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Old 05-14-2004, 04:29 PM
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running temp

hey guys, question for ya,

72 chevelle 350 hi perf.

my running temp is at about 220, just put a new 160 thermostat in. is this too high, and what should i look for??

thanks again
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Old 05-14-2004, 04:49 PM
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Need more info., when does it get up to 220*? (idle, traffic, highway, etc..). I think 220* is too hot (especially for a N/A 350). What kind of fan are you using? I would also suggest a 180* thermostat.

If it heats up only at idle you need to move more air (make sure you have a shroud, etc..) or your timing could be retarded. If it heats up while on the highway you either have something blocking air flow (like a flex fan), or you need more cooling capacity (larger radiator) doubtful.

Provide more infoand I am sure it can be figured out.

What are you using for coolant?

Royce
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Old 05-14-2004, 04:52 PM
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As posted in the other thread with the same question,
check your gage and sender unit first, they could be wrong.

Troy

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Old 05-14-2004, 06:37 PM
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Are you getting your temp reading from a good guage
And where are you taking your reading from?

I aggree with the 180 stat as well...loose that 160
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Old 05-14-2004, 07:30 PM
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There is a lot of different sending units that will fit, But there is just one that will work right. It's got to match the gage and the engine. And they can go bad. I've had lots of early camaros and chevelles come into the shop with running hot problems, most were fixed with the proper sending units installed new.

Good Luck

Troy

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Old 05-14-2004, 08:04 PM
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Keep in mind that you want your oil temp up around 220-240*, at least for short periods to burn off impurities....
The electric fan in my 94 Z28 (PCM controlled) doesn't even turn on until 220*.

If 220* is the max it gets to, then i think you'll be fine...
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