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| | | | Joined: Jul 2005 Posts: 153 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2005 Posts: 153 | Replacing my radiator and figured I'd change the thermostat while I am at it. What should I be running? Currently I have a 195 degree in it. It being a 290hp 350 crate.
Thanks
Mac | | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | 195 is fine but I always use a 180.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | | | | Joined: Jan 2002 Posts: 244 Shop Shark | | Shop Shark Joined: Jan 2002 Posts: 244 | Yep, 180 deg is what I usually use. Just keep an eye on the temp gauge to ensure it isn't running too hot or too cool. | | | | | Joined: Dec 2006 Posts: 8 New Guy | | New Guy Joined: Dec 2006 Posts: 8 | I will run a 180 in the summer but switch to a 200 in winter so the heater works better. I like warm feet!
On edit; what kind of a rig are you running, and what are you using it for? My advise is for the 66 that I have. Now if your in a rig that has marginal cooling or poor air flow then my advise may be different. I once had cooling problems in a V-8 Corvair and found that going to a 210 degree thermostat cured most of the problems. The GM engineer that helped me with the problem explained that with the higher heat that the BTU's would transfer to the cooling air more redilly than with a lesser difference in temp between the cooling air and radiator. So sometimes a cooling problem can be cured with a hotter thermostat. The engine doesn't much care as long as the cooling fluid stays fluid and will carry the excess heat from the engine. Please read that last line again before flaming.
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