cooling 350 - Team Camaro Tech
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post #1 of 8 (permalink) Old May 2nd, 10, 04:21 PM Thread Starter
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corey
 
Join Date: Dec 2009
Location: lethbridge alberta
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cooling 350

hey I was just wondering I have a 1982 cutlass with a chevy 350 comp cam 270 performer intake holly 670 carb , I have a 4 core aluminum rad with the stock clutch fan and a secendary electric puller fan, I have a 180 thermastate , but on Idle the car runs about 195-200 and dosnt really come down is this ok ?
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post #2 of 8 (permalink) Old May 2nd, 10, 06:22 PM Thread Starter
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corey
 
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Re: cooling 350

anyone have any info?
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post #3 of 8 (permalink) Old May 2nd, 10, 06:27 PM
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Ted
 
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Location: Cedar Rapids, IA
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Re: cooling 350

That temp is fine. But your secondary fan should be a pusher. Your stock clutch fan is the puller. If you have a secondary fan in front of the radiator it should be pushing air through. Otherwise the two fans are working against each other. Was it running hot before adding the secondary fan?
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post #4 of 8 (permalink) Old May 2nd, 10, 09:32 PM Thread Starter
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corey
 
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Re: cooling 350

ya I just put it on to be a pusher tonight and it is still running around the same temp it was just worrying me
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post #5 of 8 (permalink) Old May 3rd, 10, 07:59 AM
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Ted
 
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Re: cooling 350

Do a search in this section of the forums on cooling temperatures. You're right in the ballpark. Those temps are needed to burn off the contaminates. What was your temps before adding the pusher? Are you using a fan shroud?
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post #6 of 8 (permalink) Old May 3rd, 10, 11:50 AM Thread Starter
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corey
 
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Re: cooling 350

the temps were about the same and my bottom shroud is off is that ok or no?
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post #7 of 8 (permalink) Old May 3rd, 10, 12:39 PM
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Steps
 
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Location: New Zealand
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Re: cooling 350

Quote:
my bottom shroud is off is that ok or no?
NO.
Without the shroud the fan efficiency drops dramatically...the air spills of the ends of the blades
look at an electric fan or even a computer case fan....they can move a lot of air for the size of the fan...because they have shrouds.

Very often causes of runing warm are not just 1 issue
Quote:
1982 cutlass
OK has that radiator been flushed and cleaned regularly from new ...I duobt it
How many bottom hoses has it gone thru, a couple...thats a lot of corroed and broken reenforcing springs blocking lower cores.

My Spelling is not incorrect...it is creative

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post #8 of 8 (permalink) Old May 3rd, 10, 11:26 PM Thread Starter
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corey
 
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Location: lethbridge alberta
Posts: 166
Re: cooling 350

the rad is new its a aluminim rad with new hoses and ok I will put the bottom shroud on
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