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Old 09-14-2018, 04:36 PM   #30
Stocker
20' Daredevil (Ret)
 
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Join Date: May 2003
Location: Jefferson State
Posts: 13,538
Re: 350 Heating Up at Stops

Quote:
Originally Posted by cebra View Post
The clutch fan is pretty far into the shroud where the flex was not but neither fixed the issue.
It's possible that one problem was exchanged for another, and the results ended up about the same. What I mean is:

You started out with a crappy (my opinion) flex fan. It sat in or near the end of the shroud where it should, but its poor design allowed overheating.

Your new clutch fan can't properly do its job if the fan sits too far into the shroud. Instead of pulling air through the radiator, air is simply passing around the fan, between the fan and the shroud.

If you used a spacer (such as the one your flex fan had) with the clutch fan, that might be the problem. The fan clutches I have seen do not use a spacer. Remove the spacer and the fan will be better positioned in the shroud. Probably already posted but the fan should sit at the end of the shroud, roughly halfway in & halfway out.

Any chance you can post a pic or two showing the placement of the fan?
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1972 K20 LWB 350/350/205

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