My temperature gauge is fluctuating from well over 200 down to 165 so I’m pretty sure the thermostat is bad should I put in a 180 or 195
Sent from viper al
Sent from viper al
Thermostat
- Thread starter allan tissot
- Start date
You will get all kinds of answers depending on your location. Hot like AZ and TX or Cold like MN or Canada.
I put in a 190 from Jim K and have been happy with it.
How are you measuring the temp and from where. Mechanical gauge I assume. or IR. Is the rest of your cooling system up to snuff. Is the fan clutch
operating correctly.
--
77 Royale, Rear Dry Bath. 403, 3.55 Final Drive, Lenzi goodies, Patterson carb and dizzy.
Mid Michigan
I put in a 190 from Jim K and have been happy with it.
How are you measuring the temp and from where. Mechanical gauge I assume. or IR. Is the rest of your cooling system up to snuff. Is the fan clutch
operating correctly.
--
77 Royale, Rear Dry Bath. 403, 3.55 Final Drive, Lenzi goodies, Patterson carb and dizzy.
Mid Michigan
> My temperature gauge is fluctuating from well over 200 down to 165 so I'm pretty sure the thermostat is bad should I put in a 180 or 195
Allan,
With no clue what the coach is or where you are, this is really tough to answer.
But,
What you are seeing could be an artifact of low coolant or a sticking thermostat.
As this is not good for the engine, I suggest that you pull that existing thermostat and do a "Pot on the Stove" test. If any doubt remains, replace
it. Either 180° or 195° will do, it mostly depends are where you will be driving.
Matt
--
Matt & Mary Colie - '73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan
OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Twixt A2 and Detroit
Allan,
With no clue what the coach is or where you are, this is really tough to answer.
But,
What you are seeing could be an artifact of low coolant or a sticking thermostat.
As this is not good for the engine, I suggest that you pull that existing thermostat and do a "Pot on the Stove" test. If any doubt remains, replace
it. Either 180° or 195° will do, it mostly depends are where you will be driving.
Matt
--
Matt & Mary Colie - '73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan
OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Twixt A2 and Detroit
Could be low coolant level. Can be cause by bad cap, dirty cap, loose or cracked hose to reservoir, or low reservoir, or a bad stat. They seem to be
made of thinner materials these days. I have had good luck with the Stant Superstats with being very accurate in other GM vehicles and they help
eliminate the overshoot/ overcompensate feedback cycling. The recommended stats vary in the listings as quality varies. I would go with 190-195. The
stat has NOTHING to do with how hot the engine gets. It only conttols how cold it gets.
--
John Lebetski
Woodstock, IL
77 Eleganza II
made of thinner materials these days. I have had good luck with the Stant Superstats with being very accurate in other GM vehicles and they help
eliminate the overshoot/ overcompensate feedback cycling. The recommended stats vary in the listings as quality varies. I would go with 190-195. The
stat has NOTHING to do with how hot the engine gets. It only conttols how cold it gets.
--
John Lebetski
Woodstock, IL
77 Eleganza II
