whats a good temp?
Member
Joined: Jun 2006
Posts: 130
Likes: 0
Car: 91 RS
Engine: L03 carbed
Transmission: 700R4, rebuilt+kit
Axle/Gears: 3.42, posi, disc
Mine runs 180-195. 210 max in heat, traffic, and AC on. But that's because my fan is not stock, and it turns on shortly after my 180 thermostat opens up. I'm sure Iroc_man's cooling system is also modified though. Don't freak out if your engine is running a bit hotter.
From the factory, these cars are actually set up to run shockingly hot. Some of them have fans that don't even come on until 230 or more. I think it was a decision GM made based on emissions and economy, but if the TPI cars can run around 220 average off the showrrom floor and for most of their lives, then I guess that's a safe temp.
Personally, I like my SBC engines to stay around 180-200 even if 220 is perfectly safe. Because if anything goes wrong I've just got 20 more degrees to heat up before it's time to worry. And it's easier to keep an engine at a lower temp than to get it back down from 230+
But, short answer, 220 is perfectly safe.
From the factory, these cars are actually set up to run shockingly hot. Some of them have fans that don't even come on until 230 or more. I think it was a decision GM made based on emissions and economy, but if the TPI cars can run around 220 average off the showrrom floor and for most of their lives, then I guess that's a safe temp.
Personally, I like my SBC engines to stay around 180-200 even if 220 is perfectly safe. Because if anything goes wrong I've just got 20 more degrees to heat up before it's time to worry. And it's easier to keep an engine at a lower temp than to get it back down from 230+
But, short answer, 220 is perfectly safe.
Member
Joined: Dec 2005
Posts: 259
Likes: 1
From: Groves, TX
Car: 2001 SS
Engine: bolt on LS1
Transmission: 4L60E
Axle/Gears: 3.23
on the highway i will get to about 170-175 and stay there. But idleing in traffic and stop-n-go city streets I can get up to 245
all stock cooling
all stock cooling
Junior Member
Joined: Sep 2006
Posts: 8
Likes: 0
From: Texas
Car: 86 z28
Engine: 5.0
Transmission: Auto
I have a 160 thermo in mine and it belches at exactly 160.. and a 12 inch fan I found in a junk yard north of houston. I stay under 160.. unless I m on blacktop in bad traffic on a really hot texas day.. then I may as well pull to the side and push it with the hood open (to hurry the cooling)
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Member
Joined: Dec 2005
Posts: 259
Likes: 1
From: Groves, TX
Car: 2001 SS
Engine: bolt on LS1
Transmission: 4L60E
Axle/Gears: 3.23
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the southeast texas heat is torture on these cars 
