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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Overheating

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Old Nov 10, 2010 | 03:01 PM
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Overheating

I got an 85 ford F-150 4x4.. Ive got an overheating problem. I start my truck,and it runs like a champ. I take it up to about 2,200 RPMS before I shift. Well it get hot REAL FAST. And when it gets like that I try to take it up to about the same rpms to shift my rpms are all over the place.. They jump up and down like crazy. I can't figure it out!
 
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Old Nov 10, 2010 | 04:18 PM
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Did you just buy this truck? Has any work been done or a engine swap? By the way, what engine size do you have?
 
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Old Nov 10, 2010 | 06:12 PM
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I bought it about about 3 weeks ago.I changed the spark plugs,and spark plug wires,air filter,fuel filter,and an oil change. The engines a 300 strait six 4.9!!
 
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Old Nov 10, 2010 | 08:12 PM
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Are you sure this thing is overheating and the RPMs are, in fact, changing, or is it merely
your gauges showing you this? The gauges can be inaccurate for a variety of reasons.
 
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