engine overheating while towing camper trailer

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Aug 27, 2001 | 12:31 PM

cakewalker

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Joined: Aug 2001

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engine overheating while towing camper trailer

I own a 1977 ford f150 with a 351m/c6 powertrain and have overheating problems while I'm towing my 3500 lbs camper trailer.
I've had the rad flushed and new thermostat put in, and it has a tranny cooler. Without the trailer it runs very cool according to the tempurature guage. What else can I do to fix this problem?

Aug 27, 2001 | 02:17 PM

jowilker

Fleet Owner

Joined: Jun 1999

Posts: 24,552

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From: Creedmoor, North Carolina

engine overheating while towing camper trailer

Carl, Does it have a fan shroud? You might want to back your timing down a degree or two.

For some reason unknown to me, I have noticed overheating post reffer to 351M engines mostly.

John

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Aug 27, 2001 | 04:57 PM

kenmt

Mountain Pass

Joined: Jul 2001

Posts: 170

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From: Miles City

engine overheating while towing camper trailer

My 1977 F150 Explorer 4wd with a 351"miserable" has a new water pump,thermostat,and a new massive 460w/AC heavy-duty radiator with correct shroud.Ive tried clutch fans,18" 6 bladers,etc.-it still runs warm-I'm gonna cure the problem when I 460 the old girl.351Ms suck.