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Caterpillar 3208 Solutions This sub-forum is hosted by Mike Hohnstein who has been at this kind of thing for 50+ years now, guess I'm addicted. The saga has been all about progressively larger shop space since then. Honestly, never wanted to get into the CAT 3208's that were originally considered to be a throwaway engine but that's all that works in a FC in my world. Same thing with my Ford toter, that came with a NA, too much effort to hang in a 6, so been at it with the CAT V-8 for 20 years now. In reality you can get excellent life out of a CAT 3208 if it's built correctly. Post your questions about the CAT 3208 engines here and Mike will try to help you out.

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Old 2 Weeks Ago
Bob Horner Bob Horner is offline
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Default Over heating

Over heating on long on long mountain climes, 3208 na. Is that the nature of the beast? Turned on the heaters geared down, still over heated. Do you think rad needs rodded out?
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Bob Horner
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1981 FC 35
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Mike Hohnstein Mike Hohnstein is offline
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What kind of fan arrangement?
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FMCA 97824
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clyndes clyndes is offline
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Hey Bob,

Mike is the real expert with these engines, so get him the information he is asking for.

On my '83 I have what I believe is a Horton fan clutch. During normal operation the big fan behind the radiator is free wheeling. When the engine temperature gets around 185-190 the fan engages, the noise is quite noticeable, and I can sense the power going to the fan if I am climbing a hill.

Are you hearing the fan kick on? At what temperature?

I also have a switch that a previous owner installed where I can engage the fan manually.

Do you have a fan switch?

You say you are overheating - what temperature are you seeing? I've heard that it is really bad to overheat a CAT 3208.

Hopefully you and Mike will get together on this. I just wanted to get what little I know out to you.
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'83 FC 35' SB "Bella"
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Old 2 Weeks Ago
Bob Horner Bob Horner is offline
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Default over heating

Quote:
Originally Posted by Mike Hohnstein View Post
What kind of fan arrangement?
Mike I just got to internet again. I have one electric van that turns on with thermastat, not very big and off to one side. then there is a second fan, switch under steering column, says turn on when idling. I run both when climbing. try to keep geared down when it statrs blowing black smoke, I wonder if I should add more air? We will be Calif. for a week, so I can make some changes before we head out. Thanks. Bob
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Randy Dupree Randy Dupree is offline
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so,no engine driven fan at all?
All electric?
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Bob Horner Bob Horner is offline
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That is correct, I think when they did the pusher style front, they did some strange things. What should original set up look like?
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kybird kybird is offline
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Our 3308 na 35footer has the Horton fan. And on long slow mountain grades we run 160 with the fan on. Of crease we are going 12 mph. But that big fan keeps her cool. And the next owner should be happy with that
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Louisville,Ky
1980 BlueBird FC35RB
1986 PT40
1984 Ford GT Turbo Mustang
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Randy Dupree Randy Dupree is offline
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heres a pic of what you need.


http://www.pbase.com/iamflagman/image/42350336
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Mike Hohnstein Mike Hohnstein is offline
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Don't feel bad OP. I learned myself the hard way, electric fans don't get it done on a diesel.
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Bob Horner Bob Horner is offline
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Any suggestions on locating parts near Winchester Calif. I run 185-190 all the time, get close tro trhe danger zone while climing, we still have a loy of climing in the next few weeks, bus is parked for a week, so if I can locate parts I can work on it.
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