607
Loc: central VA
I have a 180 and we feel much cooler
_________________________
Pete ::::>>> resident LED addict and CFI defector
My rant on LED bulb replacements
'91 Crown Vic (badass beater) . '85 LTD Crown Vic (HPP project) . '88 P72 (ODB)

85HPP's mods:
CFI to SEFI conversion w/ HO upperstuff - headers & flowmasters - p71 airbox - Towncar seats - LED dash light-show - center gauge console - LED 3rd brake light - 3G alternator - mini starter - washer/coolant bottle upgrade - Towncar power trunk pull - underhood fuse/relay box - police swaybars w/poly rubbers - painted HPP wheels - 600W RMS Alpine driven 10-speaker stereo

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#507260 - 08/02/04 03:59 AM Re: 197 Degree Thermostat???
PhAyZeR5 Offline
Over the Hill

Registered: 05/28/03
Posts: 3901
Loc: Dunnellon, FL
I've never heard of a 197. I used a 180 when I cas CFI'd and now, with no problems.
_________________________
My lugnuts take more torque than your Honda puts out

408w powered Cobra Linc

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#507261 - 08/02/04 04:10 AM Re: 197 Degree Thermostat???
gsn2984 Offline
Member

Registered: 04/15/04
Posts: 437
Loc: Manchester, CT
The weird thing is, that even on their website it says: "ORIGINAL EQUIPMENT TEMPERATURE. " But of course, like I said, this is for a 5.8.
_________________________
1992 Ford Crown Victoria S P72 ex CT officers car.
Yes, my avatar is a Lego CV with engine and full working front and rear wigwags!
Cardomain page for old 89



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#507262 - 08/02/04 04:30 AM Re: 197 Degree Thermostat???
Petely Offline
Poobah

Registered: 06/26/03
Posts: 5164
Loc: Chicago, IL
It should be 195 I believe. A couple of degrees is nothing to argue about when you are dealing with those kinda temps. A lot of people run a 180 deg but I don't think you want to run much cooler then that. I would like to know when the cold idle circuit kicks off becuase that will help you guage how low you can go without risking staying in the cold loop.
_________________________
Peter
1987 Mercury Grand Marquis
*sold to some guy on cvn for $1
New Long List of Rules Compliant Sig

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#507263 - 08/02/04 09:42 AM Re: 197 Degree Thermostat???
1987LTDmasta Offline


Grand Poobah

Registered: 01/05/01
Posts: 11463
Loc: Chicago, IL.
195 is actually the OEM version

get a 180 and forget about it. 180 is the coldest I reccomend since the engine goes into CLOSED loop at 150 degrees
_________________________
she gone.

1987 Ford LTD Crown Victoria LX (1999-2011)
5.0 liter EFI High Output
Police Package suspension
Current:
'67 Mustang coupe

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#507264 - 08/02/04 12:01 PM Re: 197 Degree Thermostat???
gsn2984 Offline
Member

Registered: 04/15/04
Posts: 437
Loc: Manchester, CT
I got the 197 anyway plus the gasket. I don't mind running a little warm, it stays pretty good anyway because of a new fan clutch and no friggin condensor in the way. Thanks for all the input.
_________________________
1992 Ford Crown Victoria S P72 ex CT officers car.
Yes, my avatar is a Lego CV with engine and full working front and rear wigwags!
Cardomain page for old 89



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