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Old 07-06-2018, 09:21 PM   #6922
Steeveedee
Who Changed This?
 
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Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,155
Re: What did you do to your truck today? Chapter II

Replaced the fan clutch a couple of weeks ago. Took it and ran it at 65 MPH up a long steep freeway grade that we have here. Got to 220º going up, and dropped to 205º on the way down. Cruising in town coming back home, it held right about 205º. I'll drain the radiator down far enough to check the tubes for crud. I have a 7-mile jaunt scheduled for a camp out close to home, to check it out further, and I won't be driving that fast- with the trailer it'll not be over 55- and some of the road is posted for 45 MPH. It ought to be running a little hot, when the air temperature is still over 110º. All this is with a 190º thermostat.

I'm up in the air whether to rod this one (if that is all it needs), as it is a 4-row brass job, replace it with the same, or get an aluminum radiator. Any one know off hand if the aluminum radiators are a direct fit? I've seen some pics of modifications being required to the radiator hose connections.
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'70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper

Simi Valley, CA
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