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  #41  
Old 08-31-2024, 04:26 PM
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Quote:
Originally Posted by 64speed View Post
If I buy a condenser fan do I want it to push or pull?
Only a pusher will fit if you’re concentrating on the condenser - though that will have to be two fans to get full coverage. If you want to explore, see if you can adapt an idle solenoid that engages when AC is on. That be said, I think at this point, without testing upper limit of your temperature, you’re looking for a solution to a problem that doesn’t exist.

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  #42  
Old 08-31-2024, 06:56 PM
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Upper limit so far is 210. Gonna put a box fan in front of the radiator tomorrow and see what happens

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  #43  
Old 08-31-2024, 11:42 PM
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So that's getting a bit warm there but not overheating. What's your timing situation, base and VA setup?

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  #44  
Old 09-03-2024, 01:59 PM
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Before I completely abandon this pursuit does anyone know if a 7 blade fan is that much better than a 6 blade? I have the Derale 17118 fan with a Hayden severe duty clutch. I was told the 73-87 GM 454 fan will fit in that shroud and it’s 7 blade. Anyone recommend a better fan than that?

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  #45  
Old 09-03-2024, 05:16 PM
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I got the 17019 for my T/A and it cured all of my american idle air flow woes for good...

https://www.summitracing.com/parts/DER-17019

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  #46  
Old 09-04-2024, 07:05 PM
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I drove it today and at 78 degrees outside with air blasting there was very little temp creep. I contacted Derale and I have the only 18 inch clutch fan they make. I just need a tiny bit more CFM to stop this. Does anyone have a recommendation for the absolute most aggressive 18 fan I can buy?

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  #47  
Old 09-05-2024, 11:15 PM
70GS455 70GS455 is offline
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Find a 7 blade fan, will move more air due to more area to grab air.

You didn't mention which thermostat, I'm assuming it's 180 deg F. In regards to the 215 deg F operating temp, if my home thermostat was set to 70 and the AC couldn't regulate temps any better than 35 deg above the thermostat set point, I'm thinking I may have an issue.

Did you adjust the cut-in temperature of the fan clutch? Does it roar when you blip the throttle once temps have gotten up there?

  #48  
Old 09-06-2024, 07:14 AM
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Keep this in mind with a 7 blade fan.

Even when it’s freewheeling at high road speeds it WILL block off air flow from passing thru the radiator than a 6 blade fan.

You may need to find a balance point where at high road speed a big throttle openings ( IE high Hp production) you might find the temp creeping up on you.

You might find that a temp of 215 at 4500 rpm is more un-nerving then 215 degrees seen at 800 rpm.

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