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Old 06-05-2007, 09:59 AM
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How far should my fan be from the Rad?

Having some cooling issues with my car....factory shroud and 4core rad...I am wonderiung if the fan is too far from the rad?

How far should the front face of the fan be from the back of the Radiator. Mine measures about 4" and there is a 1 1/2" space between the water pump and the fan.

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Old 06-05-2007, 10:08 AM
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Ever taken a good look at the fan and shroud on a 1st Gen Monte Carlo? The fan is a mile from the radiator. I'd position it so the center of the blades are even with the back edge of the shroud or as close to that as possible, that's always worked for me.
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Old 06-05-2007, 10:56 AM
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Quote:
Originally Posted by Hippie
Ever taken a good look at the fan and shroud on a 1st Gen Monte Carlo? The fan is a mile from the radiator. I'd position it so the center of the blades are even with the back edge of the shroud or as close to that as possible, that's always worked for me.
Yep, fan half in and half out of the back edge of the shroud. Also make sure your fan clutch is working properly. It should free wheel when the engine is cool and should spin up hard when the radiator gets hot.

Most fan clutches today suck, even when new. It took me 4 tries to get one that actually did what it was supposed to. I ended up with a used one off a mid '80's truck! Works just like it's supposed to.
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Old 06-05-2007, 01:20 PM
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OK. Guess I will take out the spacer then....
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Old 06-17-2011, 12:49 AM
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We have always done the half in half out method with our fan schrouds too. We race 80s models monte carlo that are gutted out to nothin but frame and body. We sometimes build our own fan schrouds so it is key at where you place the back edge of the schroud in alliance with the fan blades because these cars are turning some rpms. We race on dirt oval tracks in southeast texas, and overheating is easy to do.
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Old 06-17-2011, 01:15 AM
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The factory Chevelle shrouds aren't much of a Shroud. Just a thin Metal ring with open side areas.
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Old 06-17-2011, 11:01 AM
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Quote:
Originally Posted by wickster
Having some cooling issues with my car....factory shroud and 4core rad...I am wonderiung if the fan is too far from the rad?

How far should the front face of the fan be from the back of the Radiator. Mine measures about 4" and there is a 1 1/2" space between the water pump and the fan.
A cooling problem that is where in the duty cycle? That at idle, on the road, or everywhere?

At idle would indicate insufficient air flow. On the road or everywhere is usually a either a flow or a capacity problem, or a component failure, or a plumibing routing issue.

Bogie
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Old 06-18-2011, 12:07 AM
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This thread is 4 years old.
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Old 06-18-2011, 06:09 AM
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I wonder if he got it to work.

More updates/end results would be nice around here.
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Old 06-18-2011, 11:13 AM
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This thread is 4 years old.
Opening an old thread isn't a bad thing IF you have something constructive to add. But opening and posting something that's already been posted just to make noise makes no sense.
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