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Old 06-17-2021, 01:52 AM   #8
jumpsoffrock
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Join Date: Apr 2014
Location: California
Posts: 926
Re: BBC temp creeps at idle; how did factory do it?

Quote:
Originally Posted by Stocker View Post
At any rate, since you have a 7-blade, if it fits your shroud, maybe it's worth trying that before considering a severe-duty fan clutch.
I have run these idle tests with both fans at this point. I'll look into the severe duty clutch


Quote:
Originally Posted by jimijam00 View Post
210 isn't that big of a deal.

I don't know anyone that sits at idle for 10 minutes other than taxi drivers at the airport. Every water service truck, Utility service truck, delivery guys routing their next move, internet service guys--all these people sit in their trucks for ages. Can't imagine this is a new thing

Is your shroud sealed to the radiator?
Very well, made sure of that when first fitting everything to the new rad
How far is the clutch from the rad?
I haven't measured but it can't be much different than factory
Have you run the fan w/o the clutch?
The original setup was its original 3 core rad with a 5 blade fan and no clutch. It did everything I've stated in this thread, only worse. It would take much longer to cool back down and would heat up at idle much faster.
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