Engine Temp
Thread Starter
Registered User
Joined: Apr 2007
Posts: 5
Likes: 0
Engine Temp What is the normal operating Temperature for a 2001 LS1, seems like with the aluminum block it would obviously run hotter than the cast iron LT1. Mine usually runs strait up, or just a bit over. It never over heats but compared to my 98 GM vortec it runs a lot hotter. Whats the word?
(1) Nothing obvious about aluminum vs iron. Aluminum
has better thermal conduction but it's also about
the head design, the water jacket and so on.
(2) Thermostat is a 194F setpoint, nominal 180 or so.
So do not pay for a "180F" aftermarket 'stat.
(3) Fan settings control engine temp, whenever there is
not enough cooling airflow (idle, street driving) and
the fan settings are stupid high: 226 for low and 234F
for high speed fan turnon. Hello, ping and coolant
smell.
(4) The temp gauge is a hoax meant to keep you amused,
not to provide realistic information (except the '98s).
If you can run your fans earlier you can maintain a 194F
operating temp consistently and the car will like that a lot
better than 220+. The temp gauge will still lie.
has better thermal conduction but it's also about
the head design, the water jacket and so on.
(2) Thermostat is a 194F setpoint, nominal 180 or so.
So do not pay for a "180F" aftermarket 'stat.
(3) Fan settings control engine temp, whenever there is
not enough cooling airflow (idle, street driving) and
the fan settings are stupid high: 226 for low and 234F
for high speed fan turnon. Hello, ping and coolant
smell.
(4) The temp gauge is a hoax meant to keep you amused,
not to provide realistic information (except the '98s).
If you can run your fans earlier you can maintain a 194F
operating temp consistently and the car will like that a lot
better than 220+. The temp gauge will still lie.
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Thread Starter
Registered User
Joined: Apr 2007
Posts: 5
Likes: 0
Thanks all, the 98 vortec i was refering to is in my Tahoe. My LS1 runs great, like i said it just seemed to run hotter than other cars that i've had, didn't figure anything was wrong just wanted to make sure it wasn't an anomalie.
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