Running w/ no Thermostat
Race Director
Joined: Mar 2001
Posts: 11,322
Likes: 1
From: Living in the Hartland
Re: Running w/ no Thermostat (JohnG76)
Although this topic has been beat to death (do a search in the archives) I do have one question worth throwing in:
There has been conflicting statements as far as speed of coolant through the system with some tech people saying that the faster the better in the eng but wouldn't the same principal work in reverse in the rad? Seems only one side of the equation was considered. Seems there would be an optimal coolant speed to both allow the eng to cool and the rad to cool the fluid, anyone have any ideas on that? :confused:
There has been conflicting statements as far as speed of coolant through the system with some tech people saying that the faster the better in the eng but wouldn't the same principal work in reverse in the rad? Seems only one side of the equation was considered. Seems there would be an optimal coolant speed to both allow the eng to cool and the rad to cool the fluid, anyone have any ideas on that? :confused:
Burning Brakes
Joined: Jul 2001
Posts: 1,160
Likes: 0
From: Ajax Ontario
Re: Running w/ no Thermostat (pws69)
Search the archives. There are many threads on this and many very conflicting opinions. Me? I wouldn't run without one and recommend the "fail open" design. Some recommend drilling a couple of holes in it, some don't. Some rec. 160 deg, others 180 deg.
Depends where you live, meaning what climates you run the car in.
Engines perform optimally within certain temp. ranges and with no thermostat, you may run too cool, especially seeing you live in the north.
Depends where you live, meaning what climates you run the car in.
Engines perform optimally within certain temp. ranges and with no thermostat, you may run too cool, especially seeing you live in the north.
Team Owner
Joined: Jul 2001
Posts: 182,997
Likes: 88
From: Lakeland, FL
Cruise-In IV-V-VI-VII-VIII Veteran
St. Jude Donor '03, '06, '17
Re: Running w/ no Thermostat (JohnG76)
Well - the engine will take more time to warm up.. A cold engine wears faster.. It's not a good idea to run with no thermostat... especially during colder outside temps...
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