Quote:
Originally Posted by axis earl
So then why would the F53 chassis with say a 26' Winnebago Vista sitting on it be any different?
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It’s a completely different arrangement of bodywork around engine. In an E-Series van the engine is boxed in very tightly on all sides by comparison to the more open F53.
If you think about it, in most F53 motorhomes the driver/passenger sit much higher above the engine, which allows air to move over engine much easier. In a van, the V10 sits much lower, essentially under the dash area, and the doghouse extends much further down on three sides of the engine.
The Axis/Vegas is a little more open which should allow better cooling, but E-Series stripped chassis are a small percentage of total so Ford has to design for worst case.
Just to be clear, I’m not talking about radiator cooling, but very hot air all around engine which can affect wires, hoses, electrical components, etc.
P.S. — I don’t see motorhome size as critical as engine maximum power and heat rejection. Just because motorhome is smaller than an F53 rig doesn’t mean a driver towing a trailer up a mountain won’t use all available engine power for an extended period of time.
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